diff --git a/Android.bp b/Android.bp
index 501b438..7e57a3f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -10,27 +10,18 @@
     out: ["com/android/server/telecom/TelecomStatsLog.java"],
 }
 
-filegroup {
-    name: "Telecom-srcs",
+android_library {
+    name: "TelecomLib",
+    manifest: "AndroidManifestLib.xml",
     srcs: [
         "src/**/*.java",
         ":statslog-telecom-java-gen",
-    ],
-}
-
-// Build the Telecom service.
-android_app {
-    name: "Telecom",
-    srcs: [
-        ":Telecom-srcs",
         "proto/**/*.proto",
     ],
     static_libs: [
         "androidx.annotation_annotation",
         "androidx.core_core",
-    ],
-    libs: [
-        "services",
+        "telecom_flags_core_java_lib",
     ],
     resource_dirs: ["res"],
     proto: {
@@ -39,6 +30,22 @@
         output_params: ["optional_field_style=accessors"],
     },
     platform_apis: true,
+}
+
+
+// Build the Telecom service.
+android_app {
+    name: "Telecom",
+    srcs: [
+    ],
+    static_libs: [
+        "TelecomLib",
+    ],
+    libs: [
+        "services",
+    ],
+    resource_dirs: [],
+    platform_apis: true,
     certificate: "platform",
     privileged: true,
     optimize: {
@@ -49,31 +56,24 @@
 android_test {
     name: "TelecomUnitTests",
     static_libs: [
+        "TelecomLib",
         "android-ex-camera2",
+        "flag-junit",
         "guava",
         "mockito-target-extended",
         "androidx.test.rules",
         "platform-test-annotations",
         "androidx.legacy_legacy-support-core-ui",
         "androidx.legacy_legacy-support-core-utils",
-        "androidx.core_core",
         "androidx.fragment_fragment",
         "androidx.test.ext.junit",
         "platform-compat-test-rules",
     ],
     srcs: [
         "tests/src/**/*.java",
-        ":Telecom-srcs",
-        "proto/**/*.proto",
     ],
-    proto: {
-        type: "nano",
-        local_include_dirs: ["proto/"],
-        output_params: ["optional_field_style=accessors"],
-    },
     resource_dirs: [
         "tests/res",
-        "res",
     ],
     libs: [
         "android.test.mock",
@@ -86,11 +86,6 @@
         "libstaticjvmtiagent",
     ],
 
-    aaptflags: [
-        "--auto-add-overlay",
-        "--extra-packages",
-        "com.android.server.telecom",
-    ],
     manifest: "tests/AndroidManifest.xml",
     optimize: {
         enabled: false,
@@ -98,8 +93,8 @@
     platform_apis: true,
     certificate: "platform",
     jacoco: {
-        include_filter: ["com.android.server.telecom.*"],
-        exclude_filter: ["com.android.server.telecom.tests.*"],
+        include_filter: ["com.android.server.telecom.**"],
+        exclude_filter: ["com.android.server.telecom.tests.**"],
     },
     test_suites: ["device-tests"],
     defaults: ["SettingsLibDefaults"],
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index ab067d9..c6f5e9c 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -28,7 +28,6 @@
     <!-- Prevents the activity manager from delaying any activity-start
          requests by this package, including requests immediately after
          the user presses "home". -->
-    <uses-permission android:name="android.permission.BIND_CONNECTION_SERVICE"/>
     <uses-permission android:name="android.permission.BIND_INCALL_SERVICE"/>
     <uses-permission android:name="android.permission.BLUETOOTH"/>
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
@@ -319,18 +318,6 @@
              android:exported="false"
              android:process=":ui"/>
 
-        <service android:name=".components.BluetoothPhoneService"
-             android:singleUser="true"
-             android:process="system"
-             android:exported="true">
-            <intent-filter>
-                <action android:name="android.bluetooth.IBluetoothHeadsetPhone"/>
-            </intent-filter>
-            <intent-filter>
-                <action android:name="android.bluetooth.IBluetoothLeCallControlCallback" />
-            </intent-filter>
-        </service>
-
         <service android:name=".components.TelecomService"
              android:singleUser="true"
              android:process="system"
diff --git a/AndroidManifestLib.xml b/AndroidManifestLib.xml
new file mode 100644
index 0000000..9b40f6b
--- /dev/null
+++ b/AndroidManifestLib.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2024 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<manifest package="com.android.server.telecom">
+</manifest>
diff --git a/OWNERS b/OWNERS
index 97cc81f..7e68aea 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,7 +1,6 @@
 breadley@google.com
 tgunn@google.com
 xiaotonj@google.com
-chinmayd@google.com
 tjstuart@google.com
 rgreenwalt@google.com
 pmadapurmath@google.com
diff --git a/flags/Android.bp b/flags/Android.bp
new file mode 100644
index 0000000..386831c
--- /dev/null
+++ b/flags/Android.bp
@@ -0,0 +1,43 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+aconfig_declarations {
+    name: "telecom_flags",
+    package: "com.android.server.telecom.flags",
+    srcs: [
+      "telecom_broadcast_flags.aconfig",
+      "telecom_ringer_flag_declarations.aconfig",
+      "telecom_api_flags.aconfig",
+      "telecom_call_filtering_flags.aconfig",
+      "telecom_incallservice_flags.aconfig",
+      "telecom_default_phone_account_flags.aconfig",
+      "telecom_callaudioroutestatemachine_flags.aconfig",
+      "telecom_call_flags.aconfig",
+      "telecom_calls_manager_flags.aconfig",
+      "telecom_anomaly_report_flags.aconfig",
+      "telecom_callaudiomodestatemachine_flags.aconfig",
+      "telecom_calllog_flags.aconfig",
+      "telecom_resolve_hidden_dependencies.aconfig",
+      "telecom_bluetoothroutemanager_flags.aconfig",
+      "telecom_work_profile_flags.aconfig",
+      "telecom_connection_service_wrapper_flags.aconfig",
+    ],
+}
+
diff --git a/flags/telecom_anomaly_report_flags.aconfig b/flags/telecom_anomaly_report_flags.aconfig
new file mode 100644
index 0000000..dbacc08
--- /dev/null
+++ b/flags/telecom_anomaly_report_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "gen_anom_report_on_focus_timeout"
+  namespace: "telecom"
+  description: "When getCurrentFocusCall times out, generate an anom. report"
+  bug: "309541253"
+}
diff --git a/flags/telecom_api_flags.aconfig b/flags/telecom_api_flags.aconfig
new file mode 100644
index 0000000..36f20d8
--- /dev/null
+++ b/flags/telecom_api_flags.aconfig
@@ -0,0 +1,37 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "voip_app_actions_support"
+  namespace: "telecom"
+  description: "When set, Telecom support for additional VOIP application actions is active."
+  bug: "296934278"
+}
+
+flag {
+  name: "call_details_id_changes"
+  namespace: "telecom"
+  description: "When set, call details/extras id updates to Telecom APIs for Android V are active."
+  bug: "301713560"
+}
+
+flag {
+  name: "unbind_timeout_connections"
+  namespace: "telecom"
+  description: "When set, Telecom will auto-unbind if a ConnectionService returns no connections after some time."
+  bug: "293458004"
+}
+
+flag{
+  name: "add_call_uri_for_missed_calls"
+  namespace: "telecom"
+  description: "The key is used for dialer apps to mark missed calls as read when it gets the notification on reboot."
+  bug: "292597423"
+}
+
+
+flag{
+  name: "set_mute_state"
+  namespace: "telecom"
+  description: "transactional calls need the ability to mute the call audio input"
+  bug: "310669304"
+}
diff --git a/flags/telecom_bluetoothroutemanager_flags.aconfig b/flags/telecom_bluetoothroutemanager_flags.aconfig
new file mode 100644
index 0000000..ddd8571
--- /dev/null
+++ b/flags/telecom_bluetoothroutemanager_flags.aconfig
@@ -0,0 +1,9 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "use_actual_address_to_enter_connecting_state"
+  namespace: "telecom"
+  description: "Fix bugs that may add bluetooth device with null address."
+  bug: "306113816"
+}
+
diff --git a/flags/telecom_broadcast_flags.aconfig b/flags/telecom_broadcast_flags.aconfig
new file mode 100644
index 0000000..348d574
--- /dev/null
+++ b/flags/telecom_broadcast_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "is_new_outgoing_call_broadcast_unblocking"
+  namespace: "telecom"
+  description: "When set, the ACTION_NEW_OUTGOING_CALL broadcast is unblocking."
+  bug: "224550864"
+}
\ No newline at end of file
diff --git a/flags/telecom_call_filtering_flags.aconfig b/flags/telecom_call_filtering_flags.aconfig
new file mode 100644
index 0000000..95e74ce
--- /dev/null
+++ b/flags/telecom_call_filtering_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "skip_filter_phone_account_perform_dnd_filter"
+  namespace: "telecom"
+  description: "Gates whether to still perform Dnd filter when phone account has skip_filter call extra."
+  bug: "222333869"
+}
\ No newline at end of file
diff --git a/flags/telecom_call_flags.aconfig b/flags/telecom_call_flags.aconfig
new file mode 100644
index 0000000..b5ea6a2
--- /dev/null
+++ b/flags/telecom_call_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "transactional_cs_verifier"
+  namespace: "telecom"
+  description: "verify connection service callbacks via a transaction"
+  bug: "309541257"
+}
\ No newline at end of file
diff --git a/flags/telecom_callaudiomodestatemachine_flags.aconfig b/flags/telecom_callaudiomodestatemachine_flags.aconfig
new file mode 100644
index 0000000..b263113
--- /dev/null
+++ b/flags/telecom_callaudiomodestatemachine_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "set_audio_mode_before_abandon_focus"
+  namespace: "telecom"
+  description: "Set audio mode to MODE_NORMAL before abandon the audio focus."
+  bug: "281841785"
+}
diff --git a/flags/telecom_callaudioroutestatemachine_flags.aconfig b/flags/telecom_callaudioroutestatemachine_flags.aconfig
new file mode 100644
index 0000000..fe21c92
--- /dev/null
+++ b/flags/telecom_callaudioroutestatemachine_flags.aconfig
@@ -0,0 +1,71 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "available_routes_never_updated_after_set_system_audio_state"
+  namespace: "telecom"
+  description: "Fix supported routes wrongly include bluetooth issue."
+  bug: "292599751"
+}
+
+flag {
+  name: "use_refactored_audio_route_switching"
+  namespace: "telecom"
+  description: "Refactored audio routing"
+  bug: "306395598"
+}
+
+flag {
+  name: "ensure_audio_mode_updates_on_foreground_call_change"
+  namespace: "telecom"
+  description: "Ensure that the audio mode is updated anytime the foreground call changes."
+  bug: "289861657"
+}
+
+flag {
+  name: "ignore_auto_route_to_watch_device"
+  namespace: "telecom"
+  description: "Ignore auto routing to wearable devices."
+  bug: "294378768"
+}
+
+flag {
+  name: "transit_route_before_audio_disconnect_bt"
+  namespace: "telecom"
+  description: "Fix audio route transition issue on call disconnection when bt audio connected."
+  bug: "306113816"
+}
+
+flag {
+  name: "call_audio_communication_device_refactor"
+  namespace: "telecom"
+  description: "Refactor call audio set/clear communication device and include unsupported routes."
+  bug: "308968392"
+}
+
+flag {
+  name: "communication_device_protected_by_lock"
+  namespace: "telecom"
+  description: "Protect set/clear communication device operation with lock to avoid race condition."
+  bug: "303001133"
+}
+
+flag {
+  name: "reset_mute_when_entering_quiescent_bt_route"
+  namespace: "telecom"
+  description: "Reset mute state when entering quiescent bluetooth route."
+  bug: "311313250"
+}
+
+flag {
+  name: "update_route_mask_when_bt_connected"
+  namespace: "telecom"
+  description: "Update supported route mask when Bluetooth devices audio connected."
+  bug: "301695370"
+}
+
+flag {
+  name: "clear_communication_device_after_audio_ops_complete"
+  namespace: "telecom"
+  description: "Clear the requested communication device after the audio operations are completed."
+  bug: "315865533"
+}
diff --git a/flags/telecom_calllog_flags.aconfig b/flags/telecom_calllog_flags.aconfig
new file mode 100644
index 0000000..3ce7b63
--- /dev/null
+++ b/flags/telecom_calllog_flags.aconfig
@@ -0,0 +1,15 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "telecom_log_external_wearable_calls"
+  namespace: "telecom"
+  description: "log external call if current device is a wearable one"
+  bug: "292600751"
+}
+
+flag {
+  name: "telecom_skip_log_based_on_extra"
+  namespace: "telecom"
+  description: "skipping logging a call based on passed extra"
+  bug: "295530944"
+}
diff --git a/flags/telecom_calls_manager_flags.aconfig b/flags/telecom_calls_manager_flags.aconfig
new file mode 100644
index 0000000..1a19480
--- /dev/null
+++ b/flags/telecom_calls_manager_flags.aconfig
@@ -0,0 +1,15 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "use_improved_listener_order"
+  namespace: "telecom"
+  description: "Make InCallController the first listener to trigger"
+  bug: "24244713"
+}
+
+flag {
+  name: "fix_audio_flicker_for_outgoing_calls"
+  namespace: "telecom"
+  description: "This fix ensures the MO calls won't switch from Active to Quite b/c setDialing was not called"
+  bug: "309540769"
+}
diff --git a/flags/telecom_connection_service_wrapper_flags.aconfig b/flags/telecom_connection_service_wrapper_flags.aconfig
new file mode 100644
index 0000000..5f46c27
--- /dev/null
+++ b/flags/telecom_connection_service_wrapper_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "updated_rcs_call_count_tracking"
+  namespace: "telecom"
+  description: "Ensure that the associatedCallCount of CS and RCS is accurately being tracked."
+  bug: "286154316"
+}
\ No newline at end of file
diff --git a/flags/telecom_default_phone_account_flags.aconfig b/flags/telecom_default_phone_account_flags.aconfig
new file mode 100644
index 0000000..03f324c
--- /dev/null
+++ b/flags/telecom_default_phone_account_flags.aconfig
@@ -0,0 +1,15 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "only_update_telephony_on_valid_sub_ids"
+  namespace: "telecom"
+  description: "For testing purposes, only update Telephony when the default calling subId is non-zero"
+  bug: "234846282"
+}
+
+flag {
+  name: "telephony_has_default_but_telecom_does_not"
+  namespace: "telecom"
+  description: "Telecom is requesting the user to select a sim account to place the outgoing call on but the user has a default account in the settings"
+  bug: "302397094"
+}
\ No newline at end of file
diff --git a/flags/telecom_incallservice_flags.aconfig b/flags/telecom_incallservice_flags.aconfig
new file mode 100644
index 0000000..e1a652b
--- /dev/null
+++ b/flags/telecom_incallservice_flags.aconfig
@@ -0,0 +1,15 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "early_binding_to_incall_service"
+  namespace: "telecom"
+  description: "Binds to InCallServices when call requires no call filtering on watch"
+  bug: "282113261"
+}
+
+flag {
+  name: "ecc_keyguard"
+  namespace: "telecom"
+  description: "Ensure that users are able to return to call from keyguard UI for ECC"
+  bug: "306582821"
+}
\ No newline at end of file
diff --git a/flags/telecom_resolve_hidden_dependencies.aconfig b/flags/telecom_resolve_hidden_dependencies.aconfig
new file mode 100644
index 0000000..ecc0123
--- /dev/null
+++ b/flags/telecom_resolve_hidden_dependencies.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+    name: "telecom_resolve_hidden_dependencies"
+    namespace: "android_platform_telecom"
+    description: "Mainland cleanup for hidden dependencies"
+    bug: "b/303440370"
+}
diff --git a/flags/telecom_ringer_flag_declarations.aconfig b/flags/telecom_ringer_flag_declarations.aconfig
new file mode 100644
index 0000000..54748d0
--- /dev/null
+++ b/flags/telecom_ringer_flag_declarations.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "use_device_provided_serialized_ringer_vibration"
+  namespace: "telecom"
+  description: "Gates whether to use a serialized, device-specific ring vibration."
+  bug: "282113261"
+}
\ No newline at end of file
diff --git a/flags/telecom_work_profile_flags.aconfig b/flags/telecom_work_profile_flags.aconfig
new file mode 100644
index 0000000..180af59
--- /dev/null
+++ b/flags/telecom_work_profile_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "associated_user_refactor_for_work_profile"
+  namespace: "telecom"
+  description: "Redefines the associated user for calls in the context of work profile support (U+)"
+  bug: "315035693"
+}
\ No newline at end of file
diff --git a/proguard.flags b/proguard.flags
index 635eba6..7c71a15 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -9,17 +9,3 @@
 -keep class android.telecom.Log {
   *;
 }
-
-# Keep classes, annotations and members used by Lifecycle. Remove this once aapt2 is enabled
--keepattributes *Annotation*
-
--keep class * implements android.arch.lifecycle.LifecycleObserver {
-}
-
--keep class * implements android.arch.lifecycle.GeneratedAdapter {
-    <init>(...);
-}
-
--keepclassmembers class ** {
-    @android.arch.lifecycle.OnLifecycleEvent *;
-}
diff --git a/res/values-am/strings.xml b/res/values-am/strings.xml
index 21c8d7c..f0923d5 100644
--- a/res/values-am/strings.xml
+++ b/res/values-am/strings.xml
@@ -128,7 +128,7 @@
     <string name="callendpoint_name_earpiece" msgid="7047285080319678594">"ማዳመጫ"</string>
     <string name="callendpoint_name_bluetooth" msgid="210210953208913172">"ብሉቱዝ"</string>
     <string name="callendpoint_name_wiredheadset" msgid="6860787176412079742">"ባለገመድ ማዳመጫ"</string>
-    <string name="callendpoint_name_speaker" msgid="1971760468695323189">"ድምጽ ማውጫ"</string>
+    <string name="callendpoint_name_speaker" msgid="1971760468695323189">"ድምፅ ማውጫ"</string>
     <string name="callendpoint_name_streaming" msgid="2337595450408275576">"ውጫዊ"</string>
     <string name="callendpoint_name_unknown" msgid="2199074708477193852">"ያልታወቀ"</string>
     <string name="call_streaming_notification_body" msgid="502216105683378263">"ኦዲዮን ወደ ሌላ መሣሪያ በመልቀቅ ላይ"</string>
diff --git a/res/values-da/strings.xml b/res/values-da/strings.xml
index fff7257..4eead66 100644
--- a/res/values-da/strings.xml
+++ b/res/values-da/strings.xml
@@ -73,7 +73,7 @@
     <string name="non_primary_user" msgid="315564589279622098">"Det er kun ejeren af en enhed, der kan se og administrere blokerede numre."</string>
     <string name="delete_icon_description" msgid="5335959254954774373">"Fjern blokering"</string>
     <string name="blocked_numbers_butter_bar_title" msgid="582982373755950791">"Blokering er midlertidigt slået fra"</string>
-    <string name="blocked_numbers_butter_bar_body" msgid="1261213114919301485">"Når du har ringet eller sendt en sms-besked til alarmcentralen, bliver blokering slået fra for at sikre, at alarmcentralen kan komme i kontakt med dig."</string>
+    <string name="blocked_numbers_butter_bar_body" msgid="1261213114919301485">"Når du har ringet eller sendt en besked til alarmcentralen, bliver blokering slået fra for at sikre, at alarmcentralen kan komme i kontakt med dig."</string>
     <string name="blocked_numbers_butter_bar_button" msgid="2704456308072489793">"Genaktiver nu"</string>
     <string name="blocked_numbers_number_blocked_message" msgid="4314736791180919167">"<xliff:g id="BLOCKED_NUMBER">%1$s</xliff:g> blev blokeret"</string>
     <string name="blocked_numbers_number_unblocked_message" msgid="2933071624674945601">"Blokeringen af <xliff:g id="UNBLOCKED_NUMBER">%1$s</xliff:g> blev ophævet"</string>
diff --git a/res/values-el/strings.xml b/res/values-el/strings.xml
index 2cf961d..6b58863 100644
--- a/res/values-el/strings.xml
+++ b/res/values-el/strings.xml
@@ -101,7 +101,7 @@
     <string name="notification_channel_disconnected_calls" msgid="8228636543997645757">"Αποσυνδεδεμένες κλήσεις"</string>
     <string name="notification_channel_in_call_service_crash" msgid="7313237519166984267">"Εφαρμογές τηλεφώνου που αντιμετώπισαν σφάλμα λειτουργίας"</string>
     <string name="notification_channel_call_streaming" msgid="5100510699787538991">"Ροή κλήσης"</string>
-    <string name="alert_outgoing_call" msgid="5319895109298927431">"Εάν πραγματοποιήσετε αυτήν την κλήση, η κλήση σας μέσω <xliff:g id="OTHER_APP">%1$s</xliff:g> θα τερματιστεί."</string>
+    <string name="alert_outgoing_call" msgid="5319895109298927431">"Εάν πραγματοποιήσετε αυτή την κλήση, η κλήση σας μέσω <xliff:g id="OTHER_APP">%1$s</xliff:g> θα τερματιστεί."</string>
     <string name="alert_redirect_outgoing_call_or_not" msgid="665409645789521636">"Επιλέξτε πώς θα πραγματοποιήσετε την κλήση"</string>
     <string name="alert_place_outgoing_call_with_redirection" msgid="5221065030959024121">"Ανακατεύθυνση της κλήσης μέσω <xliff:g id="OTHER_APP">%1$s</xliff:g>"</string>
     <string name="alert_place_unredirect_outgoing_call" msgid="2467608535225764006">"Κλήση μέσω του αριθμού τηλεφώνου μου"</string>
diff --git a/res/values-kk/strings.xml b/res/values-kk/strings.xml
index 628b440..399da20 100644
--- a/res/values-kk/strings.xml
+++ b/res/values-kk/strings.xml
@@ -69,7 +69,7 @@
     <string name="unblock_button" msgid="8732021675729981781">"Бөгеуден шығару"</string>
     <string name="add_blocked_dialog_body" msgid="8599974422407139255">"Қоңыраулары мен мәтіндік хабарлары бөгелетін нөмір"</string>
     <string name="add_blocked_number_hint" msgid="8769422085658041097">"Телефон нөмірі"</string>
-    <string name="block_button" msgid="485080149164258770">"Бөгеу"</string>
+    <string name="block_button" msgid="485080149164258770">"Блоктау"</string>
     <string name="non_primary_user" msgid="315564589279622098">"Бөгелген нөмірлерді тек құрылғы иесі көре және басқара алады."</string>
     <string name="delete_icon_description" msgid="5335959254954774373">"Бөгеуді алу"</string>
     <string name="blocked_numbers_butter_bar_title" msgid="582982373755950791">"Тыйым уақытша алынды"</string>
diff --git a/res/values-pt-rPT/strings.xml b/res/values-pt-rPT/strings.xml
index e68f3c8..5fbe1d3 100644
--- a/res/values-pt-rPT/strings.xml
+++ b/res/values-pt-rPT/strings.xml
@@ -65,7 +65,7 @@
     <string name="blocked_numbers" msgid="8322134197039865180">"Números bloqueados"</string>
     <string name="blocked_numbers_msg" msgid="2797422132329662697">"Não irá receber chamadas ou mensagens de texto de números bloqueados."</string>
     <string name="block_number" msgid="3784343046852802722">"Adicionar um número"</string>
-    <string name="unblock_dialog_body" msgid="2723393535797217261">"Pretende desbloquear <xliff:g id="NUMBER_TO_BLOCK">%1$s</xliff:g>?"</string>
+    <string name="unblock_dialog_body" msgid="2723393535797217261">"Quer desbloquear <xliff:g id="NUMBER_TO_BLOCK">%1$s</xliff:g>?"</string>
     <string name="unblock_button" msgid="8732021675729981781">"Desbloquear"</string>
     <string name="add_blocked_dialog_body" msgid="8599974422407139255">"Bloquear chamadas e mensagens de texto de"</string>
     <string name="add_blocked_number_hint" msgid="8769422085658041097">"Número de telefone"</string>
@@ -102,7 +102,7 @@
     <string name="notification_channel_in_call_service_crash" msgid="7313237519166984267">"Apps Telefone com falhas"</string>
     <string name="notification_channel_call_streaming" msgid="5100510699787538991">"Streaming de chamadas"</string>
     <string name="alert_outgoing_call" msgid="5319895109298927431">"Ao efetuar esta chamada, irá terminar a chamada na app <xliff:g id="OTHER_APP">%1$s</xliff:g>."</string>
-    <string name="alert_redirect_outgoing_call_or_not" msgid="665409645789521636">"Escolha como pretende efetuar esta chamada"</string>
+    <string name="alert_redirect_outgoing_call_or_not" msgid="665409645789521636">"Escolha como quer efetuar esta chamada"</string>
     <string name="alert_place_outgoing_call_with_redirection" msgid="5221065030959024121">"Redirecionar chamada através de <xliff:g id="OTHER_APP">%1$s</xliff:g>"</string>
     <string name="alert_place_unredirect_outgoing_call" msgid="2467608535225764006">"Ligar com o meu número de telefone"</string>
     <string name="alert_redirect_outgoing_call_timeout" msgid="5568101425637373060">"Não é possível efetuar uma chamada através da app <xliff:g id="OTHER_APP">%1$s</xliff:g>. Experimente utilizar uma app de redirecionamento de chamadas diferente ou contactar o programador para obter ajuda."</string>
diff --git a/res/values-pt/strings.xml b/res/values-pt/strings.xml
index afb8eca..a7fc3c7 100644
--- a/res/values-pt/strings.xml
+++ b/res/values-pt/strings.xml
@@ -57,7 +57,7 @@
     <string name="change_default_dialer_dialog_affirmative" msgid="8604665314757739550">"Definir padrão"</string>
     <string name="change_default_dialer_dialog_negative" msgid="8648669840052697821">"Cancelar"</string>
     <string name="change_default_dialer_warning_message" msgid="8461963987376916114">"O <xliff:g id="NEW_APP">%s</xliff:g> poderá ligar e controlar todos os aspectos das chamadas. Defina como aplicativo Telefone padrão somente aqueles em que você confia."</string>
-    <string name="change_default_call_screening_dialog_title" msgid="5365787219927262408">"Usar o <xliff:g id="NEW_APP">%s</xliff:g> como seu app de seleção de chamadas padrão?"</string>
+    <string name="change_default_call_screening_dialog_title" msgid="5365787219927262408">"Usar o <xliff:g id="NEW_APP">%s</xliff:g> como seu app de filtro de ligações padrão?"</string>
     <string name="change_default_call_screening_warning_message_for_disable_old_app" msgid="2039830033533243164">"O <xliff:g id="OLD_APP">%s</xliff:g> não selecionará mais as chamadas."</string>
     <string name="change_default_call_screening_warning_message" msgid="9020537562292754269">"O <xliff:g id="NEW_APP">%s</xliff:g> poderá ver as informações sobre os autores das chamadas que não estão entre seus contatos e bloqueá-los. Defina como app de seleção de chamadas padrão somente aqueles em que você confia."</string>
     <string name="change_default_call_screening_dialog_affirmative" msgid="7162433828280058647">"Definir padrão"</string>
diff --git a/res/values-sw/strings.xml b/res/values-sw/strings.xml
index 1b49990..ef58c00 100644
--- a/res/values-sw/strings.xml
+++ b/res/values-sw/strings.xml
@@ -48,11 +48,11 @@
     <string name="enable_account_preference_title" msgid="6949224486748457976">"Akaunti za simu"</string>
     <string name="outgoing_call_not_allowed_user_restriction" msgid="3424338207838851646">"Piga simu za dharura pekee."</string>
     <string name="outgoing_call_not_allowed_no_permission" msgid="8590468836581488679">"Programu hii haiwezi kupiga simu bila ruhusa ya Simu."</string>
-    <string name="outgoing_call_error_no_phone_number_supplied" msgid="7665135102566099778">"Ili upige simu, weka nambari sahihi."</string>
+    <string name="outgoing_call_error_no_phone_number_supplied" msgid="7665135102566099778">"Ili upige simu, weka namba sahihi."</string>
     <string name="duplicate_video_call_not_allowed" msgid="5754746140185781159">"Hangout ya video haiwezi kuongezwa kwa wakati huu."</string>
     <string name="no_vm_number" msgid="2179959110602180844">"Nambari ya sauti inayokosekana"</string>
-    <string name="no_vm_number_msg" msgid="1339245731058529388">"Hakuna nambari ya ujumbe wa sauti iliyohifadhiwa katika SIM kadi."</string>
-    <string name="add_vm_number_str" msgid="5179510133063168998">"Ongeza nambari"</string>
+    <string name="no_vm_number_msg" msgid="1339245731058529388">"Hakuna namba ya ujumbe wa sauti iliyohifadhiwa katika SIM kadi."</string>
+    <string name="add_vm_number_str" msgid="5179510133063168998">"Ongeza namba"</string>
     <string name="change_default_dialer_dialog_title" msgid="5861469279421508060">"Unataka kufanya <xliff:g id="NEW_APP">%s</xliff:g> iwe programu chaguomsingi ya simu?"</string>
     <string name="change_default_dialer_dialog_affirmative" msgid="8604665314757739550">"Fanya iwe Chaguo-Msingi"</string>
     <string name="change_default_dialer_dialog_negative" msgid="8648669840052697821">"Ghairi"</string>
@@ -63,21 +63,21 @@
     <string name="change_default_call_screening_dialog_affirmative" msgid="7162433828280058647">"Weka iwe Chaguomsingi"</string>
     <string name="change_default_call_screening_dialog_negative" msgid="1839266125623106342">"Ghairi"</string>
     <string name="blocked_numbers" msgid="8322134197039865180">"Nambari zilizozuiwa"</string>
-    <string name="blocked_numbers_msg" msgid="2797422132329662697">"Hutapokea simu au SMS kutoka kwa nambari zilizozuiwa."</string>
-    <string name="block_number" msgid="3784343046852802722">"Ongeza nambari"</string>
+    <string name="blocked_numbers_msg" msgid="2797422132329662697">"Hutapokea simu au SMS kutoka kwa namba zilizozuiwa."</string>
+    <string name="block_number" msgid="3784343046852802722">"Ongeza namba"</string>
     <string name="unblock_dialog_body" msgid="2723393535797217261">"Ungependa kuacha kuzuia <xliff:g id="NUMBER_TO_BLOCK">%1$s</xliff:g>?"</string>
     <string name="unblock_button" msgid="8732021675729981781">"Acha kuzuia"</string>
     <string name="add_blocked_dialog_body" msgid="8599974422407139255">"Zuia simu na SMS kutoka kwa"</string>
     <string name="add_blocked_number_hint" msgid="8769422085658041097">"Nambari ya simu"</string>
     <string name="block_button" msgid="485080149164258770">"Zuia"</string>
-    <string name="non_primary_user" msgid="315564589279622098">"Ni mmiliki wa kifaa pekee anayeweza kuangalia na kuthibiti nambari zilizozuiwa."</string>
+    <string name="non_primary_user" msgid="315564589279622098">"Ni mmiliki wa kifaa pekee anayeweza kuangalia na kuthibiti namba zilizozuiwa."</string>
     <string name="delete_icon_description" msgid="5335959254954774373">"Acha kuzuia"</string>
     <string name="blocked_numbers_butter_bar_title" msgid="582982373755950791">"Kipengele cha kuzuia kimezimwa kwa muda"</string>
-    <string name="blocked_numbers_butter_bar_body" msgid="1261213114919301485">"Ukishapiga au kutuma ujumbe kwa nambari ya dharura, kipengele cha kuzuia anwani huzimwa ili watoa huduma za dharura waweze kuwasiliana nawe."</string>
+    <string name="blocked_numbers_butter_bar_body" msgid="1261213114919301485">"Ukishapiga au kutuma ujumbe kwa namba ya dharura, kipengele cha kuzuia anwani huzimwa ili watoa huduma za dharura waweze kuwasiliana nawe."</string>
     <string name="blocked_numbers_butter_bar_button" msgid="2704456308072489793">"Kiwashe tena sasa"</string>
     <string name="blocked_numbers_number_blocked_message" msgid="4314736791180919167">"<xliff:g id="BLOCKED_NUMBER">%1$s</xliff:g> imezuiwa"</string>
     <string name="blocked_numbers_number_unblocked_message" msgid="2933071624674945601">"<xliff:g id="UNBLOCKED_NUMBER">%1$s</xliff:g> imeacha kuzuiwa"</string>
-    <string name="blocked_numbers_block_emergency_number_message" msgid="4198550501500893890">"Huwezi kuzuia nambari ya dharura."</string>
+    <string name="blocked_numbers_block_emergency_number_message" msgid="4198550501500893890">"Huwezi kuzuia namba ya dharura."</string>
     <string name="blocked_numbers_number_already_blocked_message" msgid="2301270825735665458">"<xliff:g id="BLOCKED_NUMBER">%1$s</xliff:g> tayari imezuiwa."</string>
     <string name="toast_personal_call_msg" msgid="5817631570381795610">"Kupiga simu kwa kutumia kipiga simu cha binafsi"</string>
     <string name="notification_incoming_call" msgid="1233481138362230894">"Simu ya <xliff:g id="CALL_VIA">%1$s</xliff:g> kutoka kwa <xliff:g id="CALL_FROM">%2$s</xliff:g>"</string>
@@ -104,19 +104,19 @@
     <string name="alert_outgoing_call" msgid="5319895109298927431">"Ukipiga simu hii, simu yako kwenye <xliff:g id="OTHER_APP">%1$s</xliff:g> itakatwa."</string>
     <string name="alert_redirect_outgoing_call_or_not" msgid="665409645789521636">"Chagua jinsi utakavyopiga simu hii"</string>
     <string name="alert_place_outgoing_call_with_redirection" msgid="5221065030959024121">"Elekeza simu ukitumia <xliff:g id="OTHER_APP">%1$s</xliff:g>"</string>
-    <string name="alert_place_unredirect_outgoing_call" msgid="2467608535225764006">"Piga simu ukitumia nambari yangu ya simu"</string>
+    <string name="alert_place_unredirect_outgoing_call" msgid="2467608535225764006">"Piga simu ukitumia namba yangu ya simu"</string>
     <string name="alert_redirect_outgoing_call_timeout" msgid="5568101425637373060">"<xliff:g id="OTHER_APP">%1$s</xliff:g> imeshindwa kupiga simu. Jaribu kutumia programu nyingine inayoelekeza simu kwingine au uwasiliane na msanidi programu kwa usaidizi."</string>
     <string name="phone_settings_call_blocking_txt" msgid="7311523114822507178">"Kuzuia Simu"</string>
     <string name="phone_settings_number_not_in_contact_txt" msgid="2602249106007265757">"Nambari ambazo haziko kwenye Anwani"</string>
-    <string name="phone_settings_number_not_in_contact_summary_txt" msgid="963327038085718969">"Zuia nambari ambazo hazipo kwenye orodha ya Anwani zako"</string>
+    <string name="phone_settings_number_not_in_contact_summary_txt" msgid="963327038085718969">"Zuia namba ambazo hazipo kwenye orodha ya Anwani zako"</string>
     <string name="phone_settings_private_num_txt" msgid="6339272760338475619">"Faragha"</string>
-    <string name="phone_settings_private_num_summary_txt" msgid="6755758240544021037">"Zuia wapigaji ambao wameficha nambari zao za simu"</string>
+    <string name="phone_settings_private_num_summary_txt" msgid="6755758240544021037">"Zuia wapigaji ambao wameficha namba zao za simu"</string>
     <string name="phone_settings_payphone_txt" msgid="5003987966052543965">"Simu ya kulipia"</string>
-    <string name="phone_settings_payphone_summary_txt" msgid="3936631076065563665">"Zuia simu kutoka kwa nambari ya simu za kulipia"</string>
+    <string name="phone_settings_payphone_summary_txt" msgid="3936631076065563665">"Zuia simu kutoka kwa namba ya simu za kulipia"</string>
     <string name="phone_settings_unknown_txt" msgid="3577926178354772728">"Zisizojulikani"</string>
     <string name="phone_settings_unknown_summary_txt" msgid="5446657192535779645">"Zuia simu kutoka kwa wapigaji wasiojulikana"</string>
     <string name="phone_settings_unavailable_txt" msgid="825918186053980858">"Zisizotambulishwa"</string>
-    <string name="phone_settings_unavailable_summary_txt" msgid="8221686031038282633">"Zuia simu zinazopigwa bila kutambulisha nambari ya simu"</string>
+    <string name="phone_settings_unavailable_summary_txt" msgid="8221686031038282633">"Zuia simu zinazopigwa bila kutambulisha namba ya simu"</string>
     <string name="phone_strings_call_blocking_turned_off_notification_title_txt" msgid="2895809176537908791">"Kuzuia Simu"</string>
     <string name="phone_strings_call_blocking_turned_off_notification_text_txt" msgid="1713632946174016619">"Kipengele cha Kuzuia Simu kimezimwa"</string>
     <string name="phone_strings_emergency_call_made_dialog_title_txt" msgid="6629412508584507377">"Simu ya dharura imepigwa"</string>
diff --git a/res/values-zh-rCN/strings.xml b/res/values-zh-rCN/strings.xml
index 071289e..1ef0a55 100644
--- a/res/values-zh-rCN/strings.xml
+++ b/res/values-zh-rCN/strings.xml
@@ -45,7 +45,7 @@
     <string name="respond_via_sms_edittext_dialog_title" msgid="6579353156073272157">"快速回复"</string>
     <string name="respond_via_sms_confirmation_format" msgid="2932395476561267842">"讯息已发送至 <xliff:g id="PHONE_NUMBER">%s</xliff:g>。"</string>
     <string name="respond_via_sms_failure_format" msgid="5198680980054596391">"未能将信息发送到 <xliff:g id="PHONE_NUMBER">%s</xliff:g>。"</string>
-    <string name="enable_account_preference_title" msgid="6949224486748457976">"通话帐号"</string>
+    <string name="enable_account_preference_title" msgid="6949224486748457976">"通话账号"</string>
     <string name="outgoing_call_not_allowed_user_restriction" msgid="3424338207838851646">"只能拨打紧急呼救电话。"</string>
     <string name="outgoing_call_not_allowed_no_permission" msgid="8590468836581488679">"此应用没有电话权限，无法拨出电话。"</string>
     <string name="outgoing_call_error_no_phone_number_supplied" msgid="7665135102566099778">"要拨打电话，请输入有效的电话号码。"</string>
@@ -90,7 +90,7 @@
     <string name="answering_ends_other_managed_video_call" msgid="1988508241432031327">"如果接听此来电，您当前的视频通话会中断。"</string>
     <string name="answer_incoming_call" msgid="2045888814782215326">"接听"</string>
     <string name="decline_incoming_call" msgid="922147089348451310">"拒接"</string>
-    <string name="cant_call_due_to_no_supported_service" msgid="1635626384149947077">"无法拨出电话，因为没有通话帐号支持拨打这类电话。"</string>
+    <string name="cant_call_due_to_no_supported_service" msgid="1635626384149947077">"无法拨出电话，因为没有通话账号支持拨打这类电话。"</string>
     <string name="cant_call_due_to_ongoing_call" msgid="8004235328451385493">"由于当前正在进行 <xliff:g id="OTHER_CALL">%1$s</xliff:g> 通话，因此无法拨打电话。"</string>
     <string name="cant_call_due_to_ongoing_calls" msgid="6379163795277824868">"由于当前正在进行 <xliff:g id="OTHER_CALL">%1$s</xliff:g> 通话，因此无法拨打电话。"</string>
     <string name="cant_call_due_to_ongoing_unknown_call" msgid="8243532328969433172">"由于当前正在通过其他应用通话，因此无法拨打电话。"</string>
diff --git a/res/values/config.xml b/res/values/config.xml
index 15f765b..c38a6ec 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -49,8 +49,10 @@
     <bool name="grant_location_permission_enabled">false</bool>
 
     <!-- When true, a simple full intensity on/off vibration pattern will be used when calls ring.
-         When false, a fancy vibration pattern which ramps up and down will be used.
-         Devices should overlay this value based on the type of vibration hardware they employ. -->
+
+         When false, the vibration effect serialized in the raw `default_ringtone_vibration_effect`
+         resource (under `frameworks/base/core/res/res/raw/`) is used. Devices should overlay this
+         value based on the type of vibration hardware they employ. -->
     <bool name="use_simple_vibration_pattern">false</bool>
 
     <!-- Threshold for the X+Y component of gravity needed for the device orientation to be
diff --git a/res/values/styles.xml b/res/values/styles.xml
index c8b24d3..cd608f5 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -61,6 +61,7 @@
     </style>
 
     <style name="BlockedNumbersButton" parent="BlockedNumbersTextPrimary2">
+        <item name="android:textColor">#202124</item>
     </style>
 
     <style name="BlockedNumbersTextHead1"
diff --git a/res/xml/activity_blocked_numbers.xml b/res/xml/activity_blocked_numbers.xml
index e77184d..b6298e9 100644
--- a/res/xml/activity_blocked_numbers.xml
+++ b/res/xml/activity_blocked_numbers.xml
@@ -41,8 +41,8 @@
                     android:layout_height="wrap_content"
                     android:text="@string/non_primary_user"
                     android:paddingTop="@dimen/blocked_numbers_large_padding"
-                    android:paddingLeft="@dimen/blocked_numbers_large_padding"
-                    android:paddingRight="@dimen/blocked_numbers_large_padding"
+                    android:paddingStart="@dimen/blocked_numbers_large_padding"
+                    android:paddingEnd="@dimen/blocked_numbers_large_padding"
                     style="@style/BlockedNumbersTextPrimary2"
                     android:visibility="gone" />
 
@@ -62,8 +62,8 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:paddingTop="@dimen/blocked_numbers_large_padding"
-                        android:paddingLeft="@dimen/blocked_numbers_large_padding"
-                        android:paddingRight="@dimen/blocked_numbers_large_padding">
+                        android:paddingStart="@dimen/blocked_numbers_large_padding"
+                        android:paddingEnd="@dimen/blocked_numbers_large_padding">
 
                     <TextView
                             android:layout_width="wrap_content"
diff --git a/res/xml/blocking_suppressed_butterbar.xml b/res/xml/blocking_suppressed_butterbar.xml
index 8b941b9..2947340 100644
--- a/res/xml/blocking_suppressed_butterbar.xml
+++ b/res/xml/blocking_suppressed_butterbar.xml
@@ -25,19 +25,19 @@
             android:id="@+id/icon"
             android:layout_height="wrap_content"
             android:layout_width="wrap_content"
-            android:layout_alignParentLeft="true"
+            android:layout_alignParentStart="true"
             android:paddingTop="@dimen/blocked_numbers_large_padding"
-            android:paddingRight="@dimen/blocked_numbers_large_padding"
-            android:paddingLeft="@dimen/blocked_numbers_large_padding"
+            android:paddingEnd="@dimen/blocked_numbers_large_padding"
+            android:paddingStart="@dimen/blocked_numbers_large_padding"
             android:src="@drawable/ic_status_blocked_orange_40dp"/>
 
     <TextView
             android:id="@+id/title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_toRightOf="@id/icon"
+            android:layout_toEndOf="@id/icon"
             android:paddingTop="@dimen/blocked_numbers_large_padding"
-            android:paddingRight="@dimen/blocked_numbers_large_padding"
+            android:paddingEnd="@dimen/blocked_numbers_large_padding"
             android:text="@string/blocked_numbers_butter_bar_title"
             style="@style/BlockedNumbersTextPrimary2" />
 
@@ -45,11 +45,11 @@
             android:id="@+id/description"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_toRightOf="@id/icon"
+            android:layout_toEndOf="@id/icon"
             android:layout_below="@id/title"
             android:paddingTop="@dimen/blocked_numbers_large_padding"
             android:paddingBottom="@dimen/blocked_numbers_large_padding"
-            android:paddingRight="@dimen/blocked_numbers_large_padding"
+            android:paddingEnd="@dimen/blocked_numbers_large_padding"
             android:text="@string/blocked_numbers_butter_bar_body"
             style="@style/BlockedNumbersTextSecondary" />
 
@@ -57,9 +57,9 @@
             android:id="@+id/reenable_button"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_toRightOf="@id/icon"
+            android:layout_toEndOf="@id/icon"
             android:layout_below="@id/description"
-            android:paddingRight="@dimen/blocked_numbers_large_padding"
+            android:paddingEnd="@dimen/blocked_numbers_large_padding"
             android:text="@string/blocked_numbers_butter_bar_button"
             style="@style/BlockedNumbersButton"
             android:background="?android:attr/selectableItemBackgroundBorderless" />
diff --git a/src/com/android/server/telecom/Call.java b/src/com/android/server/telecom/Call.java
index c32d2bf..8b9d07d 100644
--- a/src/com/android/server/telecom/Call.java
+++ b/src/com/android/server/telecom/Call.java
@@ -17,12 +17,13 @@
 package com.android.server.telecom;
 
 import static android.provider.CallLog.Calls.MISSED_REASON_NOT_MISSED;
-import static android.telecom.Call.EVENT_DISPLAY_SOS_MESSAGE;
+import static android.telephony.TelephonyManager.EVENT_DISPLAY_EMERGENCY_MESSAGE;
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
@@ -30,6 +31,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
+import android.os.OutcomeReceiver;
 import android.os.ParcelFileDescriptor;
 import android.os.Parcelable;
 import android.os.RemoteException;
@@ -43,6 +45,7 @@
 import android.telecom.CallAudioState;
 import android.telecom.CallDiagnosticService;
 import android.telecom.CallDiagnostics;
+import android.telecom.CallException;
 import android.telecom.CallerInfo;
 import android.telecom.Conference;
 import android.telecom.Connection;
@@ -70,9 +73,14 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.telecom.IVideoProvider;
 import com.android.internal.util.Preconditions;
+import com.android.server.telecom.flags.FeatureFlags;
+import com.android.server.telecom.flags.Flags;
 import com.android.server.telecom.stats.CallFailureCause;
 import com.android.server.telecom.stats.CallStateChangedAtomWriter;
 import com.android.server.telecom.ui.ToastFactory;
+import com.android.server.telecom.voip.TransactionManager;
+import com.android.server.telecom.voip.VerifyCallStateChangeTransaction;
+import com.android.server.telecom.voip.VoipCallTransactionResult;
 
 import java.io.IOException;
 import java.text.SimpleDateFormat;
@@ -118,6 +126,24 @@
 
     private static final char NO_DTMF_TONE = '\0';
 
+
+    /**
+     * Listener for CallState changes which can be leveraged by a Transaction.
+     */
+    public interface CallStateListener {
+        void onCallStateChanged(int newCallState);
+    }
+
+    public List<CallStateListener> mCallStateListeners = new ArrayList<>();
+
+    public void addCallStateListener(CallStateListener newListener) {
+        mCallStateListeners.add(newListener);
+    }
+
+    public boolean removeCallStateListener(CallStateListener newListener) {
+        return mCallStateListeners.remove(newListener);
+    }
+
     /**
      * Listener for events on the call.
      */
@@ -283,18 +309,25 @@
                 @Override
                 public void onCallerInfoQueryComplete(Uri handle, CallerInfo callerInfo) {
                     synchronized (mLock) {
-                        Call.this.setCallerInfo(handle, callerInfo);
+                        Call call = Call.this;
+                        if (call != null) {
+                            call.setCallerInfo(handle, callerInfo);
+                        }
                     }
                 }
 
                 @Override
                 public void onContactPhotoQueryComplete(Uri handle, CallerInfo callerInfo) {
                     synchronized (mLock) {
-                        Call.this.setCallerInfo(handle, callerInfo);
+                        Call call = Call.this;
+                        if (call != null) {
+                            call.setCallerInfo(handle, callerInfo);
+                        }
                     }
                 }
             };
 
+    private final boolean mIsModifyStatePermissionGranted;
     /**
      * One of CALL_DIRECTION_INCOMING, CALL_DIRECTION_OUTGOING, or CALL_DIRECTION_UNKNOWN
      */
@@ -406,6 +439,13 @@
     private int mCallerDisplayNamePresentation;
 
     /**
+     * The remote connection service which is attempted or already connecting this call. This is set
+     * to a non-null value only when a connection manager phone account is in use. When set, this
+     * will correspond to the target phone account of the {@link Call}.
+     */
+    private ConnectionServiceWrapper mRemoteConnectionService;
+
+    /**
      * The connection service which is attempted or already connecting this call.
      */
     private ConnectionServiceWrapper mConnectionService;
@@ -757,6 +797,8 @@
      */
     private CompletableFuture<Boolean> mDisconnectFuture;
 
+    private FeatureFlags mFlags;
+
     /**
      * Persists the specified parameters and initializes the new instance.
      * @param context The context.
@@ -788,11 +830,12 @@
             boolean shouldAttachToExistingConnection,
             boolean isConference,
             ClockProxy clockProxy,
-            ToastFactory toastFactory) {
+            ToastFactory toastFactory,
+            FeatureFlags featureFlags) {
         this(callId, context, callsManager, lock, repository, phoneNumberUtilsAdapter,
                handle, null, gatewayInfo, connectionManagerPhoneAccountHandle,
                targetPhoneAccountHandle, callDirection, shouldAttachToExistingConnection,
-               isConference, clockProxy, toastFactory);
+               isConference, clockProxy, toastFactory, featureFlags);
 
     }
 
@@ -812,8 +855,9 @@
             boolean shouldAttachToExistingConnection,
             boolean isConference,
             ClockProxy clockProxy,
-            ToastFactory toastFactory) {
-
+            ToastFactory toastFactory,
+            FeatureFlags featureFlags) {
+        mFlags = featureFlags;
         mId = callId;
         mConnectionId = callId;
         mState = (isConference && callDirection != CALL_DIRECTION_INCOMING &&
@@ -844,6 +888,8 @@
         mStartRingTime = 0;
 
         mCallStateChangedAtomWriter.setExistingCallCount(callsManager.getCalls().size());
+        mIsModifyStatePermissionGranted =
+                isModifyPhoneStatePermissionGranted(getDelegatePhoneAccountHandle());
     }
 
     /**
@@ -863,6 +909,7 @@
      * connection, regardless of whether it's incoming or outgoing.
      * @param connectTimeMillis The connection time of the call.
      * @param clockProxy
+     * @param featureFlags The telecom feature flags.
      */
     Call(
             String callId,
@@ -881,11 +928,13 @@
             long connectTimeMillis,
             long connectElapsedTimeMillis,
             ClockProxy clockProxy,
-            ToastFactory toastFactory) {
+            ToastFactory toastFactory,
+            FeatureFlags featureFlags) {
         this(callId, context, callsManager, lock, repository,
                 phoneNumberUtilsAdapter, handle, gatewayInfo,
                 connectionManagerPhoneAccountHandle, targetPhoneAccountHandle, callDirection,
-                shouldAttachToExistingConnection, isConference, clockProxy, toastFactory);
+                shouldAttachToExistingConnection, isConference, clockProxy, toastFactory,
+                featureFlags);
 
         mConnectTimeMillis = connectTimeMillis;
         mConnectElapsedTimeMillis = connectElapsedTimeMillis;
@@ -1328,6 +1377,12 @@
                 Log.addEvent(this, event, stringData);
             }
 
+            if (mFlags.transactionalCsVerifier()) {
+                for (CallStateListener listener : mCallStateListeners) {
+                    listener.onCallStateChanged(newState);
+                }
+            }
+
             mCallStateChangedAtomWriter
                     .setDisconnectCause(getDisconnectCause())
                     .setSelfManaged(isSelfManaged())
@@ -1733,8 +1788,12 @@
                     accountHandle.getComponentName().getPackageName(),
                     mContext.getPackageManager());
             // Set the associated user for the call for MT calls based on the target phone account.
-            if (isIncoming() && !accountHandle.getUserHandle().equals(mAssociatedUser)) {
-                setAssociatedUser(accountHandle.getUserHandle());
+            UserHandle associatedUser = UserUtil.getAssociatedUserForCall(
+                    mFlags.associatedUserRefactorForWorkProfile(),
+                    mCallsManager.getPhoneAccountRegistrar(), mCallsManager.getCurrentUserHandle(),
+                    accountHandle);
+            if (isIncoming() && !associatedUser.equals(mAssociatedUser)) {
+                setAssociatedUser(associatedUser);
             }
         }
     }
@@ -2313,11 +2372,25 @@
 
     @VisibleForTesting
     public void setConnectionService(ConnectionServiceWrapper service) {
+        setConnectionService(service, null);
+    }
+
+    @VisibleForTesting
+    public void setConnectionService(
+            ConnectionServiceWrapper service,
+            ConnectionServiceWrapper remoteService
+    ) {
         Preconditions.checkNotNull(service);
 
         clearConnectionService();
 
         service.incrementAssociatedCallCount();
+
+        if (mFlags.updatedRcsCallCountTracking() && remoteService != null) {
+            remoteService.incrementAssociatedCallCount();
+            mRemoteConnectionService = remoteService;
+        }
+
         mConnectionService = service;
         mAnalytics.setCallConnectionService(service.getComponentName().flattenToShortString());
         mConnectionService.addCall(this);
@@ -2325,10 +2398,12 @@
 
     /**
      * Perform an in-place replacement of the {@link ConnectionServiceWrapper} for this Call.
-     * Removes the call from its former {@link ConnectionServiceWrapper}, ensuring that the
-     * ConnectionService is NOT unbound if the call count hits zero.
-     * This is used by the {@link ConnectionServiceWrapper} when handling {@link Connection} and
-     * {@link Conference} additions via a ConnectionManager.
+     * Removes the call from its former {@link ConnectionServiceWrapper}, while still ensuring the
+     * former {@link ConnectionServiceWrapper} is tracked as the mRemoteConnectionService for this
+     * call so that the associatedCallCount of that {@link ConnectionServiceWrapper} is accurately
+     * tracked until it is supposed to be unbound.
+     * This method is used by the {@link ConnectionServiceWrapper} when handling {@link Connection}
+     * and {@link Conference} additions via a ConnectionManager.
      * The original {@link android.telecom.ConnectionService} will directly add external calls and
      * conferences to Telecom as well as the ConnectionManager, which will add to Telecom.  In these
      * cases since its first added to via the original CS, we want to change the CS responsible for
@@ -2341,9 +2416,18 @@
 
         if (mConnectionService != null) {
             ConnectionServiceWrapper serviceTemp = mConnectionService;
+
+            if (mFlags.updatedRcsCallCountTracking()) {
+                // Continue to track the former CS for this call so that it doesn't unbind early:
+                mRemoteConnectionService = serviceTemp;
+            }
+
             mConnectionService = null;
             serviceTemp.removeCall(this);
-            serviceTemp.decrementAssociatedCallCount(true /*isSuppressingUnbind*/);
+
+            if (!mFlags.updatedRcsCallCountTracking()) {
+                serviceTemp.decrementAssociatedCallCount(true /*isSuppressingUnbind*/);
+            }
         }
 
         service.incrementAssociatedCallCount();
@@ -2357,6 +2441,8 @@
     void clearConnectionService() {
         if (mConnectionService != null) {
             ConnectionServiceWrapper serviceTemp = mConnectionService;
+            ConnectionServiceWrapper remoteServiceTemp = mRemoteConnectionService;
+            mRemoteConnectionService = null;
             mConnectionService = null;
             serviceTemp.removeCall(this);
 
@@ -2367,6 +2453,10 @@
             // necessary, but cleaning up mConnectionService prior to triggering an unbind is good
             // to do.
             decrementAssociatedCallCount(serviceTemp);
+
+            if (mFlags.updatedRcsCallCountTracking() && remoteServiceTemp != null) {
+                decrementAssociatedCallCount(remoteServiceTemp);
+            }
         }
     }
 
@@ -2385,7 +2475,7 @@
             return;
         }
         mCreateConnectionProcessor = new CreateConnectionProcessor(this, mRepository, this,
-                phoneAccountRegistrar, mContext);
+                phoneAccountRegistrar, mContext, mFlags);
         mCreateConnectionProcessor.process();
     }
 
@@ -2898,11 +2988,19 @@
         hold(null /* reason */);
     }
 
+    /**
+     * This method requests the ConnectionService or TransactionalService hosting the call to put
+     * the call on hold
+     */
     public void hold(String reason) {
         if (mState == CallState.ACTIVE) {
             if (mTransactionalService != null) {
                 mTransactionalService.onSetInactive(this);
             } else if (mConnectionService != null) {
+                if (mFlags.transactionalCsVerifier()) {
+                    awaitCallStateChangeAndMaybeDisconnectCall(CallState.ON_HOLD, isSelfManaged(),
+                            "hold");
+                }
                 mConnectionService.hold(this);
             } else {
                 Log.e(this, new NullPointerException(),
@@ -2913,6 +3011,27 @@
     }
 
     /**
+     * helper that can be used for any callback that requests a call state change and wants to
+     * verify the change
+     */
+    public void awaitCallStateChangeAndMaybeDisconnectCall(int targetCallState,
+            boolean shouldDisconnectUponTimeout, String callingMethod) {
+        TransactionManager tm = TransactionManager.getInstance();
+        tm.addTransaction(new VerifyCallStateChangeTransaction(mCallsManager,
+                this, targetCallState, shouldDisconnectUponTimeout), new OutcomeReceiver<>() {
+            @Override
+            public void onResult(VoipCallTransactionResult result) {
+            }
+
+            @Override
+            public void onError(CallException e) {
+                Log.i(this, "awaitCallStateChangeAndMaybeDisconnectCall: %s: onError"
+                        + " due to CallException=[%s]", callingMethod, e);
+            }
+        });
+    }
+
+    /**
      * Releases the call from hold if it is currently active.
      */
     @VisibleForTesting
@@ -3039,6 +3158,12 @@
                     Connection.EXTRA_REMOTE_PHONE_ACCOUNT_HANDLE));
         }
 
+        if (mExtras.containsKey(TelecomManager.EXTRA_DO_NOT_LOG_CALL)) {
+            if (source != SOURCE_CONNECTION_SERVICE || !mIsModifyStatePermissionGranted) {
+                mExtras.remove(TelecomManager.EXTRA_DO_NOT_LOG_CALL);
+            }
+        }
+
         // If the change originated from an InCallService, notify the connection service.
         if (source == SOURCE_INCALL_SERVICE) {
             Log.addEvent(this, LogUtils.Events.ICS_EXTRAS_CHANGED);
@@ -3053,6 +3178,15 @@
         }
     }
 
+    private boolean isModifyPhoneStatePermissionGranted(PhoneAccountHandle phoneAccountHandle) {
+        if (phoneAccountHandle == null) {
+            return false;
+        }
+        String packageName = phoneAccountHandle.getComponentName().getPackageName();
+        return PackageManager.PERMISSION_GRANTED == mContext.getPackageManager().checkPermission(
+                android.Manifest.permission.MODIFY_PHONE_STATE, packageName);
+    }
+
     /**
      * Removes extras from the extras bundle associated with this {@link Call}.
      *
@@ -3293,62 +3427,16 @@
      */
     public void sendCallEvent(String event, int targetSdkVer, Bundle extras) {
         if (mConnectionService != null || mTransactionalService != null) {
-            if (android.telecom.Call.EVENT_REQUEST_HANDOVER.equals(event)) {
-                if (targetSdkVer > Build.VERSION_CODES.P) {
-                    Log.e(this, new Exception(), "sendCallEvent failed. Use public api handoverTo" +
-                            " for API > 28(P)");
-                    // Event-based Handover APIs are deprecated, so inform the user.
-                    mHandler.post(new Runnable() {
-                        @Override
-                        public void run() {
-                            mToastFactory.makeText(mContext,
-                                    "WARNING: Event-based handover APIs are deprecated and will no"
-                                            + " longer function in Android Q.",
-                                    Toast.LENGTH_LONG).show();
-                        }
-                    });
-
-                    // Uncomment and remove toast at feature complete: return;
-                }
-
-                // Handover requests are targeted at Telecom, not the ConnectionService.
-                if (extras == null) {
-                    Log.w(this, "sendCallEvent: %s event received with null extras.",
-                            android.telecom.Call.EVENT_REQUEST_HANDOVER);
-                    sendEventToService(this, android.telecom.Call.EVENT_HANDOVER_FAILED,
-                            null);
-                    return;
-                }
-                Parcelable parcelable = extras.getParcelable(
-                        android.telecom.Call.EXTRA_HANDOVER_PHONE_ACCOUNT_HANDLE);
-                if (!(parcelable instanceof PhoneAccountHandle) || parcelable == null) {
-                    Log.w(this, "sendCallEvent: %s event received with invalid handover acct.",
-                            android.telecom.Call.EVENT_REQUEST_HANDOVER);
-                    sendEventToService(this, android.telecom.Call.EVENT_HANDOVER_FAILED, null);
-                    return;
-                }
-                PhoneAccountHandle phoneAccountHandle = (PhoneAccountHandle) parcelable;
-                int videoState = extras.getInt(android.telecom.Call.EXTRA_HANDOVER_VIDEO_STATE,
-                        VideoProfile.STATE_AUDIO_ONLY);
-                Parcelable handoverExtras = extras.getParcelable(
-                        android.telecom.Call.EXTRA_HANDOVER_EXTRAS);
-                Bundle handoverExtrasBundle = null;
-                if (handoverExtras instanceof Bundle) {
-                    handoverExtrasBundle = (Bundle) handoverExtras;
-                }
-                requestHandover(phoneAccountHandle, videoState, handoverExtrasBundle, true);
-            } else {
-                // Relay bluetooth call quality reports to the call diagnostic service.
-                if (BluetoothCallQualityReport.EVENT_BLUETOOTH_CALL_QUALITY_REPORT.equals(event)
-                        && extras.containsKey(
-                        BluetoothCallQualityReport.EXTRA_BLUETOOTH_CALL_QUALITY_REPORT)) {
-                    notifyBluetoothCallQualityReport(extras.getParcelable(
-                            BluetoothCallQualityReport.EXTRA_BLUETOOTH_CALL_QUALITY_REPORT
-                    ));
-                }
-                Log.addEvent(this, LogUtils.Events.CALL_EVENT, event);
-                sendEventToService(this, event, extras);
+            // Relay bluetooth call quality reports to the call diagnostic service.
+            if (BluetoothCallQualityReport.EVENT_BLUETOOTH_CALL_QUALITY_REPORT.equals(event)
+                    && extras.containsKey(
+                    BluetoothCallQualityReport.EXTRA_BLUETOOTH_CALL_QUALITY_REPORT)) {
+                notifyBluetoothCallQualityReport(extras.getParcelable(
+                        BluetoothCallQualityReport.EXTRA_BLUETOOTH_CALL_QUALITY_REPORT
+                ));
             }
+            Log.addEvent(this, LogUtils.Events.CALL_EVENT, event);
+            sendEventToService(this, event, extras);
         } else {
             Log.e(this, new NullPointerException(),
                     "sendCallEvent failed due to null CS callId=%s", getId());
@@ -3663,7 +3751,8 @@
         }
 
         String newName = callerInfo.getName();
-        boolean contactNameChanged = mCallerInfo == null || !mCallerInfo.getName().equals(newName);
+        boolean contactNameChanged = mCallerInfo == null ||
+                !Objects.equals(mCallerInfo.getName(), newName);
 
         mCallerInfo = callerInfo;
         Log.i(this, "CallerInfo received for %s: %s", Log.piiHandle(mHandle), callerInfo);
@@ -4032,7 +4121,7 @@
      * @param associatedUser
      */
     public void setAssociatedUser(UserHandle associatedUser) {
-        Log.i(this, "Setting associated user for call");
+        Log.i(this, "Setting associated user for call: %s", associatedUser);
         Preconditions.checkNotNull(associatedUser);
         mAssociatedUser = associatedUser;
     }
@@ -4182,8 +4271,8 @@
                 l.onReceivedCallQualityReport(this, callQuality);
             }
         } else {
-            if (event.equals(EVENT_DISPLAY_SOS_MESSAGE) && !isEmergencyCall()) {
-                Log.w(this, "onConnectionEvent: EVENT_DISPLAY_SOS_MESSAGE is sent "
+            if (event.equals(EVENT_DISPLAY_EMERGENCY_MESSAGE) && !isEmergencyCall()) {
+                Log.w(this, "onConnectionEvent: EVENT_DISPLAY_EMERGENCY_MESSAGE is sent "
                         + "without an emergency call");
                 return;
             }
diff --git a/src/com/android/server/telecom/CallAudioCommunicationDeviceTracker.java b/src/com/android/server/telecom/CallAudioCommunicationDeviceTracker.java
index 43624a3..5fc2414 100644
--- a/src/com/android/server/telecom/CallAudioCommunicationDeviceTracker.java
+++ b/src/com/android/server/telecom/CallAudioCommunicationDeviceTracker.java
@@ -24,10 +24,12 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.server.telecom.bluetooth.BluetoothRouteManager;
+import com.android.server.telecom.flags.Flags;
 
 import java.util.Arrays;
 import java.util.List;
 import java.util.Set;
+import java.util.concurrent.Semaphore;
 
 /**
  * Helper class used to keep track of the requested communication device within Telecom for audio
@@ -50,6 +52,7 @@
     private int mAudioDeviceType = sAUDIO_DEVICE_TYPE_INVALID;
     // Keep track of the locally requested BT audio device if set
     private String mBtAudioDevice = null;
+    private final Semaphore mLock =  new Semaphore(1);
 
     public CallAudioCommunicationDeviceTracker(Context context) {
         mAudioManager = context.getSystemService(AudioManager.class);
@@ -63,6 +66,10 @@
         return mAudioDeviceType == audioDeviceType;
     }
 
+    public int getCurrentLocallyRequestedCommunicationDevice() {
+       return mAudioDeviceType;
+    }
+
     @VisibleForTesting
     public void setTestCommunicationDevice(int audioDeviceType) {
         mAudioDeviceType = audioDeviceType;
@@ -90,6 +97,9 @@
      */
     public boolean setCommunicationDevice(int audioDeviceType,
             BluetoothDevice btDevice) {
+        if (Flags.communicationDeviceProtectedByLock()) {
+            mLock.tryAcquire();
+        }
         // There is only one audio device type associated with each type of BT device.
         boolean isBtDevice = sBT_AUDIO_DEVICE_TYPES.contains(audioDeviceType);
         Log.i(this, "setCommunicationDevice: type = %s, isBtDevice = %s, btDevice = %s",
@@ -149,8 +159,16 @@
                 if (audioDeviceType == AudioDeviceInfo.TYPE_BLE_HEADSET) {
                     mBluetoothRouteManager.onAudioOn(mBtAudioDevice);
                 }
+            } else if (Flags.communicationDeviceProtectedByLock()) {
+                // Clear BT device if it's still stored. Handles race condition for when a non-BT
+                // device is set for communication shortly after a BT (LE) device is set for
+                // communication but the selection hasn't been cleared yet.
+                mBtAudioDevice = null;
             }
         }
+        if (Flags.communicationDeviceProtectedByLock()) {
+            mLock.release();
+        }
         return result;
     }
 
@@ -160,6 +178,9 @@
      * @param audioDeviceTypes The supported audio device types for the device.
      */
     public void clearCommunicationDevice(int audioDeviceType) {
+        if (Flags.communicationDeviceProtectedByLock()) {
+            mLock.tryAcquire();
+        }
         // There is only one audio device type associated with each type of BT device.
         boolean isBtDevice = sBT_AUDIO_DEVICE_TYPES.contains(audioDeviceType);
         Log.i(this, "clearCommunicationDevice: type = %s, isBtDevice = %s",
@@ -177,12 +198,6 @@
             return;
         }
 
-        if (isBtDevice && mBtAudioDevice != null) {
-            // Signal that BT audio was lost for device.
-            mBluetoothRouteManager.onAudioLost(mBtAudioDevice);
-            mBtAudioDevice = null;
-        }
-
         if (mAudioManager == null) {
             Log.i(this, "clearCommunicationDevice: mAudioManager is null");
             return;
@@ -191,6 +206,15 @@
         // Clear device and reset locally saved device type.
         mAudioManager.clearCommunicationDevice();
         mAudioDeviceType = sAUDIO_DEVICE_TYPE_INVALID;
+
+        if (isBtDevice && mBtAudioDevice != null) {
+            // Signal that BT audio was lost for device.
+            mBluetoothRouteManager.onAudioLost(mBtAudioDevice);
+            mBtAudioDevice = null;
+        }
+        if (Flags.communicationDeviceProtectedByLock()) {
+            mLock.release();
+        }
     }
 
     private boolean isUsbHeadsetType(int audioDeviceType, int sourceType) {
diff --git a/src/com/android/server/telecom/CallAudioManager.java b/src/com/android/server/telecom/CallAudioManager.java
index 6557dc6..96bf2c6 100644
--- a/src/com/android/server/telecom/CallAudioManager.java
+++ b/src/com/android/server/telecom/CallAudioManager.java
@@ -23,7 +23,6 @@
 import android.os.UserHandle;
 import android.telecom.CallAudioState;
 import android.telecom.Log;
-import android.telecom.PhoneAccount;
 import android.telecom.VideoProfile;
 import android.util.SparseArray;
 
@@ -31,6 +30,7 @@
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.telecom.CallAudioModeStateMachine.MessageArgs.Builder;
 import com.android.server.telecom.bluetooth.BluetoothStateReceiver;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import java.util.Collection;
 import java.util.HashSet;
@@ -54,7 +54,7 @@
     private final Set<Call> mCalls;
     private final SparseArray<LinkedHashSet<Call>> mCallStateToCalls;
 
-    private final CallAudioRouteStateMachine mCallAudioRouteStateMachine;
+    private final CallAudioRouteAdapter mCallAudioRouteAdapter;
     private final CallAudioModeStateMachine mCallAudioModeStateMachine;
     private final BluetoothStateReceiver mBluetoothStateReceiver;
     private final CallsManager mCallsManager;
@@ -62,6 +62,7 @@
     private final Ringer mRinger;
     private final RingbackPlayer mRingbackPlayer;
     private final DtmfLocalTonePlayer mDtmfLocalTonePlayer;
+    private final FeatureFlags mFeatureFlags;
 
     private Call mStreamingCall;
     private Call mForegroundCall;
@@ -69,14 +70,15 @@
     private boolean mIsDisconnectedTonePlaying = false;
     private InCallTonePlayer mHoldTonePlayer;
 
-    public CallAudioManager(CallAudioRouteStateMachine callAudioRouteStateMachine,
+    public CallAudioManager(CallAudioRouteAdapter callAudioRouteAdapter,
             CallsManager callsManager,
             CallAudioModeStateMachine callAudioModeStateMachine,
             InCallTonePlayer.Factory playerFactory,
             Ringer ringer,
             RingbackPlayer ringbackPlayer,
             BluetoothStateReceiver bluetoothStateReceiver,
-            DtmfLocalTonePlayer dtmfLocalTonePlayer) {
+            DtmfLocalTonePlayer dtmfLocalTonePlayer,
+            FeatureFlags featureFlags) {
         mActiveDialingOrConnectingCalls = new LinkedHashSet<>(1);
         mRingingCalls = new LinkedHashSet<>(1);
         mHoldingCalls = new LinkedHashSet<>(1);
@@ -94,7 +96,7 @@
             put(CallState.AUDIO_PROCESSING, mAudioProcessingCalls);
         }};
 
-        mCallAudioRouteStateMachine = callAudioRouteStateMachine;
+        mCallAudioRouteAdapter = callAudioRouteAdapter;
         mCallAudioModeStateMachine = callAudioModeStateMachine;
         mCallsManager = callsManager;
         mPlayerFactory = playerFactory;
@@ -102,10 +104,11 @@
         mRingbackPlayer = ringbackPlayer;
         mBluetoothStateReceiver = bluetoothStateReceiver;
         mDtmfLocalTonePlayer = dtmfLocalTonePlayer;
+        mFeatureFlags = featureFlags;
 
         mPlayerFactory.setCallAudioManager(this);
         mCallAudioModeStateMachine.setCallAudioManager(this);
-        mCallAudioRouteStateMachine.setCallAudioManager(this);
+        mCallAudioRouteAdapter.setCallAudioManager(this);
     }
 
     @Override
@@ -222,7 +225,7 @@
                 // When pulling a video call, automatically enable the speakerphone.
                 Log.d(LOG_TAG, "Switching to speaker because external video call %s was pulled." +
                         call.getId());
-                mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+                mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                         CallAudioRouteStateMachine.SWITCH_SPEAKER);
             }
         }
@@ -304,7 +307,7 @@
                 VideoProfile.isReceptionEnabled(newVideoState);
 
         if (isUpgradeRequest) {
-            mPlayerFactory.createPlayer(InCallTonePlayer.TONE_VIDEO_UPGRADE).startTone();
+            mPlayerFactory.createPlayer(call, InCallTonePlayer.TONE_VIDEO_UPGRADE).startTone();
         }
     }
 
@@ -313,7 +316,7 @@
             // We only play tones for foreground calls.
             return;
         }
-        mPlayerFactory.createPlayer(InCallTonePlayer.TONE_RTT_REQUEST).startTone();
+        mPlayerFactory.createPlayer(call, InCallTonePlayer.TONE_RTT_REQUEST).startTone();
     }
 
     /**
@@ -326,7 +329,7 @@
      */
     @Override
     public void onHoldToneRequested(Call call) {
-        maybePlayHoldTone();
+        maybePlayHoldTone(call);
     }
 
     @Override
@@ -374,7 +377,7 @@
     @Override
     public void onConnectionServiceChanged(Call call, ConnectionServiceWrapper oldCs,
             ConnectionServiceWrapper newCs) {
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.UPDATE_SYSTEM_AUDIO_ROUTE);
     }
 
@@ -392,13 +395,13 @@
             Log.d(LOG_TAG, "Switching to speaker because call %s transitioned video state from %s" +
                     " to %s", call.getId(), VideoProfile.videoStateToString(previousVideoState),
                     VideoProfile.videoStateToString(newVideoState));
-            mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+            mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                     CallAudioRouteStateMachine.SWITCH_SPEAKER);
         }
     }
 
     public CallAudioState getCallAudioState() {
-        return mCallAudioRouteStateMachine.getCurrentCallAudioState();
+        return mCallAudioRouteAdapter.getCurrentCallAudioState();
     }
 
     public Call getPossiblyHeldForegroundCall() {
@@ -419,7 +422,7 @@
             Log.v(this, "ignoring toggleMute for emergency call");
             return;
         }
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.TOGGLE_MUTE);
     }
 
@@ -439,7 +442,7 @@
             Log.v(this, "ignoring mute for emergency call");
         }
 
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(shouldMute
+        mCallAudioRouteAdapter.sendMessageWithSessionInfo(shouldMute
                 ? CallAudioRouteStateMachine.MUTE_ON : CallAudioRouteStateMachine.MUTE_OFF);
     }
 
@@ -455,23 +458,23 @@
         Log.v(this, "setAudioRoute, route: %s", CallAudioState.audioRouteToString(route));
         switch (route) {
             case CallAudioState.ROUTE_BLUETOOTH:
-                mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+                mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                         CallAudioRouteStateMachine.USER_SWITCH_BLUETOOTH, 0, bluetoothAddress);
                 return;
             case CallAudioState.ROUTE_SPEAKER:
-                mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+                mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                         CallAudioRouteStateMachine.USER_SWITCH_SPEAKER);
                 return;
             case CallAudioState.ROUTE_WIRED_HEADSET:
-                mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+                mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                         CallAudioRouteStateMachine.USER_SWITCH_HEADSET);
                 return;
             case CallAudioState.ROUTE_EARPIECE:
-                mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+                mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                         CallAudioRouteStateMachine.USER_SWITCH_EARPIECE);
                 return;
             case CallAudioState.ROUTE_WIRED_OR_EARPIECE:
-                mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+                mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                         CallAudioRouteStateMachine.USER_SWITCH_BASELINE_ROUTE,
                         CallAudioRouteStateMachine.NO_INCLUDE_BLUETOOTH_IN_BASELINE);
                 return;
@@ -486,7 +489,7 @@
      */
     void switchBaseline() {
         Log.i(this, "switchBaseline");
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.USER_SWITCH_BASELINE_ROUTE,
                 CallAudioRouteStateMachine.INCLUDE_BLUETOOTH_IN_BASELINE);
     }
@@ -530,7 +533,7 @@
         synchronized (mCallsManager.getLock()) {
             Call localForegroundCall = mForegroundCall;
             boolean result = mRinger.startRinging(localForegroundCall,
-                    mCallAudioRouteStateMachine.isHfpDeviceAvailable());
+                    mCallAudioRouteAdapter.isHfpDeviceAvailable());
             if (result) {
                 localForegroundCall.setStartRingTime();
             }
@@ -563,7 +566,7 @@
 
     @VisibleForTesting
     public void setCallAudioRouteFocusState(int focusState) {
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.SWITCH_FOCUS, focusState);
     }
 
@@ -573,8 +576,8 @@
     }
 
     @VisibleForTesting
-    public CallAudioRouteStateMachine getCallAudioRouteStateMachine() {
-        return mCallAudioRouteStateMachine;
+    public CallAudioRouteAdapter getCallAudioRouteAdapter() {
+        return mCallAudioRouteAdapter;
     }
 
     @VisibleForTesting
@@ -611,9 +614,9 @@
         mCallAudioModeStateMachine.dump(pw);
         pw.decreaseIndent();
 
-        pw.println("CallAudioRouteStateMachine:");
+        pw.println("mCallAudioRouteAdapter:");
         pw.increaseIndent();
-        mCallAudioRouteStateMachine.dump(pw);
+        mCallAudioRouteAdapter.dump(pw);
         pw.decreaseIndent();
 
         pw.println("BluetoothDeviceManager:");
@@ -625,7 +628,7 @@
     }
 
     @VisibleForTesting
-    public void setIsTonePlaying(boolean isTonePlaying) {
+    public void setIsTonePlaying(Call call, boolean isTonePlaying) {
         Log.i(this, "setIsTonePlaying; isTonePlaying=%b", isTonePlaying);
         mIsTonePlaying = isTonePlaying;
         mCallAudioModeStateMachine.sendMessageWithArgs(
@@ -634,7 +637,7 @@
                 makeArgsForModeStateMachine());
 
         if (!isTonePlaying && mIsDisconnectedTonePlaying) {
-            mCallsManager.onDisconnectedTonePlaying(false);
+            mCallsManager.onDisconnectedTonePlaying(call, false);
             mIsDisconnectedTonePlaying = false;
         }
     }
@@ -772,20 +775,26 @@
                     possibleConnectingCall = call;
                 }
             }
-            // Prefer a connecting call
-            if (possibleConnectingCall != null) {
-                mForegroundCall = possibleConnectingCall;
+            if (mFeatureFlags.ensureAudioModeUpdatesOnForegroundCallChange()) {
+                // Prefer a connecting call
+                if (possibleConnectingCall != null) {
+                    mForegroundCall = possibleConnectingCall;
+                } else {
+                    // Next, prefer an active or dialing call which is not in the process of being
+                    // disconnected.
+                    mForegroundCall = mActiveDialingOrConnectingCalls
+                            .stream()
+                            .filter(c -> (c.getState() == CallState.ACTIVE
+                                    || c.getState() == CallState.DIALING)
+                                    && !c.isLocallyDisconnecting())
+                            .findFirst()
+                            // If we can't find one, then just fall back to the first one.
+                            .orElse(mActiveDialingOrConnectingCalls.iterator().next());
+                }
             } else {
-                // Next, prefer an active or dialing call which is not in the process of being
-                // disconnected.
-                mForegroundCall = mActiveDialingOrConnectingCalls
-                        .stream()
-                        .filter(c -> (c.getState() == CallState.ACTIVE
-                                || c.getState() == CallState.DIALING)
-                                && !c.isLocallyDisconnecting())
-                        .findFirst()
-                        // If we can't find one, then just fall back to the first one.
-                        .orElse(mActiveDialingOrConnectingCalls.iterator().next());
+                // Legacy (buggy) behavior.
+                mForegroundCall = possibleConnectingCall == null ?
+                        mActiveDialingOrConnectingCalls.iterator().next() : possibleConnectingCall;
             }
         } else if (mRingingCalls.size() > 0) {
             mForegroundCall = mRingingCalls.iterator().next();
@@ -803,17 +812,18 @@
                 mHoldingCalls.stream().map(c -> c.getId()).collect(Collectors.joining(","))
         );
         if (mForegroundCall != oldForegroundCall) {
-            mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+            mCallAudioRouteAdapter.sendMessageWithSessionInfo(
                     CallAudioRouteStateMachine.UPDATE_SYSTEM_AUDIO_ROUTE);
 
-            if (mForegroundCall != null) {
+            if (mForegroundCall != null
+                    && mFeatureFlags.ensureAudioModeUpdatesOnForegroundCallChange()) {
                 // Ensure the voip audio mode for the new foreground call is taken into account.
                 mCallAudioModeStateMachine.sendMessageWithArgs(
                         CallAudioModeStateMachine.FOREGROUND_VOIP_MODE_CHANGE,
                         makeArgsForModeStateMachine());
             }
             mDtmfLocalTonePlayer.onForegroundCallChanged(oldForegroundCall, mForegroundCall);
-            maybePlayHoldTone();
+            maybePlayHoldTone(oldForegroundCall);
         }
     }
 
@@ -916,9 +926,9 @@
             Log.d(this, "Found a disconnected call with tone to play %d.", toneToPlay);
 
             if (toneToPlay != InCallTonePlayer.TONE_INVALID) {
-                boolean didToneStart = mPlayerFactory.createPlayer(toneToPlay).startTone();
+                boolean didToneStart = mPlayerFactory.createPlayer(call, toneToPlay).startTone();
                 if (didToneStart) {
-                    mCallsManager.onDisconnectedTonePlaying(true);
+                    mCallsManager.onDisconnectedTonePlaying(call, true);
                     mIsDisconnectedTonePlaying = true;
                 }
             }
@@ -938,10 +948,11 @@
     /**
      * Determines if a hold tone should be played and then starts or stops it accordingly.
      */
-    private void maybePlayHoldTone() {
+    private void maybePlayHoldTone(Call call) {
         if (shouldPlayHoldTone()) {
             if (mHoldTonePlayer == null) {
-                mHoldTonePlayer = mPlayerFactory.createPlayer(InCallTonePlayer.TONE_CALL_WAITING);
+                mHoldTonePlayer = mPlayerFactory.createPlayer(call,
+                        InCallTonePlayer.TONE_CALL_WAITING);
                 mHoldTonePlayer.startTone();
             }
         } else {
diff --git a/src/com/android/server/telecom/CallAudioModeStateMachine.java b/src/com/android/server/telecom/CallAudioModeStateMachine.java
index 9ad9094..6420f2e 100644
--- a/src/com/android/server/telecom/CallAudioModeStateMachine.java
+++ b/src/com/android/server/telecom/CallAudioModeStateMachine.java
@@ -16,6 +16,8 @@
 
 package com.android.server.telecom;
 
+import android.media.AudioAttributes;
+import android.media.AudioFocusRequest;
 import android.media.AudioManager;
 import android.os.Looper;
 import android.os.Message;
@@ -29,6 +31,7 @@
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.internal.util.State;
 import com.android.internal.util.StateMachine;
+import com.android.server.telecom.flags.FeatureFlags;
 
 public class CallAudioModeStateMachine extends StateMachine {
     /**
@@ -38,11 +41,29 @@
     private LocalLog mLocalLog = new LocalLog(20);
     public static class Factory {
         public CallAudioModeStateMachine create(SystemStateHelper systemStateHelper,
-                AudioManager am) {
-            return new CallAudioModeStateMachine(systemStateHelper, am);
+                AudioManager am, FeatureFlags featureFlags,
+                CallAudioCommunicationDeviceTracker callAudioCommunicationDeviceTracker) {
+            return new CallAudioModeStateMachine(systemStateHelper, am,
+                    featureFlags, callAudioCommunicationDeviceTracker);
         }
     }
 
+    private static final AudioAttributes RING_AUDIO_ATTRIBUTES = new AudioAttributes.Builder()
+            .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
+            .setLegacyStreamType(AudioManager.STREAM_RING)
+            .build();
+    public static final AudioFocusRequest RING_AUDIO_FOCUS_REQUEST = new AudioFocusRequest
+            .Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT)
+            .setAudioAttributes(RING_AUDIO_ATTRIBUTES).build();
+
+    private static final AudioAttributes CALL_AUDIO_ATTRIBUTES = new AudioAttributes.Builder()
+            .setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION)
+            .setLegacyStreamType(AudioManager.STREAM_VOICE_CALL)
+            .build();
+    public static final AudioFocusRequest CALL_AUDIO_FOCUS_REQUEST = new AudioFocusRequest
+            .Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT)
+            .setAudioAttributes(CALL_AUDIO_ATTRIBUTES).build();
+
     public static class MessageArgs {
         public boolean hasActiveOrDialingCalls;
         public boolean hasRingingCalls;
@@ -212,6 +233,8 @@
     public static final String STREAMING_STATE_NAME = StreamingFocusState.class.getSimpleName();
     public static final String COMMS_STATE_NAME = VoipCallFocusState.class.getSimpleName();
 
+    private AudioFocusRequest mCurrentAudioFocusRequest = null;
+
     private class BaseState extends State {
         @Override
         public boolean processMessage(Message msg) {
@@ -256,8 +279,23 @@
             Log.i(LOG_TAG, "Audio focus entering UNFOCUSED state");
             mLocalLog.log("Enter UNFOCUSED");
             if (mIsInitialized) {
-                mCallAudioManager.setCallAudioRouteFocusState(CallAudioRouteStateMachine.NO_FOCUS);
-                mAudioManager.setMode(AudioManager.MODE_NORMAL);
+                // Clear any communication device that was requested previously.
+                // Todo: Remove once clearCommunicationDeviceAfterAudioOpsComplete is
+                // completely rolled out.
+                if (mFeatureFlags.callAudioCommunicationDeviceRefactor()
+                        && !mFeatureFlags.clearCommunicationDeviceAfterAudioOpsComplete()) {
+                    mCommunicationDeviceTracker.clearCommunicationDevice(mCommunicationDeviceTracker
+                            .getCurrentLocallyRequestedCommunicationDevice());
+                }
+                if (mFeatureFlags.setAudioModeBeforeAbandonFocus()) {
+                    mAudioManager.setMode(AudioManager.MODE_NORMAL);
+                    mCallAudioManager.setCallAudioRouteFocusState(
+                            CallAudioRouteStateMachine.NO_FOCUS);
+                } else {
+                    mCallAudioManager.setCallAudioRouteFocusState(
+                            CallAudioRouteStateMachine.NO_FOCUS);
+                    mAudioManager.setMode(AudioManager.MODE_NORMAL);
+                }
                 mLocalLog.log("Mode MODE_NORMAL");
                 mMostRecentMode = AudioManager.MODE_NORMAL;
                 // Don't release focus here -- wait until we get a signal that any other audio
@@ -310,7 +348,20 @@
                     return HANDLED;
                 case AUDIO_OPERATIONS_COMPLETE:
                     Log.i(LOG_TAG, "Abandoning audio focus: now UNFOCUSED");
-                    mAudioManager.abandonAudioFocusForCall();
+                    if (mFeatureFlags.telecomResolveHiddenDependencies()) {
+                        if (mCurrentAudioFocusRequest != null) {
+                            mAudioManager.abandonAudioFocusRequest(mCurrentAudioFocusRequest);
+                            mCurrentAudioFocusRequest = null;
+                        }
+                    } else {
+                        mAudioManager.abandonAudioFocusForCall();
+                    }
+                    // Clear requested communication device after the call ends.
+                    if (mFeatureFlags.clearCommunicationDeviceAfterAudioOpsComplete()) {
+                        mCommunicationDeviceTracker.clearCommunicationDevice(
+                                mCommunicationDeviceTracker
+                                        .getCurrentLocallyRequestedCommunicationDevice());
+                    }
                     return HANDLED;
                 default:
                     // The forced focus switch commands are handled by BaseState.
@@ -381,7 +432,14 @@
                     return HANDLED;
                 case AUDIO_OPERATIONS_COMPLETE:
                     Log.i(LOG_TAG, "Abandoning audio focus: now AUDIO_PROCESSING");
-                    mAudioManager.abandonAudioFocusForCall();
+                    if (mFeatureFlags.telecomResolveHiddenDependencies()) {
+                        if (mCurrentAudioFocusRequest != null) {
+                            mAudioManager.abandonAudioFocusRequest(mCurrentAudioFocusRequest);
+                            mCurrentAudioFocusRequest = null;
+                        }
+                    } else {
+                        mAudioManager.abandonAudioFocusForCall();
+                    }
                     return HANDLED;
                 default:
                     // The forced focus switch commands are handled by BaseState.
@@ -406,8 +464,13 @@
                 }
 
                 if (mCallAudioManager.startRinging()) {
-                    mAudioManager.requestAudioFocusForCall(
-                        AudioManager.STREAM_RING, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+                    if (mFeatureFlags.telecomResolveHiddenDependencies()) {
+                        mCurrentAudioFocusRequest = RING_AUDIO_FOCUS_REQUEST;
+                        mAudioManager.requestAudioFocus(RING_AUDIO_FOCUS_REQUEST);
+                    } else {
+                        mAudioManager.requestAudioFocusForCall(
+                                AudioManager.STREAM_RING, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+                    }
                     // Do not set MODE_RINGTONE if we were previously in the CALL_SCREENING mode --
                     // this trips up the audio system.
                     if (mAudioManager.getMode() != AudioManager.MODE_CALL_SCREENING) {
@@ -504,8 +567,13 @@
         public void enter() {
             Log.i(LOG_TAG, "Audio focus entering SIM CALL state");
             mLocalLog.log("Enter SIM_CALL");
-            mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL,
-                    AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+            if (mFeatureFlags.telecomResolveHiddenDependencies()) {
+                mCurrentAudioFocusRequest = CALL_AUDIO_FOCUS_REQUEST;
+                mAudioManager.requestAudioFocus(CALL_AUDIO_FOCUS_REQUEST);
+            } else {
+                mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL,
+                        AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+            }
             mAudioManager.setMode(AudioManager.MODE_IN_CALL);
             mLocalLog.log("Mode MODE_IN_CALL");
             mMostRecentMode = AudioManager.MODE_IN_CALL;
@@ -587,8 +655,13 @@
         public void enter() {
             Log.i(LOG_TAG, "Audio focus entering VOIP CALL state");
             mLocalLog.log("Enter VOIP_CALL");
-            mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL,
-                    AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+            if (mFeatureFlags.telecomResolveHiddenDependencies()) {
+                mCurrentAudioFocusRequest = CALL_AUDIO_FOCUS_REQUEST;
+                mAudioManager.requestAudioFocus(CALL_AUDIO_FOCUS_REQUEST);
+            } else {
+                mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL,
+                        AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+            }
             mAudioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
             mLocalLog.log("Mode MODE_IN_COMMUNICATION");
             mMostRecentMode = AudioManager.MODE_IN_COMMUNICATION;
@@ -670,12 +743,12 @@
             mAudioManager.setMode(AudioManager.MODE_COMMUNICATION_REDIRECT);
             mMostRecentMode = AudioManager.MODE_NORMAL;
             mCallAudioManager.setCallAudioRouteFocusState(CallAudioRouteStateMachine.ACTIVE_FOCUS);
-            mCallAudioManager.getCallAudioRouteStateMachine().sendMessageWithSessionInfo(
+            mCallAudioManager.getCallAudioRouteAdapter().sendMessageWithSessionInfo(
                     CallAudioRouteStateMachine.STREAMING_FORCE_ENABLED);
         }
 
         private void preExit() {
-            mCallAudioManager.getCallAudioRouteStateMachine().sendMessageWithSessionInfo(
+            mCallAudioManager.getCallAudioRouteAdapter().sendMessageWithSessionInfo(
                     CallAudioRouteStateMachine.STREAMING_FORCE_DISABLED);
         }
 
@@ -742,8 +815,13 @@
         public void enter() {
             Log.i(LOG_TAG, "Audio focus entering TONE/HOLDING state");
             mLocalLog.log("Enter TONE/HOLDING");
-            mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL,
-                    AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+            if (mFeatureFlags.telecomResolveHiddenDependencies()) {
+                mCurrentAudioFocusRequest = CALL_AUDIO_FOCUS_REQUEST;
+                mAudioManager.requestAudioFocus(CALL_AUDIO_FOCUS_REQUEST);
+            } else {
+                mAudioManager.requestAudioFocusForCall(AudioManager.STREAM_VOICE_CALL,
+                        AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+            }
             mAudioManager.setMode(mMostRecentMode);
             mLocalLog.log("Mode " + mMostRecentMode);
             mCallAudioManager.setCallAudioRouteFocusState(CallAudioRouteStateMachine.ACTIVE_FOCUS);
@@ -815,16 +893,21 @@
     private final AudioManager mAudioManager;
     private final SystemStateHelper mSystemStateHelper;
     private CallAudioManager mCallAudioManager;
+    private FeatureFlags mFeatureFlags;
+    private CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
 
     private int mMostRecentMode;
     private boolean mIsInitialized = false;
 
     public CallAudioModeStateMachine(SystemStateHelper systemStateHelper,
-            AudioManager audioManager) {
+            AudioManager audioManager, FeatureFlags featureFlags,
+            CallAudioCommunicationDeviceTracker callAudioCommunicationDeviceTracker) {
         super(CallAudioModeStateMachine.class.getSimpleName());
         mAudioManager = audioManager;
         mSystemStateHelper = systemStateHelper;
         mMostRecentMode = AudioManager.MODE_NORMAL;
+        mFeatureFlags = featureFlags;
+        mCommunicationDeviceTracker = callAudioCommunicationDeviceTracker;
 
         createStates();
     }
@@ -833,11 +916,14 @@
      * Used for testing
      */
     public CallAudioModeStateMachine(SystemStateHelper systemStateHelper,
-            AudioManager audioManager, Looper looper) {
+            AudioManager audioManager, Looper looper, FeatureFlags featureFlags,
+            CallAudioCommunicationDeviceTracker communicationDeviceTracker) {
         super(CallAudioModeStateMachine.class.getSimpleName(), looper);
         mAudioManager = audioManager;
         mSystemStateHelper = systemStateHelper;
         mMostRecentMode = AudioManager.MODE_NORMAL;
+        mFeatureFlags = featureFlags;
+        mCommunicationDeviceTracker = communicationDeviceTracker;
 
         createStates();
     }
diff --git a/src/com/android/server/telecom/CallAudioRouteAdapter.java b/src/com/android/server/telecom/CallAudioRouteAdapter.java
new file mode 100644
index 0000000..7f7b43c
--- /dev/null
+++ b/src/com/android/server/telecom/CallAudioRouteAdapter.java
@@ -0,0 +1,19 @@
+package com.android.server.telecom;
+
+import android.os.Handler;
+import android.telecom.CallAudioState;
+
+import com.android.internal.util.IndentingPrintWriter;
+
+public interface CallAudioRouteAdapter {
+    void initialize();
+    void sendMessageWithSessionInfo(int message);
+    void sendMessageWithSessionInfo(int message, int arg);
+    void sendMessageWithSessionInfo(int message, int arg, String data);
+    void sendMessage(int message, Runnable r);
+    void setCallAudioManager(CallAudioManager callAudioManager);
+    CallAudioState getCurrentCallAudioState();
+    boolean isHfpDeviceAvailable();
+    Handler getAdapterHandler();
+    void dump(IndentingPrintWriter pw);
+}
diff --git a/src/com/android/server/telecom/CallAudioRouteController.java b/src/com/android/server/telecom/CallAudioRouteController.java
new file mode 100644
index 0000000..f8c49bb
--- /dev/null
+++ b/src/com/android/server/telecom/CallAudioRouteController.java
@@ -0,0 +1,64 @@
+package com.android.server.telecom;
+
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Looper;
+import android.telecom.CallAudioState;
+
+import com.android.internal.util.IndentingPrintWriter;
+
+public class CallAudioRouteController implements CallAudioRouteAdapter {
+    private Handler mHandler;
+
+    public CallAudioRouteController() {
+        HandlerThread handlerThread = new HandlerThread(this.getClass().getSimpleName());
+        handlerThread.start();
+        mHandler = new Handler(handlerThread.getLooper());
+    }
+    @Override
+    public void initialize() {
+    }
+
+    @Override
+    public void sendMessageWithSessionInfo(int message) {
+    }
+
+    @Override
+    public void sendMessageWithSessionInfo(int message, int arg) {
+
+    }
+
+    @Override
+    public void sendMessageWithSessionInfo(int message, int arg, String data) {
+
+    }
+
+    @Override
+    public void sendMessage(int message, Runnable r) {
+
+    }
+
+    @Override
+    public void setCallAudioManager(CallAudioManager callAudioManager) {
+    }
+
+    @Override
+    public CallAudioState getCurrentCallAudioState() {
+        return null;
+    }
+
+    @Override
+    public boolean isHfpDeviceAvailable() {
+        return false;
+    }
+
+    @Override
+    public Handler getAdapterHandler() {
+        return mHandler;
+    }
+
+    @Override
+    public void dump(IndentingPrintWriter pw) {
+
+    }
+}
diff --git a/src/com/android/server/telecom/CallAudioRoutePeripheralAdapter.java b/src/com/android/server/telecom/CallAudioRoutePeripheralAdapter.java
index af0757c..8a87c22 100644
--- a/src/com/android/server/telecom/CallAudioRoutePeripheralAdapter.java
+++ b/src/com/android/server/telecom/CallAudioRoutePeripheralAdapter.java
@@ -25,17 +25,17 @@
 public class CallAudioRoutePeripheralAdapter implements WiredHeadsetManager.Listener,
         DockManager.Listener, BluetoothRouteManager.BluetoothStateListener {
 
-    private final CallAudioRouteStateMachine mCallAudioRouteStateMachine;
+    private final CallAudioRouteAdapter mCallAudioAdapter;
     private final BluetoothRouteManager mBluetoothRouteManager;
     private final AsyncRingtonePlayer mRingtonePlayer;
 
     public CallAudioRoutePeripheralAdapter(
-            CallAudioRouteStateMachine callAudioRouteStateMachine,
+            CallAudioRouteAdapter callAudioRouteAdapter,
             BluetoothRouteManager bluetoothManager,
             WiredHeadsetManager wiredHeadsetManager,
             DockManager dockManager,
             AsyncRingtonePlayer ringtonePlayer) {
-        mCallAudioRouteStateMachine = callAudioRouteStateMachine;
+        mCallAudioAdapter = callAudioRouteAdapter;
         mBluetoothRouteManager = bluetoothManager;
         mRingtonePlayer = ringtonePlayer;
 
@@ -60,26 +60,26 @@
 
     @Override
     public void onBluetoothDeviceListChanged() {
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BLUETOOTH_DEVICE_LIST_CHANGED);
     }
 
     @Override
     public void onBluetoothActiveDevicePresent() {
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BT_ACTIVE_DEVICE_PRESENT);
     }
 
     @Override
     public void onBluetoothActiveDeviceGone() {
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BT_ACTIVE_DEVICE_GONE);
     }
 
     @Override
     public void onBluetoothAudioConnected() {
         mRingtonePlayer.updateBtActiveState(true);
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BT_AUDIO_CONNECTED);
     }
 
@@ -87,20 +87,20 @@
     public void onBluetoothAudioConnecting() {
         mRingtonePlayer.updateBtActiveState(false);
         // Pretend like audio is connected when communicating w/ CARSM.
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BT_AUDIO_CONNECTED);
     }
 
     @Override
     public void onBluetoothAudioDisconnected() {
         mRingtonePlayer.updateBtActiveState(false);
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BT_AUDIO_DISCONNECTED);
     }
 
     @Override
     public void onUnexpectedBluetoothStateChange() {
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioAdapter.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.UPDATE_SYSTEM_AUDIO_ROUTE);
     }
 
@@ -111,17 +111,17 @@
     @Override
     public void onWiredHeadsetPluggedInChanged(boolean oldIsPluggedIn, boolean newIsPluggedIn) {
         if (!oldIsPluggedIn && newIsPluggedIn) {
-            mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+            mCallAudioAdapter.sendMessageWithSessionInfo(
                     CallAudioRouteStateMachine.CONNECT_WIRED_HEADSET);
         } else if (oldIsPluggedIn && !newIsPluggedIn){
-            mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+            mCallAudioAdapter.sendMessageWithSessionInfo(
                     CallAudioRouteStateMachine.DISCONNECT_WIRED_HEADSET);
         }
     }
 
     @Override
     public void onDockChanged(boolean isDocked) {
-        mCallAudioRouteStateMachine.sendMessageWithSessionInfo(
+        mCallAudioAdapter.sendMessageWithSessionInfo(
                 isDocked ? CallAudioRouteStateMachine.CONNECT_DOCK
                         : CallAudioRouteStateMachine.DISCONNECT_DOCK
         );
diff --git a/src/com/android/server/telecom/CallAudioRouteStateMachine.java b/src/com/android/server/telecom/CallAudioRouteStateMachine.java
index 2c70d45..c0bb50e 100644
--- a/src/com/android/server/telecom/CallAudioRouteStateMachine.java
+++ b/src/com/android/server/telecom/CallAudioRouteStateMachine.java
@@ -28,6 +28,7 @@
 import android.media.AudioManager;
 import android.media.IAudioService;
 import android.os.Binder;
+import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
 import android.os.RemoteException;
@@ -44,6 +45,7 @@
 import com.android.internal.util.State;
 import com.android.internal.util.StateMachine;
 import com.android.server.telecom.bluetooth.BluetoothRouteManager;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import java.util.Collection;
 import java.util.HashMap;
@@ -72,7 +74,7 @@
  *     from a wired headset
  * mIsMuted: a boolean indicating whether the audio is muted
  */
-public class CallAudioRouteStateMachine extends StateMachine {
+public class CallAudioRouteStateMachine extends StateMachine implements CallAudioRouteAdapter {
 
     public static class Factory {
         public CallAudioRouteStateMachine create(
@@ -84,7 +86,8 @@
                 CallAudioManager.AudioServiceFactory audioServiceFactory,
                 int earpieceControl,
                 Executor asyncTaskExecutor,
-                CallAudioCommunicationDeviceTracker communicationDeviceTracker) {
+                CallAudioCommunicationDeviceTracker communicationDeviceTracker,
+                FeatureFlags featureFlags) {
             return new CallAudioRouteStateMachine(context,
                     callsManager,
                     bluetoothManager,
@@ -93,7 +96,8 @@
                     audioServiceFactory,
                     earpieceControl,
                     asyncTaskExecutor,
-                    communicationDeviceTracker);
+                    communicationDeviceTracker,
+                    featureFlags);
         }
     }
     /** Values for CallAudioRouteStateMachine constructor's earPieceRouting arg. */
@@ -373,8 +377,10 @@
         public void enter() {
             super.enter();
             setSpeakerphoneOn(false);
-            mCommunicationDeviceTracker.setCommunicationDevice(
-                    AudioDeviceInfo.TYPE_BUILTIN_EARPIECE, null);
+            if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                mCommunicationDeviceTracker.setCommunicationDevice(
+                        AudioDeviceInfo.TYPE_BUILTIN_EARPIECE, null);
+            }
             CallAudioState newState = new CallAudioState(mIsMuted, ROUTE_EARPIECE,
                     mAvailableRoutes, null,
                     mBluetoothRouteManager.getConnectedDevices());
@@ -405,8 +411,10 @@
                 case SWITCH_BLUETOOTH:
                 case USER_SWITCH_BLUETOOTH:
                     if ((mAvailableRoutes & ROUTE_BLUETOOTH) != 0) {
-                        mCommunicationDeviceTracker.clearCommunicationDevice(
-                                AudioDeviceInfo.TYPE_BUILTIN_EARPIECE);
+                        if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                            mCommunicationDeviceTracker.clearCommunicationDevice(
+                                    AudioDeviceInfo.TYPE_BUILTIN_EARPIECE);
+                        }
                         if (mAudioFocusType == ACTIVE_FOCUS
                                 || mBluetoothRouteManager.isInbandRingingEnabled()) {
                             String address = (msg.obj instanceof SomeArgs) ?
@@ -423,8 +431,10 @@
                 case SWITCH_HEADSET:
                 case USER_SWITCH_HEADSET:
                     if ((mAvailableRoutes & ROUTE_WIRED_HEADSET) != 0) {
-                        mCommunicationDeviceTracker.clearCommunicationDevice(
-                                AudioDeviceInfo.TYPE_BUILTIN_EARPIECE);
+                        if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                            mCommunicationDeviceTracker.clearCommunicationDevice(
+                                    AudioDeviceInfo.TYPE_BUILTIN_EARPIECE);
+                        }
                         transitionTo(mActiveHeadsetRoute);
                     } else {
                         Log.w(this, "Ignoring switch to headset command. Not available.");
@@ -434,8 +444,10 @@
                     // fall through; we want to switch to speaker mode when docked and in a call.
                 case SWITCH_SPEAKER:
                 case USER_SWITCH_SPEAKER:
-                    mCommunicationDeviceTracker.clearCommunicationDevice(
-                            AudioDeviceInfo.TYPE_BUILTIN_EARPIECE);
+                    if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                        mCommunicationDeviceTracker.clearCommunicationDevice(
+                                AudioDeviceInfo.TYPE_BUILTIN_EARPIECE);
+                    }
                     setSpeakerphoneOn(true);
                     // fall through
                 case SPEAKER_ON:
@@ -589,8 +601,10 @@
         public void enter() {
             super.enter();
             setSpeakerphoneOn(false);
-            mCommunicationDeviceTracker.setCommunicationDevice(
-                    AudioDeviceInfo.TYPE_WIRED_HEADSET, null);
+            if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                mCommunicationDeviceTracker.setCommunicationDevice(
+                        AudioDeviceInfo.TYPE_WIRED_HEADSET, null);
+            }
             CallAudioState newState = new CallAudioState(mIsMuted, ROUTE_WIRED_HEADSET,
                     mAvailableRoutes, null, mBluetoothRouteManager.getConnectedDevices());
             setSystemAudioState(newState, true);
@@ -612,8 +626,10 @@
                 case SWITCH_EARPIECE:
                 case USER_SWITCH_EARPIECE:
                     if ((mAvailableRoutes & ROUTE_EARPIECE) != 0) {
-                        mCommunicationDeviceTracker.clearCommunicationDevice(
-                                AudioDeviceInfo.TYPE_WIRED_HEADSET);
+                        if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                            mCommunicationDeviceTracker.clearCommunicationDevice(
+                                    AudioDeviceInfo.TYPE_WIRED_HEADSET);
+                        }
                         transitionTo(mActiveEarpieceRoute);
                     } else {
                         Log.w(this, "Ignoring switch to earpiece command. Not available.");
@@ -629,8 +645,10 @@
                                 || mBluetoothRouteManager.isInbandRingingEnabled()) {
                             String address = (msg.obj instanceof SomeArgs) ?
                                     (String) ((SomeArgs) msg.obj).arg2 : null;
-                            mCommunicationDeviceTracker.clearCommunicationDevice(
-                                    AudioDeviceInfo.TYPE_WIRED_HEADSET);
+                            if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                                mCommunicationDeviceTracker.clearCommunicationDevice(
+                                        AudioDeviceInfo.TYPE_WIRED_HEADSET);
+                            }
                             // Omit transition to ActiveBluetoothRoute until actual connection.
                             setBluetoothOn(address);
                         } else {
@@ -647,8 +665,10 @@
                     return HANDLED;
                 case SWITCH_SPEAKER:
                 case USER_SWITCH_SPEAKER:
-                    mCommunicationDeviceTracker.clearCommunicationDevice(
-                            AudioDeviceInfo.TYPE_WIRED_HEADSET);
+                    if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                        mCommunicationDeviceTracker.clearCommunicationDevice(
+                                AudioDeviceInfo.TYPE_WIRED_HEADSET);
+                    }
                     setSpeakerphoneOn(true);
                     // fall through
                 case SPEAKER_ON:
@@ -816,7 +836,12 @@
             // the BT connection fails to be set. Previously, the logic was to setBluetoothOn in
             // ACTIVE_FOCUS but the route would still remain in a quiescent route, so instead we
             // should be transitioning directly into the active route.
-            setBluetoothOn(null);
+            if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                setBluetoothOn(null);
+            }
+            if (mFeatureFlags.updateRouteMaskWhenBtConnected()) {
+                mAvailableRoutes |= ROUTE_BLUETOOTH;
+            }
             CallAudioState newState = new CallAudioState(mIsMuted, ROUTE_BLUETOOTH,
                     mAvailableRoutes, mBluetoothRouteManager.getBluetoothAudioConnectedDevice(),
                     mBluetoothRouteManager.getConnectedDevices());
@@ -917,8 +942,13 @@
                 case SWITCH_FOCUS:
                     if (msg.arg1 == NO_FOCUS) {
                         // Only disconnect audio here instead of routing away from BT entirely.
-                        mBluetoothRouteManager.disconnectAudio();
-                        transitionTo(mQuiescentBluetoothRoute);
+                        if (mFeatureFlags.transitRouteBeforeAudioDisconnectBt()) {
+                            transitionTo(mQuiescentBluetoothRoute);
+                            mBluetoothRouteManager.disconnectAudio();
+                        } else {
+                            mBluetoothRouteManager.disconnectAudio();
+                            reinitialize();
+                        }
                         mCallAudioManager.notifyAudioOperationsComplete();
                     } else if (msg.arg1 == RINGING_FOCUS
                             && !mBluetoothRouteManager.isInbandRingingEnabled()) {
@@ -1043,6 +1073,9 @@
         public void enter() {
             super.enter();
             mHasUserExplicitlyLeftBluetooth = false;
+            if (mFeatureFlags.resetMuteWhenEnteringQuiescentBtRoute()) {
+                setMuteOn(false);
+            }
             updateInternalCallAudioState();
         }
 
@@ -1091,7 +1124,11 @@
                     if (msg.arg1 == ACTIVE_FOCUS) {
                         // It is possible that the connection to BT will fail while in-call, in
                         // which case, we want to transition into the active route.
-                        transitionTo(mActiveBluetoothRoute);
+                        if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                            transitionTo(mActiveBluetoothRoute);
+                        } else {
+                            setBluetoothOn(null);
+                        }
                     } else if (msg.arg1 == RINGING_FOCUS) {
                         if (mBluetoothRouteManager.isInbandRingingEnabled()) {
                             setBluetoothOn(null);
@@ -1547,6 +1584,7 @@
 
     private CallAudioManager mCallAudioManager;
     private CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
+    private FeatureFlags mFeatureFlags;
 
     public CallAudioRouteStateMachine(
             Context context,
@@ -1557,7 +1595,8 @@
             CallAudioManager.AudioServiceFactory audioServiceFactory,
             int earpieceControl,
             Executor asyncTaskExecutor,
-            CallAudioCommunicationDeviceTracker communicationDeviceTracker) {
+            CallAudioCommunicationDeviceTracker communicationDeviceTracker,
+            FeatureFlags featureFlags) {
         super(NAME);
         mContext = context;
         mCallsManager = callsManager;
@@ -1569,6 +1608,7 @@
         mLock = callsManager.getLock();
         mAsyncTaskExecutor = asyncTaskExecutor;
         mCommunicationDeviceTracker = communicationDeviceTracker;
+        mFeatureFlags = featureFlags;
         createStates(earpieceControl);
     }
 
@@ -1581,7 +1621,8 @@
             StatusBarNotifier statusBarNotifier,
             CallAudioManager.AudioServiceFactory audioServiceFactory,
             int earpieceControl, Looper looper, Executor asyncTaskExecutor,
-            CallAudioCommunicationDeviceTracker communicationDeviceTracker) {
+            CallAudioCommunicationDeviceTracker communicationDeviceTracker,
+            FeatureFlags featureFlags) {
         super(NAME, looper);
         mContext = context;
         mCallsManager = callsManager;
@@ -1593,7 +1634,7 @@
         mLock = callsManager.getLock();
         mAsyncTaskExecutor = asyncTaskExecutor;
         mCommunicationDeviceTracker = communicationDeviceTracker;
-
+        mFeatureFlags = featureFlags;
         createStates(earpieceControl);
     }
 
@@ -1710,6 +1751,11 @@
         sendMessage(message, arg, 0, args);
     }
 
+    @Override
+    public void sendMessage(int message, Runnable r) {
+        super.sendMessage(message, r);
+    }
+
     /**
      * This is for state-independent changes in audio route (i.e. muting or runnables)
      * @param msg that couldn't be handled.
@@ -1739,9 +1785,19 @@
                 }
                 return;
             case UPDATE_SYSTEM_AUDIO_ROUTE:
-                updateInternalCallAudioState();
-                updateRouteForForegroundCall();
-                resendSystemAudioState();
+                if (mFeatureFlags.availableRoutesNeverUpdatedAfterSetSystemAudioState()) {
+                    // Ensure available routes is updated.
+                    updateRouteForForegroundCall();
+                    // Ensure current audio state gets updated to take this into account.
+                    updateInternalCallAudioState();
+                    // Either resend the current audio state as it stands, or update to reflect any
+                    // changes put into place based on mAvailableRoutes
+                    setSystemAudioState(mCurrentCallAudioState, true);
+                } else {
+                    updateInternalCallAudioState();
+                    updateRouteForForegroundCall();
+                    resendSystemAudioState();
+                }
                 return;
             case RUN_RUNNABLE:
                 java.lang.Runnable r = (java.lang.Runnable) msg.obj;
@@ -1766,7 +1822,7 @@
     }
 
     public void dumpPendingMessages(IndentingPrintWriter pw) {
-        getHandler().getLooper().dump(pw::println, "");
+        getAdapterHandler().getLooper().dump(pw::println, "");
     }
 
     public boolean isHfpDeviceAvailable() {
@@ -1779,12 +1835,16 @@
         // These APIs are all via two-way binder calls so can potentially block Telecom.  Since none
         // of this has to happen in the Telecom lock we'll offload it to the async executor.
         boolean speakerOn = false;
-        if (on) {
-            speakerOn = mCommunicationDeviceTracker.setCommunicationDevice(
-                    AudioDeviceInfo.TYPE_BUILTIN_SPEAKER, null);
+        if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+            if (on) {
+                speakerOn = mCommunicationDeviceTracker.setCommunicationDevice(
+                        AudioDeviceInfo.TYPE_BUILTIN_SPEAKER, null);
+            } else {
+                mCommunicationDeviceTracker.clearCommunicationDevice(
+                        AudioDeviceInfo.TYPE_BUILTIN_SPEAKER);
+            }
         } else {
-            mCommunicationDeviceTracker.clearCommunicationDevice(
-                    AudioDeviceInfo.TYPE_BUILTIN_SPEAKER);
+            speakerOn = processLegacySpeakerCommunicationDevice(on);
         }
         mStatusBarNotifier.notifySpeakerphone(hasAnyCalls && speakerOn);
     }
@@ -1884,6 +1944,11 @@
         setSystemAudioState(mLastKnownCallAudioState, true);
     }
 
+    @VisibleForTesting
+    public CallAudioState getLastKnownCallAudioState() {
+        return mLastKnownCallAudioState;
+    }
+
     private void setSystemAudioState(CallAudioState newCallAudioState, boolean force) {
         synchronized (mLock) {
             Log.i(this, "setSystemAudioState: changing from %s to %s", mLastKnownCallAudioState,
@@ -2001,6 +2066,58 @@
         return false;
     }
 
+    private boolean isWatchActiveOrOnlyWatchesAvailable() {
+        if (!mFeatureFlags.ignoreAutoRouteToWatchDevice()) {
+            Log.i(this, "isWatchActiveOrOnlyWatchesAvailable: Flag is disabled.");
+            return false;
+        }
+
+        boolean containsWatchDevice = false;
+        boolean containsNonWatchDevice = false;
+        Collection<BluetoothDevice> connectedBtDevices =
+                mBluetoothRouteManager.getConnectedDevices();
+
+        for (BluetoothDevice connectedDevice: connectedBtDevices) {
+            if (mBluetoothRouteManager.isWatch(connectedDevice)) {
+                containsWatchDevice = true;
+            } else {
+                containsNonWatchDevice = true;
+            }
+        }
+
+        // Don't ignore switch if watch is already the active device.
+        boolean isActiveDeviceWatch = mBluetoothRouteManager.isWatch(
+                mBluetoothRouteManager.getBluetoothAudioConnectedDevice());
+        Log.i(this, "isWatchActiveOrOnlyWatchesAvailable: contains watch: %s, contains "
+                + "non-wearable device: %s, is active device a watch: %s.",
+                containsWatchDevice, containsNonWatchDevice, isActiveDeviceWatch);
+        return containsWatchDevice && !containsNonWatchDevice && !isActiveDeviceWatch;
+    }
+
+    private boolean processLegacySpeakerCommunicationDevice(boolean on) {
+        AudioDeviceInfo speakerDevice = null;
+        for (AudioDeviceInfo info : mAudioManager.getAvailableCommunicationDevices()) {
+            if (info.getType() == AudioDeviceInfo.TYPE_BUILTIN_SPEAKER) {
+                speakerDevice = info;
+                break;
+            }
+        }
+        boolean speakerOn = false;
+        if (speakerDevice != null && on) {
+            boolean result = mAudioManager.setCommunicationDevice(speakerDevice);
+            if (result) {
+                speakerOn = true;
+            }
+        } else {
+            AudioDeviceInfo curDevice = mAudioManager.getCommunicationDevice();
+            if (curDevice != null
+                    && curDevice.getType() == AudioDeviceInfo.TYPE_BUILTIN_SPEAKER) {
+                mAudioManager.clearCommunicationDevice();
+            }
+        }
+        return speakerOn;
+    }
+
     private int calculateBaselineRouteMessage(boolean isExplicitUserRequest,
             boolean includeBluetooth) {
         boolean isSkipEarpiece = false;
@@ -2013,7 +2130,7 @@
         }
         if ((mAvailableRoutes & ROUTE_BLUETOOTH) != 0
                 && !mHasUserExplicitlyLeftBluetooth
-                && includeBluetooth) {
+                && includeBluetooth && !isWatchActiveOrOnlyWatchesAvailable()) {
             return isExplicitUserRequest ? USER_SWITCH_BLUETOOTH : SWITCH_BLUETOOTH;
         } else if ((mAvailableRoutes & ROUTE_EARPIECE) != 0 && !isSkipEarpiece) {
             return isExplicitUserRequest ? USER_SWITCH_EARPIECE : SWITCH_EARPIECE;
@@ -2069,4 +2186,8 @@
 
         return base;
     }
+
+    public Handler getAdapterHandler() {
+        return getHandler();
+    }
 }
diff --git a/src/com/android/server/telecom/CallDiagnosticServiceController.java b/src/com/android/server/telecom/CallDiagnosticServiceController.java
index 6c7ee38..1077f0d 100644
--- a/src/com/android/server/telecom/CallDiagnosticServiceController.java
+++ b/src/com/android/server/telecom/CallDiagnosticServiceController.java
@@ -522,7 +522,7 @@
                 callId, messageId, message);
         if (mPlayerFactory != null) {
             // Play that tone!
-            mPlayerFactory.createPlayer(InCallTonePlayer.TONE_IN_CALL_QUALITY_NOTIFICATION)
+            mPlayerFactory.createPlayer(call, InCallTonePlayer.TONE_IN_CALL_QUALITY_NOTIFICATION)
                     .startTone();
         }
         call.displayDiagnosticMessage(messageId, message);
diff --git a/src/com/android/server/telecom/CallIntentProcessor.java b/src/com/android/server/telecom/CallIntentProcessor.java
index 7953324..062c872 100644
--- a/src/com/android/server/telecom/CallIntentProcessor.java
+++ b/src/com/android/server/telecom/CallIntentProcessor.java
@@ -1,6 +1,7 @@
 package com.android.server.telecom;
 
 import com.android.server.telecom.components.ErrorDialogActivity;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import android.content.Context;
 import android.content.Intent;
@@ -32,7 +33,7 @@
 public class CallIntentProcessor {
     public interface Adapter {
         void processOutgoingCallIntent(Context context, CallsManager callsManager,
-                Intent intent, String callingPackage);
+                Intent intent, String callingPackage, FeatureFlags featureFlags);
         void processIncomingCallIntent(CallsManager callsManager, Intent intent);
         void processUnknownCallIntent(CallsManager callsManager, Intent intent);
     }
@@ -45,9 +46,9 @@
 
         @Override
         public void processOutgoingCallIntent(Context context, CallsManager callsManager,
-                Intent intent, String callingPackage) {
+                Intent intent, String callingPackage, FeatureFlags featureFlags) {
             CallIntentProcessor.processOutgoingCallIntent(context, callsManager, intent,
-                    callingPackage, mDefaultDialerCache);
+                    callingPackage, mDefaultDialerCache, featureFlags);
         }
 
         @Override
@@ -73,12 +74,14 @@
     private final Context mContext;
     private final CallsManager mCallsManager;
     private final DefaultDialerCache mDefaultDialerCache;
+    private final FeatureFlags mFeatureFlags;
 
     public CallIntentProcessor(Context context, CallsManager callsManager,
-            DefaultDialerCache defaultDialerCache) {
+            DefaultDialerCache defaultDialerCache, FeatureFlags featureFlags) {
         this.mContext = context;
         this.mCallsManager = callsManager;
         this.mDefaultDialerCache = defaultDialerCache;
+        this.mFeatureFlags = featureFlags;
     }
 
     public void processIntent(Intent intent, String callingPackage) {
@@ -90,7 +93,7 @@
             processUnknownCallIntent(mCallsManager, intent);
         } else {
             processOutgoingCallIntent(mContext, mCallsManager, intent, callingPackage,
-                    mDefaultDialerCache);
+                    mDefaultDialerCache, mFeatureFlags);
         }
         Trace.endSection();
     }
@@ -107,7 +110,8 @@
             CallsManager callsManager,
             Intent intent,
             String callingPackage,
-            DefaultDialerCache defaultDialerCache) {
+            DefaultDialerCache defaultDialerCache,
+            FeatureFlags featureFlags) {
 
         Uri handle = intent.getData();
         String scheme = handle.getScheme();
@@ -182,10 +186,9 @@
         boolean isPrivilegedDialer = defaultDialerCache.isDefaultOrSystemDialer(callingPackage,
                 initiatingUser.getIdentifier());
 
-
         NewOutgoingCallIntentBroadcaster broadcaster = new NewOutgoingCallIntentBroadcaster(
                 context, callsManager, intent, callsManager.getPhoneNumberUtilsAdapter(),
-                isPrivilegedDialer, defaultDialerCache, new MmiUtils());
+                isPrivilegedDialer, defaultDialerCache, new MmiUtils(), featureFlags);
 
         // If the broadcaster comes back with an immediate error, disconnect and show a dialog.
         NewOutgoingCallIntentBroadcaster.CallDisposition disposition = broadcaster.evaluateCall();
diff --git a/src/com/android/server/telecom/CallLogManager.java b/src/com/android/server/telecom/CallLogManager.java
index 72aecac..fc4e05d 100644
--- a/src/com/android/server/telecom/CallLogManager.java
+++ b/src/com/android/server/telecom/CallLogManager.java
@@ -24,6 +24,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.location.Country;
 import android.location.CountryDetector;
@@ -50,6 +51,7 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.server.telecom.callfiltering.CallFilteringResult;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import java.util.Arrays;
 import java.util.Locale;
@@ -75,18 +77,18 @@
     private static class AddCallArgs {
         public AddCallArgs(Context context, CallLog.AddCallParams params,
                 @Nullable LogCallCompletedListener logCallCompletedListener,
-                @NonNull String callId) {
+                @NonNull Call call) {
             this.context = context;
             this.params = params;
             this.logCallCompletedListener = logCallCompletedListener;
-            this.callId = callId;
+            this.call = call;
 
         }
         // Since the members are accessed directly, we don't use the
         // mXxxx notation.
         public final Context context;
         public final CallLog.AddCallParams params;
-        public final String callId;
+        public final Call call;
         @Nullable
         public final LogCallCompletedListener logCallCompletedListener;
     }
@@ -98,9 +100,9 @@
     // a conference was merged successfully
     private static final String REASON_IMS_MERGED_SUCCESSFULLY = "IMS_MERGED_SUCCESSFULLY";
     private static final UUID LOG_CALL_FAILED_ANOMALY_ID =
-            UUID.fromString("1c4c15f3-ab4f-459c-b9ef-43d2988bae82");
+            UUID.fromString("d9b38771-ff36-417b-8723-2363a870c702");
     private static final String LOG_CALL_FAILED_ANOMALY_DESC =
-            "Failed to record a call to the call log.";
+            "Based on the current user, Telecom detected failure to record a call to the call log.";
 
     private final Context mContext;
     private final CarrierConfigManager mCarrierConfigManager;
@@ -117,8 +119,11 @@
     private Object mLock;
     private String mCurrentCountryIso;
 
+    private final FeatureFlags mFeatureFlags;
+
     public CallLogManager(Context context, PhoneAccountRegistrar phoneAccountRegistrar,
-            MissedCallNotifier missedCallNotifier, AnomalyReporterAdapter anomalyReporterAdapter) {
+            MissedCallNotifier missedCallNotifier, AnomalyReporterAdapter anomalyReporterAdapter,
+            FeatureFlags featureFlags) {
         mContext = context;
         mCarrierConfigManager = (CarrierConfigManager) mContext
                 .getSystemService(Context.CARRIER_CONFIG_SERVICE);
@@ -126,6 +131,7 @@
         mMissedCallNotifier = missedCallNotifier;
         mAnomalyReporterAdapter = anomalyReporterAdapter;
         mLock = new Object();
+        mFeatureFlags = featureFlags;
     }
 
     @Override
@@ -164,9 +170,10 @@
      * Call was NOT in the "choose account" phase when disconnected
      * Call is NOT a conference call which had children (unless it was remotely hosted).
      * Call is NOT a child call from a conference which was remotely hosted.
+     * Call has NOT indicated it should be skipped for logging in its extras
      * Call is NOT simulating a single party conference.
      * Call was NOT explicitly canceled, except for disconnecting from a conference.
-     * Call is NOT an external call
+     * Call is NOT an external call or an external call on watch.
      * Call is NOT disconnected because of merging into a conference.
      * Call is NOT a self-managed call OR call is a self-managed call which has indicated it
      * should be logged in its PhoneAccount
@@ -195,6 +202,11 @@
             return false;
         }
 
+        if (mFeatureFlags.telecomSkipLogBasedOnExtra() && call.getExtras() != null
+                && call.getExtras().containsKey(TelecomManager.EXTRA_DO_NOT_LOG_CALL)) {
+            return false;
+        }
+
         // A child call of a conference which was remotely hosted; these didn't originate on this
         // device and should not be logged.
         if (call.getParentCall() != null && call.hasProperty(Connection.PROPERTY_REMOTELY_HOSTED)) {
@@ -215,8 +227,10 @@
                     & Connection.CAPABILITY_DISCONNECT_FROM_CONFERENCE)
                     == Connection.CAPABILITY_DISCONNECT_FROM_CONFERENCE;
         }
-        // An external call
-        if (call.isExternalCall()) {
+        // An external and non-watch call
+        if (call.isExternalCall() && (!mContext.getPackageManager().hasSystemFeature(
+                PackageManager.FEATURE_WATCH)
+                || !mFeatureFlags.telecomLogExternalWearableCalls())) {
             return false;
         }
 
@@ -255,8 +269,13 @@
             logCall(call, type, new LogCallCompletedListener() {
                 @Override
                 public void onLogCompleted(@Nullable Uri uri) {
-                    mMissedCallNotifier.showMissedCallNotification(
-                            new MissedCallNotifier.CallInfo(call));
+                    if (mFeatureFlags.addCallUriForMissedCalls()){
+                        mMissedCallNotifier.showMissedCallNotification(
+                                new MissedCallNotifier.CallInfo(call), uri);
+                    } else {
+                        mMissedCallNotifier.showMissedCallNotification(
+                                new MissedCallNotifier.CallInfo(call), /* uri= */ null);
+                    }
                 }
             }, result);
         } else {
@@ -400,7 +419,7 @@
                 okayToLogCall(accountHandle, logNumber, call.isEmergencyCall());
         if (okayToLog) {
             AddCallArgs args = new AddCallArgs(mContext, paramBuilder.build(),
-                    logCallCompletedListener, call.getId());
+                    logCallCompletedListener, call);
             Log.addEvent(call, LogUtils.Events.LOG_CALL, "number=" + Log.piiHandle(logNumber)
                     + ",postDial=" + Log.piiHandle(call.getPostDialDigits()) + ",pres="
                     + call.getHandlePresentation());
@@ -531,18 +550,16 @@
                 AddCallArgs c = callList[i];
                 mListeners[i] = c.logCallCompletedListener;
                 try {
-                    // May block.
-                    ContentResolver resolver = c.context.getContentResolver();
-                    Pair<Integer, Integer> startStats = getCallLogStats(resolver);
+                    Pair<Integer, Integer> startStats = getCallLogStats(c.call);
                     Log.i(TAG, "LogCall; about to log callId=%s, "
                                     + "startCount=%d, startMaxId=%d",
-                            c.callId, startStats.first, startStats.second);
+                            c.call.getId(), startStats.first, startStats.second);
 
                     result[i] = Calls.addCall(c.context, c.params);
-                    Pair<Integer, Integer> endStats = getCallLogStats(resolver);
+                    Pair<Integer, Integer> endStats = getCallLogStats(c.call);
                     Log.i(TAG, "LogCall; logged callId=%s, uri=%s, "
                                     + "endCount=%d, endMaxId=%s",
-                            c.callId, result, endStats.first, endStats.second);
+                            c.call.getId(), result, endStats.first, endStats.second);
                     if ((endStats.second - startStats.second) <= 0) {
                         // No call was added or even worse we lost a call in the log.  Trigger an
                         // anomaly report.  Note: it technically possible that an app modified the
@@ -560,7 +577,7 @@
                     //
                     // We don't want to crash the whole process just because of that, so just log
                     // it instead.
-                    Log.e(TAG, e, "LogCall: Exception raised adding callId=%s", c.callId);
+                    Log.e(TAG, e, "LogCall: Exception raised adding callId=%s", c.call.getId());
                     result[i] = null;
                     mAnomalyReporterAdapter.reportAnomaly(LOG_CALL_FAILED_ANOMALY_ID,
                             LOG_CALL_FAILED_ANOMALY_DESC);
@@ -645,14 +662,17 @@
      * ID.  There is a limit of 500 entries in the call log for a phone account, so once we hit 500
      * we can reasonably expect that number to not change before and after logging a call.
      * We determine the maximum ID in the call log since this is a way we can objectively check if
-     * the provider did record a call log entry or not.  Ideally there should me more call log
+     * the provider did record a call log entry or not.  Ideally there should be more call log
      * entries after logging than before, and certainly not less.
-     * @param resolver content resolver
      * @return pair with number of rows in the call log and max id.
      */
-    private Pair<Integer, Integer> getCallLogStats(@NonNull ContentResolver resolver) {
+    private Pair<Integer, Integer> getCallLogStats(@NonNull Call call) {
         try {
-            final UserManager userManager = mContext.getSystemService(UserManager.class);
+            // Ensure we query the call log based on the current user.
+            final Context currentUserContext = mContext.createContextAsUser(
+                    call.getAssociatedUser(), /* flags= */ 0);
+            final ContentResolver currentUserResolver = currentUserContext.getContentResolver();
+            final UserManager userManager = currentUserContext.getSystemService(UserManager.class);
             final int currentUserId = userManager.getProcessUserId();
 
             // Use shadow provider based on current user unlock state.
@@ -664,19 +684,16 @@
             }
             int maxCallId = -1;
             int numFound;
-            Cursor countCursor = resolver.query(providerUri,
+            try (Cursor countCursor = currentUserResolver.query(providerUri,
                     new String[]{Calls._ID},
                     null,
                     null,
-                    Calls._ID + " DESC");
-            try {
+                    Calls._ID + " DESC")) {
                 numFound = countCursor.getCount();
                 if (numFound > 0) {
                     countCursor.moveToFirst();
                     maxCallId = countCursor.getInt(0);
                 }
-            } finally {
-                countCursor.close();
             }
             return new Pair<>(numFound, maxCallId);
         } catch (Exception e) {
diff --git a/src/com/android/server/telecom/CallsManager.java b/src/com/android/server/telecom/CallsManager.java
index d89fd7f..6aa9f02 100644
--- a/src/com/android/server/telecom/CallsManager.java
+++ b/src/com/android/server/telecom/CallsManager.java
@@ -73,6 +73,7 @@
 import android.os.Process;
 import android.os.ResultReceiver;
 import android.os.SystemClock;
+import android.os.SystemProperties;
 import android.os.SystemVibrator;
 import android.os.Trace;
 import android.os.UserHandle;
@@ -129,9 +130,11 @@
 import com.android.server.telecom.callfiltering.DirectToVoicemailFilter;
 import com.android.server.telecom.callfiltering.DndCallFilter;
 import com.android.server.telecom.callfiltering.IncomingCallFilterGraph;
+import com.android.server.telecom.callfiltering.IncomingCallFilterGraphProvider;
 import com.android.server.telecom.callredirection.CallRedirectionProcessor;
 import com.android.server.telecom.components.ErrorDialogActivity;
 import com.android.server.telecom.components.TelecomBroadcastReceiver;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.stats.CallFailureCause;
 import com.android.server.telecom.ui.AudioProcessingNotification;
 import com.android.server.telecom.ui.CallRedirectionTimeoutDialogActivity;
@@ -210,7 +213,7 @@
         void onHoldToneRequested(Call call);
         void onExternalCallChanged(Call call, boolean isExternalCall);
         void onCallStreamingStateChanged(Call call, boolean isStreaming);
-        void onDisconnectedTonePlaying(boolean isTonePlaying);
+        void onDisconnectedTonePlaying(Call call, boolean isTonePlaying);
         void onConnectionTimeChanged(Call call);
         void onConferenceStateChanged(Call call, boolean isConference);
         void onCdmaConferenceSwap(Call call);
@@ -286,15 +289,14 @@
     public static final String EXCEPTION_RETRIEVING_PHONE_ACCOUNTS_EMERGENCY_ERROR_MSG =
             "Exception thrown while retrieving list of potential phone accounts when placing an "
                     + "emergency call.";
-    public static final UUID EMERGENCY_CALL_DISCONNECTED_BEFORE_BEING_ADDED_ERROR_UUID =
-            UUID.fromString("f9a916c8-8d61-4550-9ad3-11c2e84f6364");
-    public static final String EMERGENCY_CALL_DISCONNECTED_BEFORE_BEING_ADDED_ERROR_MSG =
-            "An emergency call was disconnected after the connection was created but before the "
-                    + "call was successfully added to CallsManager.";
     public static final UUID EMERGENCY_CALL_ABORTED_NO_PHONE_ACCOUNTS_ERROR_UUID =
             UUID.fromString("2e994acb-1997-4345-8bf3-bad04303de26");
     public static final String EMERGENCY_CALL_ABORTED_NO_PHONE_ACCOUNTS_ERROR_MSG =
             "An emergency call was aborted since there were no available phone accounts.";
+    public static final UUID TELEPHONY_HAS_DEFAULT_BUT_TELECOM_DOES_NOT_UUID =
+            UUID.fromString("0a86157c-50ca-11ee-be56-0242ac120002");
+    public static final String TELEPHONY_HAS_DEFAULT_BUT_TELECOM_DOES_NOT_MSG =
+            "Telephony has a default MO acct but Telecom prompted user for MO";
 
     private static final int[] OUTGOING_CALL_STATES =
             {CallState.CONNECTING, CallState.SELECT_PHONE_ACCOUNT, CallState.DIALING,
@@ -463,6 +465,9 @@
     private final TransactionManager mTransactionManager;
     private final UserManager mUserManager;
     private final CallStreamingNotification mCallStreamingNotification;
+    private final FeatureFlags mFeatureFlags;
+
+    private final IncomingCallFilterGraphProvider mIncomingCallFilterGraphProvider;
 
     private final ConnectionServiceFocusManager.CallsManagerRequester mRequester =
             new ConnectionServiceFocusManager.CallsManagerRequester() {
@@ -577,7 +582,9 @@
             TransactionManager transactionManager,
             EmergencyCallDiagnosticLogger emergencyCallDiagnosticLogger,
             CallAudioCommunicationDeviceTracker communicationDeviceTracker,
-            CallStreamingNotification callStreamingNotification) {
+            CallStreamingNotification callStreamingNotification,
+            FeatureFlags featureFlags,
+            IncomingCallFilterGraphProvider incomingCallFilterGraphProvider) {
 
         mContext = context;
         mLock = lock;
@@ -596,26 +603,32 @@
         mEmergencyCallHelper = emergencyCallHelper;
         mCallerInfoLookupHelper = callerInfoLookupHelper;
         mEmergencyCallDiagnosticLogger = emergencyCallDiagnosticLogger;
+        mIncomingCallFilterGraphProvider = incomingCallFilterGraphProvider;
 
         mDtmfLocalTonePlayer =
                 new DtmfLocalTonePlayer(new DtmfLocalTonePlayer.ToneGeneratorProxy());
-        CallAudioRouteStateMachine callAudioRouteStateMachine =
-                callAudioRouteStateMachineFactory.create(
-                        context,
-                        this,
-                        bluetoothManager,
-                        wiredHeadsetManager,
-                        statusBarNotifier,
-                        audioServiceFactory,
-                        CallAudioRouteStateMachine.EARPIECE_AUTO_DETECT,
-                        asyncCallAudioTaskExecutor,
-                        communicationDeviceTracker
-                );
-        callAudioRouteStateMachine.initialize();
+        CallAudioRouteAdapter callAudioRouteAdapter;
+        if (!featureFlags.useRefactoredAudioRouteSwitching()) {
+            callAudioRouteAdapter = callAudioRouteStateMachineFactory.create(
+                    context,
+                    this,
+                    bluetoothManager,
+                    wiredHeadsetManager,
+                    statusBarNotifier,
+                    audioServiceFactory,
+                    CallAudioRouteStateMachine.EARPIECE_AUTO_DETECT,
+                    asyncCallAudioTaskExecutor,
+                    communicationDeviceTracker,
+                    featureFlags
+            );
+        } else {
+            callAudioRouteAdapter = new CallAudioRouteController();
+        }
+        callAudioRouteAdapter.initialize();
 
         CallAudioRoutePeripheralAdapter callAudioRoutePeripheralAdapter =
                 new CallAudioRoutePeripheralAdapter(
-                        callAudioRouteStateMachine,
+                        callAudioRouteAdapter,
                         bluetoothManager,
                         wiredHeadsetManager,
                         mDockManager,
@@ -643,14 +656,15 @@
                 ringtoneFactory, systemVibrator,
                 new Ringer.VibrationEffectProxy(), mInCallController,
                 mContext.getSystemService(NotificationManager.class),
-                accessibilityManagerAdapter);
+                accessibilityManagerAdapter, featureFlags);
         mCallRecordingTonePlayer = new CallRecordingTonePlayer(mContext, audioManager,
                 mTimeoutsAdapter, mLock);
-        mCallAudioManager = new CallAudioManager(callAudioRouteStateMachine,
+        mCallAudioManager = new CallAudioManager(callAudioRouteAdapter,
                 this, callAudioModeStateMachineFactory.create(systemStateHelper,
-                (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE)),
+                (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE),
+                featureFlags, communicationDeviceTracker),
                 playerFactory, mRinger, new RingbackPlayer(playerFactory),
-                bluetoothStateReceiver, mDtmfLocalTonePlayer);
+                bluetoothStateReceiver, mDtmfLocalTonePlayer, featureFlags);
 
         mConnectionSvrFocusMgr = connectionServiceFocusManagerFactory.create(mRequester);
         mHeadsetMediaButton = headsetMediaButtonFactory.create(context, this, mLock);
@@ -658,7 +672,7 @@
         mProximitySensorManager = proximitySensorManagerFactory.create(context, this);
         mPhoneStateBroadcaster = new PhoneStateBroadcaster(this);
         mCallLogManager = new CallLogManager(context, phoneAccountRegistrar, mMissedCallNotifier,
-                mAnomalyReporter);
+                mAnomalyReporter, featureFlags);
         mConnectionServiceRepository =
                 new ConnectionServiceRepository(mPhoneAccountRegistrar, mContext, mLock, this);
         mInCallWakeLockController = inCallWakeLockControllerFactory.create(context, this);
@@ -670,11 +684,17 @@
         mBlockedNumbersAdapter = blockedNumbersAdapter;
         mCallStreamingController = new CallStreamingController(mContext, mLock);
         mCallStreamingNotification = callStreamingNotification;
+        mFeatureFlags = featureFlags;
 
+        if (mFeatureFlags.useImprovedListenerOrder()) {
+            mListeners.add(mInCallController);
+        }
         mListeners.add(mInCallWakeLockController);
         mListeners.add(statusBarNotifier);
         mListeners.add(mCallLogManager);
-        mListeners.add(mInCallController);
+        if (!mFeatureFlags.useImprovedListenerOrder()) {
+            mListeners.add(mInCallController);
+        }
         mListeners.add(mCallEndpointController);
         mListeners.add(mCallDiagnosticServiceController);
         mListeners.add(mCallAudioManager);
@@ -749,11 +769,14 @@
     @Override
     @VisibleForTesting
     public void onSuccessfulOutgoingCall(Call call, int callState) {
-        Log.v(this, "onSuccessfulOutgoingCall, %s", call);
+        Log.v(this, "onSuccessfulOutgoingCall, call=[%s], state=[%d]", call, callState);
         call.setPostCallPackageName(getRoleManagerAdapter().getDefaultCallScreeningApp(
                 call.getAssociatedUser()));
 
-        setCallState(call, callState, "successful outgoing call");
+        if (!mFeatureFlags.fixAudioFlickerForOutgoingCalls()) {
+            setCallState(call, callState, "successful outgoing call");
+        }
+
         if (!mCalls.contains(call)) {
             // Call was not added previously in startOutgoingCall due to it being a potential MMI
             // code, so add it now.
@@ -765,7 +788,18 @@
             listener.onConnectionServiceChanged(call, null, call.getConnectionService());
         }
 
-        markCallAsDialing(call);
+        if (mFeatureFlags.fixAudioFlickerForOutgoingCalls()) {
+            // Allow the ConnectionService to start the call in the active state. This case is
+            // helpful for conference calls or meetings that can skip the dialing stage.
+            if (callState == CallState.ACTIVE) {
+                setCallState(call, callState, "skipping the dialing state and setting active");
+            } else {
+                markCallAsDialing(call);
+            }
+        }
+        else{
+            markCallAsDialing(call);
+        }
     }
 
     @Override
@@ -784,11 +818,12 @@
                 ? new Bundle()
                 : phoneAccount.getExtras();
         TelephonyManager telephonyManager = getTelephonyManager();
+        boolean performDndFilter = mFeatureFlags.skipFilterPhoneAccountPerformDndFilter();
         if (incomingCall.hasProperty(Connection.PROPERTY_EMERGENCY_CALLBACK_MODE) ||
                 incomingCall.hasProperty(Connection.PROPERTY_NETWORK_IDENTIFIED_EMERGENCY_CALL) ||
                 telephonyManager.isInEmergencySmsMode() ||
                 incomingCall.isSelfManaged() ||
-                extras.getBoolean(PhoneAccount.EXTRA_SKIP_CALL_FILTERING)) {
+                (!performDndFilter && extras.getBoolean(PhoneAccount.EXTRA_SKIP_CALL_FILTERING))) {
             Log.i(this, "Skipping call filtering for %s (ecm=%b, "
                             + "networkIdentifiedEmergencyCall = %b, emergencySmsMode = %b, "
                             + "selfMgd=%b, skipExtra=%b)",
@@ -806,12 +841,27 @@
                     .build(), false);
             incomingCall.setIsUsingCallFiltering(false);
             return;
+        } else if (performDndFilter && extras.getBoolean(PhoneAccount.EXTRA_SKIP_CALL_FILTERING)) {
+            IncomingCallFilterGraph graph = setupDndFilterOnlyGraph(incomingCall);
+            graph.performFiltering();
+            return;
         }
 
         IncomingCallFilterGraph graph = setUpCallFilterGraph(incomingCall);
         graph.performFiltering();
     }
 
+    private IncomingCallFilterGraph setupDndFilterOnlyGraph(Call incomingHfpCall) {
+        incomingHfpCall.setIsUsingCallFiltering(true);
+        DndCallFilter dndCallFilter = new DndCallFilter(incomingHfpCall, mRinger);
+        IncomingCallFilterGraph graph = mIncomingCallFilterGraphProvider.createGraph(
+                incomingHfpCall,
+                this::onCallFilteringComplete, mContext, mTimeoutsAdapter, mLock);
+        graph.addFilter(dndCallFilter);
+        mGraphHandlerThreads.add(graph.getHandlerThread());
+        return graph;
+    }
+
     private IncomingCallFilterGraph setUpCallFilterGraph(Call incomingCall) {
         incomingCall.setIsUsingCallFiltering(true);
         String carrierPackageName = getCarrierPackageName();
@@ -824,7 +874,7 @@
                 mContext.getPackageManager(), packageName);
         ParcelableCallUtils.Converter converter = new ParcelableCallUtils.Converter();
 
-        IncomingCallFilterGraph graph = new IncomingCallFilterGraph(incomingCall,
+        IncomingCallFilterGraph graph = mIncomingCallFilterGraphProvider.createGraph(incomingCall,
                 this::onCallFilteringComplete, mContext, mTimeoutsAdapter, mLock);
         DirectToVoicemailFilter voicemailFilter = new DirectToVoicemailFilter(incomingCall,
                 mCallerInfoLookupHelper);
@@ -991,7 +1041,7 @@
             if (result.shouldShowNotification) {
                 Log.i(this, "onCallScreeningCompleted: blocked call, showing notification.");
                 mMissedCallNotifier.showMissedCallNotification(
-                        new MissedCallNotifier.CallInfo(incomingCall));
+                        new MissedCallNotifier.CallInfo(incomingCall), /* uri= */ null);
             }
         }
     }
@@ -1249,9 +1299,7 @@
     @Override
     public void onHandoverRequested(Call call, PhoneAccountHandle handoverTo, int videoState,
                                     Bundle extras, boolean isLegacy) {
-        if (isLegacy) {
-            requestHandoverViaEvents(call, handoverTo, videoState, extras);
-        } else {
+        if (!isLegacy) {
             requestHandover(call, handoverTo, videoState, extras);
         }
     }
@@ -1304,7 +1352,7 @@
         return mCallAudioManager;
     }
 
-    InCallController getInCallController() {
+    public InCallController getInCallController() {
         return mInCallController;
     }
 
@@ -1433,7 +1481,8 @@
                 false /* forceAttachToExistingConnection */,
                 isConference, /* isConference */
                 mClockProxy,
-                mToastFactory);
+                mToastFactory,
+                mFeatureFlags);
         // Ensure new calls related to self-managed calls/connections are set as such. This will
         // be overridden when the actual connection is returned in startCreateConnection, however
         // doing this now ensures the logs and any other logic will treat this call as self-managed
@@ -1460,7 +1509,10 @@
                 }
             }
             // Incoming address was set via EXTRA_INCOMING_CALL_ADDRESS above.
-            call.setAssociatedUser(phoneAccountHandle.getUserHandle());
+            UserHandle associatedUser = UserUtil.getAssociatedUserForCall(
+                    mFeatureFlags.associatedUserRefactorForWorkProfile(),
+                    getPhoneAccountRegistrar(), getCurrentUserHandle(), phoneAccountHandle);
+            call.setAssociatedUser(associatedUser);
         }
 
         if (phoneAccount != null) {
@@ -1580,15 +1632,19 @@
         // Check if the target phone account is possibly in ECBM.
         call.setIsInECBM(getEmergencyCallHelper()
                 .isLastOutgoingEmergencyCallPAH(call.getTargetPhoneAccount()));
-        // If the phone account user profile is paused or the call isn't visible to the secondary/
-        // guest user, reject the non-emergency incoming call. When the current user is the admin,
-        // we need to allow the calls to go through if the work profile isn't paused. We should
-        // always allow emergency calls and also allow non-emergency calls when ECBM is active for
-        // the phone account.
-        if ((mUserManager.isQuietModeEnabled(call.getAssociatedUser())
-                || (!mUserManager.isUserAdmin(mCurrentUserHandle.getIdentifier())
-                && !isCallVisibleForUser(call, mCurrentUserHandle)))
-                && !call.isEmergencyCall() && !call.isInECBM()) {
+
+        // Check if call is visible to the current user.
+        boolean isCallHiddenFromProfile = !isCallVisibleForUser(call, mCurrentUserHandle);
+        // For admins, we should check if the work profile is paused in order to reject
+        // the call.
+        if (mUserManager.isUserAdmin(mCurrentUserHandle.getIdentifier())) {
+            isCallHiddenFromProfile &= mUserManager.isQuietModeEnabled(
+                call.getAssociatedUser());
+        }
+
+        // We should always allow emergency calls and also allow non-emergency calls when ECBM
+        // is active for the phone account.
+        if (isCallHiddenFromProfile && !call.isEmergencyCall() && !call.isInECBM()) {
             Log.d(TAG, "Rejecting non-emergency call because the owner %s is not running.",
                     phoneAccountHandle.getUserHandle());
             call.setMissedReason(USER_MISSED_NOT_RUNNING);
@@ -1661,11 +1717,15 @@
                 true /* forceAttachToExistingConnection */,
                 false, /* isConference */
                 mClockProxy,
-                mToastFactory);
+                mToastFactory,
+                mFeatureFlags);
         call.initAnalytics();
 
         // For unknown calls, base the associated user off of the target phone account handle.
-        call.setAssociatedUser(phoneAccountHandle.getUserHandle());
+        UserHandle associatedUser = UserUtil.getAssociatedUserForCall(
+                mFeatureFlags.associatedUserRefactorForWorkProfile(),
+                getPhoneAccountRegistrar(), getCurrentUserHandle(), phoneAccountHandle);
+        call.setAssociatedUser(associatedUser);
         setIntentExtrasAndStartTime(call, extras);
         call.addListener(this);
         notifyStartCreateConnection(call);
@@ -1779,7 +1839,8 @@
                     false /* forceAttachToExistingConnection */,
                     isConference, /* isConference */
                     mClockProxy,
-                    mToastFactory);
+                    mToastFactory,
+                    mFeatureFlags);
 
             if (extras.containsKey(TelecomManager.TRANSACTION_CALL_ID_KEY)) {
                 call.setIsTransactionalCall(true);
@@ -2068,6 +2129,21 @@
                                 return CompletableFuture.completedFuture(Pair.create(callToPlace,
                                         accountSuggestions.get(0).getPhoneAccountHandle()));
                             }
+
+                            // At this point Telecom is requesting the user to select a phone
+                            // account. However, Telephony is reporting that the user has a default
+                            // outgoing account (which is denoted by a non-negative subId number).
+                            // At some point, Telecom and Telephony are out of sync with the default
+                            // outgoing calling account.
+                            if(mFeatureFlags.telephonyHasDefaultButTelecomDoesNot()) {
+                                if (SubscriptionManager.getDefaultVoiceSubscriptionId() !=
+                                        SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+                                    mAnomalyReporter.reportAnomaly(
+                                            TELEPHONY_HAS_DEFAULT_BUT_TELECOM_DOES_NOT_UUID,
+                                            TELEPHONY_HAS_DEFAULT_BUT_TELECOM_DOES_NOT_MSG);
+                                }
+                            }
+
                             // This is the state where the user is expected to select an account
                             callToPlace.setState(CallState.SELECT_PHONE_ACCOUNT,
                                     "needs account selection");
@@ -2311,6 +2387,15 @@
 
          PhoneAccountHandle phoneAccountHandle = clientExtras.getParcelable(
                  TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE);
+         PhoneAccount account =
+                mPhoneAccountRegistrar.getPhoneAccount(phoneAccountHandle, initiatingUser);
+         boolean isSelfManaged = account != null && account.isSelfManaged();
+         // Enforce outgoing call restriction for conference calls. This is handled via
+         // UserCallIntentProcessor for normal MO calls.
+         if (UserUtil.hasOutgoingCallsUserRestriction(mContext, initiatingUser,
+                 null, isSelfManaged, CallsManager.class.getCanonicalName())) {
+             return;
+         }
          CompletableFuture<Call> callFuture = startOutgoingCall(participants, phoneAccountHandle,
                  clientExtras, initiatingUser, null/* originalIntent */, callingPackage,
                  true/* isconference*/);
@@ -2887,6 +2972,10 @@
             // from the client via a transaction before answering.
             call.answer(videoState);
         } else {
+            if (!mFeatureFlags.genAnomReportOnFocusTimeout()) {
+                Call activeCall = (Call) mConnectionSvrFocusMgr.getCurrentFocusCall();
+                Log.d(this, "answerCall: Incoming call = %s Ongoing call %s", call, activeCall);
+            }
             // Hold or disconnect the active call and request call focus for the incoming call.
             holdActiveCallForNewCall(call);
             mConnectionSvrFocusMgr.requestFocus(
@@ -3039,9 +3128,8 @@
      * @return {@code true} if the speakerphone should automatically be enabled.
      */
     private static boolean isSpeakerEnabledForVideoCalls() {
-        return TelephonyProperties.videocall_audio_output()
-                .orElse(TelecomManager.AUDIO_OUTPUT_DEFAULT)
-                == TelecomManager.AUDIO_OUTPUT_ENABLE_SPEAKER;
+        return SystemProperties.getInt(TelecomManager.PROPERTY_VIDEOCALL_AUDIO_OUTPUT,
+                TelecomManager.AUDIO_OUTPUT_DEFAULT) == TelecomManager.AUDIO_OUTPUT_ENABLE_SPEAKER;
     }
 
     /**
@@ -3408,7 +3496,7 @@
     }
 
     /** Called by the in-call UI to change the mute state. */
-    void mute(boolean shouldMute) {
+    public void mute(boolean shouldMute) {
         if (isInEmergencyCall() && shouldMute) {
             Log.i(this, "Refusing to turn on mute because we're in an emergency call");
             shouldMute = false;
@@ -3518,14 +3606,15 @@
      * Called when disconnect tone is started or stopped, including any InCallTone
      * after disconnected call.
      *
+     * @param call
      * @param isTonePlaying true if the disconnected tone is started, otherwise the disconnected
-     * tone is stopped.
+     *                      tone is stopped.
      */
     @VisibleForTesting
-    public void onDisconnectedTonePlaying(boolean isTonePlaying) {
+    public void onDisconnectedTonePlaying(Call call, boolean isTonePlaying) {
         Log.v(this, "onDisconnectedTonePlaying, %s", isTonePlaying ? "started" : "stopped");
         for (CallsManagerListener listener : mListeners) {
-            listener.onDisconnectedTonePlaying(isTonePlaying);
+            listener.onDisconnectedTonePlaying(call, isTonePlaying);
         }
     }
 
@@ -3720,11 +3809,6 @@
         // Notify listeners that the call was disconnected before being added to CallsManager.
         // Listeners will not receive onAdded or onRemoved callbacks.
         if (!mCalls.contains(call)) {
-            if (call.isEmergencyCall()) {
-                mAnomalyReporter.reportAnomaly(
-                        EMERGENCY_CALL_DISCONNECTED_BEFORE_BEING_ADDED_ERROR_UUID,
-                        EMERGENCY_CALL_DISCONNECTED_BEFORE_BEING_ADDED_ERROR_MSG);
-            }
             mListeners.forEach(l -> l.onCreateConnectionFailed(call));
         }
 
@@ -4159,7 +4243,8 @@
                 connectTime,
                 connectElapsedTime,
                 mClockProxy,
-                mToastFactory);
+                mToastFactory,
+                mFeatureFlags);
 
         // Unlike connections, conferences are not created first and then notified as create
         // connection complete from the CS.  They originate from the CS and are reported directly to
@@ -4177,7 +4262,10 @@
         call.setStatusHints(parcelableConference.getStatusHints());
         call.putConnectionServiceExtras(parcelableConference.getExtras());
         // For conference calls, set the associated user from the target phone account user handle.
-        call.setAssociatedUser(phoneAccount.getUserHandle());
+        UserHandle associatedUser = UserUtil.getAssociatedUserForCall(
+                mFeatureFlags.associatedUserRefactorForWorkProfile(), getPhoneAccountRegistrar(),
+                getCurrentUserHandle(), phoneAccount);
+        call.setAssociatedUser(associatedUser);
         // In case this Conference was added via a ConnectionManager, keep track of the original
         // Connection ID as created by the originating ConnectionService.
         Bundle extras = parcelableConference.getExtras();
@@ -4463,10 +4551,6 @@
             if (handoverState == HandoverState.HANDOVER_FROM_STARTED) {
                 // Disconnect before handover was accepted.
                 Log.i(this, "setCallState: disconnect before handover accepted");
-                // Let the handover destination know that the source has disconnected prior to
-                // completion of the handover.
-                call.getHandoverDestinationCall().sendCallEvent(
-                        android.telecom.Call.EVENT_HANDOVER_SOURCE_DISCONNECTED, null);
             } else if (handoverState == HandoverState.HANDOVER_ACCEPTED) {
                 Log.i(this, "setCallState: handover from complete");
                 completeHandoverFrom(call);
@@ -4484,11 +4568,9 @@
         // Inform the "from" Call (ie the source call) that the handover from it has
         // completed; this allows the InCallService to be notified that a handover it
         // initiated completed.
-        call.onConnectionEvent(Connection.EVENT_HANDOVER_COMPLETE, null);
         call.onHandoverComplete();
 
         // Inform the "to" ConnectionService that handover to it has completed.
-        handoverTo.sendCallEvent(android.telecom.Call.EVENT_HANDOVER_COMPLETE, null);
         handoverTo.onHandoverComplete();
         answerCall(handoverTo, handoverTo.getVideoState());
         call.markFinishedHandoverStateAndCleanup(HandoverState.HANDOVER_COMPLETE);
@@ -4511,7 +4593,6 @@
         // Inform the "from" Call (ie the source call) that the handover from it has
         // failed; this allows the InCallService to be notified that a handover it
         // initiated failed.
-        handoverFrom.onConnectionEvent(Connection.EVENT_HANDOVER_FAILED, null);
         handoverFrom.onHandoverFailed(android.telecom.Call.Callback.HANDOVER_FAILURE_USER_REJECTED);
 
         // Inform the "to" ConnectionService that handover to it has failed.  This
@@ -4520,7 +4601,6 @@
             // Only attempt if the call has a bound ConnectionService if handover failed
             // early on in the handover process, the CS will be unbound and we won't be
             // able to send the call event.
-            handoverTo.sendCallEvent(android.telecom.Call.EVENT_HANDOVER_FAILED, null);
             handoverTo.getConnectionService().handoverFailed(handoverTo,
                     android.telecom.Call.Callback.HANDOVER_FAILURE_USER_REJECTED);
         }
@@ -5215,7 +5295,8 @@
                 connection.getConnectTimeMillis() /* connectTimeMillis */,
                 connection.getConnectElapsedTimeMillis(), /* connectElapsedTimeMillis */
                 mClockProxy,
-                mToastFactory);
+                mToastFactory,
+                mFeatureFlags);
 
         call.initAnalytics();
         call.getAnalytics().setCreatedFromExistingConnection(true);
@@ -5230,7 +5311,10 @@
                 connection.getCallerDisplayNamePresentation());
         // For existing connections, use the phone account user handle to determine the user
         // association with the call.
-        call.setAssociatedUser(connection.getPhoneAccount().getUserHandle());
+        UserHandle associatedUser = UserUtil.getAssociatedUserForCall(
+                mFeatureFlags.associatedUserRefactorForWorkProfile(), getPhoneAccountRegistrar(),
+                getCurrentUserHandle(), connection.getPhoneAccount());
+        call.setAssociatedUser(associatedUser);
         call.addListener(this);
         call.putConnectionServiceExtras(connection.getExtras());
 
@@ -5455,7 +5539,7 @@
         mCallAudioManager.getCallAudioModeStateMachine().getHandler().post(() -> {
             mainHandlerLatch.countDown();
         });
-        mCallAudioManager.getCallAudioRouteStateMachine().getHandler().post(() -> {
+        mCallAudioManager.getCallAudioRouteAdapter().getAdapterHandler().post(() -> {
             mainHandlerLatch.countDown();
         });
 
@@ -5481,9 +5565,10 @@
             // We are going to place the new outgoing call, so disconnect any ongoing self-managed
             // calls which are ongoing at this time.
             disconnectSelfManagedCalls("outgoing call " + callId);
-
-            mPendingCallConfirm.complete(mPendingCall);
-            mPendingCallConfirm = null;
+            if (mPendingCallConfirm != null) {
+                mPendingCallConfirm.complete(mPendingCall);
+                mPendingCallConfirm = null;
+            }
             mPendingCall = null;
         }
     }
@@ -5502,8 +5587,10 @@
             markCallAsDisconnected(mPendingCall, new DisconnectCause(DisconnectCause.CANCELED));
             markCallAsRemoved(mPendingCall);
             mPendingCall = null;
-            mPendingCallConfirm.complete(null);
-            mPendingCallConfirm = null;
+            if (mPendingCallConfirm != null) {
+                mPendingCallConfirm.complete(null);
+                mPendingCallConfirm = null;
+            }
         }
     }
 
@@ -5743,7 +5830,8 @@
             return;
         }
         ConnectionServiceWrapper service = mConnectionServiceRepository.getService(
-                phoneAccountHandle.getComponentName(), phoneAccountHandle.getUserHandle());
+                phoneAccountHandle.getComponentName(), phoneAccountHandle.getUserHandle(),
+                mFeatureFlags);
         if (service == null) {
             Log.i(this, "Found no connection service.");
             return;
@@ -5768,7 +5856,8 @@
             return;
         }
         ConnectionServiceWrapper service = mConnectionServiceRepository.getService(
-                phoneAccountHandle.getComponentName(), phoneAccountHandle.getUserHandle());
+                phoneAccountHandle.getComponentName(), phoneAccountHandle.getUserHandle(),
+                mFeatureFlags);
         if (service == null) {
             Log.i(this, "Found no connection service.");
             return;
@@ -5805,28 +5894,6 @@
     }
 
     /**
-     * Called in response to a {@link Call} receiving a {@link Call#sendCallEvent(String, Bundle)}
-     * of type {@link android.telecom.Call#EVENT_REQUEST_HANDOVER} indicating the
-     * {@link android.telecom.InCallService} has requested a handover to another
-     * {@link android.telecom.ConnectionService}.
-     *
-     * We will explicitly disallow a handover when there is an emergency call present.
-     *
-     * @param handoverFromCall The {@link Call} to be handed over.
-     * @param handoverToHandle The {@link PhoneAccountHandle} to hand over the call to.
-     * @param videoState The desired video state of {@link Call} after handover.
-     * @param initiatingExtras Extras associated with the handover, to be passed to the handover
-     *               {@link android.telecom.ConnectionService}.
-     */
-    private void requestHandoverViaEvents(Call handoverFromCall,
-                                          PhoneAccountHandle handoverToHandle,
-                                          int videoState, Bundle initiatingExtras) {
-
-        handoverFromCall.sendCallEvent(android.telecom.Call.EVENT_HANDOVER_FAILED, null);
-        Log.addEvent(handoverFromCall, LogUtils.Events.HANDOVER_REQUEST, "legacy request denied");
-    }
-
-    /**
      * Called in response to a {@link Call} receiving a {@link Call#handoverTo(PhoneAccountHandle,
      * int, Bundle)} indicating the {@link android.telecom.InCallService} has requested a
      * handover to another {@link android.telecom.ConnectionService}.
@@ -5872,7 +5939,7 @@
                 handoverFromCall.getHandle(), null,
                 null, null,
                 Call.CALL_DIRECTION_OUTGOING, false,
-                false, mClockProxy, mToastFactory);
+                false, mClockProxy, mToastFactory, mFeatureFlags);
         call.initAnalytics();
 
         // Set self-managed and voipAudioMode if destination is self-managed CS
@@ -6079,7 +6146,8 @@
                 false /* forceAttachToExistingConnection */,
                 false, /* isConference */
                 mClockProxy,
-                mToastFactory);
+                mToastFactory,
+                mFeatureFlags);
 
         if (fromCall == null || isHandoverInProgress() ||
                 !isHandoverFromPhoneAccountSupported(fromCall.getTargetPhoneAccount()) ||
diff --git a/src/com/android/server/telecom/CallsManagerListenerBase.java b/src/com/android/server/telecom/CallsManagerListenerBase.java
index 43f3b90..0c54be3 100644
--- a/src/com/android/server/telecom/CallsManagerListenerBase.java
+++ b/src/com/android/server/telecom/CallsManagerListenerBase.java
@@ -16,10 +16,10 @@
 
 package com.android.server.telecom;
 
-import android.telecom.AudioState;
 import android.telecom.CallAudioState;
 import android.telecom.CallEndpoint;
 import android.telecom.VideoProfile;
+
 import java.util.Set;
 
 /**
@@ -112,7 +112,7 @@
     }
 
     @Override
-    public void onDisconnectedTonePlaying(boolean isTonePlaying) {
+    public void onDisconnectedTonePlaying(Call call, boolean isTonePlaying) {
     }
 
     @Override
diff --git a/src/com/android/server/telecom/ConnectionServiceFocusManager.java b/src/com/android/server/telecom/ConnectionServiceFocusManager.java
index 72cb7c4..35be0f8 100644
--- a/src/com/android/server/telecom/ConnectionServiceFocusManager.java
+++ b/src/com/android/server/telecom/ConnectionServiceFocusManager.java
@@ -30,6 +30,7 @@
 import android.util.Printer;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.server.telecom.flags.Flags;
 import com.android.internal.util.IndentingPrintWriter;
 
 import java.util.ArrayList;
@@ -340,18 +341,23 @@
             if (syncCallFocus != null) {
                 return syncCallFocus.orElse(null);
             } else {
-                Log.w(TAG, "Timed out waiting for synchronous current focus. Returning possibly"
-                        + " inaccurate result. returning currentFocusCall=[%s]", mCurrentFocusCall);
+                if (Flags.genAnomReportOnFocusTimeout()) {
+                    Log.w(TAG, "Timed out waiting for synchronous current focus. Returning possibly"
+                                    + " inaccurate result. returning currentFocusCall=[%s]",
+                            mCurrentFocusCall);
 
-                // dump the state of the handler to better understand the timeout
-                mEventHandler.dump(
-                        new LogPrinter(android.util.Log.INFO, TAG), "CsFocusMgr_timeout");
+                    // dump the state of the handler to better understand the timeout
+                    mEventHandler.dump(
+                            new LogPrinter(android.util.Log.INFO, TAG), "CsFocusMgr_timeout");
 
-                // report the timeout
-                mAnomalyReporter.reportAnomaly(
-                        WATCHDOG_GET_CALL_FOCUS_TIMEOUT_UUID,
-                        WATCHDOG_GET_CALL_FOCUS_TIMEOUT_MSG);
-
+                    // report the timeout
+                    mAnomalyReporter.reportAnomaly(
+                            WATCHDOG_GET_CALL_FOCUS_TIMEOUT_UUID,
+                            WATCHDOG_GET_CALL_FOCUS_TIMEOUT_MSG);
+                } else {
+                    Log.w(TAG, "Timed out waiting for synchronous current focus. Returning possibly"
+                            + " inaccurate result");
+                }
                 return mCurrentFocusCall;
             }
         } catch (InterruptedException e) {
diff --git a/src/com/android/server/telecom/ConnectionServiceRepository.java b/src/com/android/server/telecom/ConnectionServiceRepository.java
index 3991ed5..d6a78d0 100644
--- a/src/com/android/server/telecom/ConnectionServiceRepository.java
+++ b/src/com/android/server/telecom/ConnectionServiceRepository.java
@@ -23,6 +23,7 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.IndentingPrintWriter;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import java.util.HashMap;
 
@@ -61,7 +62,10 @@
     }
 
     @VisibleForTesting
-    public ConnectionServiceWrapper getService(ComponentName componentName, UserHandle userHandle) {
+    public ConnectionServiceWrapper getService(
+            ComponentName componentName,
+            UserHandle userHandle,
+            FeatureFlags featureFlags) {
         Pair<ComponentName, UserHandle> cacheKey = Pair.create(componentName, userHandle);
         ConnectionServiceWrapper service = mServiceCache.get(cacheKey);
         if (service == null) {
@@ -72,7 +76,8 @@
                     mCallsManager,
                     mContext,
                     mLock,
-                    userHandle);
+                    userHandle,
+                    featureFlags);
             service.addListener(mUnbindListener);
             mServiceCache.put(cacheKey, service);
         }
diff --git a/src/com/android/server/telecom/ConnectionServiceWrapper.java b/src/com/android/server/telecom/ConnectionServiceWrapper.java
index de1ecec..5936730 100644
--- a/src/com/android/server/telecom/ConnectionServiceWrapper.java
+++ b/src/com/android/server/telecom/ConnectionServiceWrapper.java
@@ -33,7 +33,6 @@
 import android.os.CancellationSignal;
 import android.os.IBinder;
 import android.os.ParcelFileDescriptor;
-import android.os.Process;
 import android.os.RemoteException;
 import android.os.ResultReceiver;
 import android.os.UserHandle;
@@ -65,19 +64,23 @@
 import com.android.internal.telecom.IVideoProvider;
 import com.android.internal.telecom.RemoteServiceCallback;
 import com.android.internal.util.Preconditions;
+import com.android.server.telecom.flags.FeatureFlags;
+import com.android.server.telecom.flags.Flags;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
-import java.util.Objects;
 
 /**
  * Wrapper for {@link IConnectionService}s, handles binding to {@link IConnectionService} and keeps
@@ -90,9 +93,12 @@
         ConnectionServiceFocusManager.ConnectionServiceFocus {
 
     private static final String TELECOM_ABBREVIATION = "cast";
+    private static final long SERVICE_BINDING_TIMEOUT = 15000L;
     private CompletableFuture<Pair<Integer, Location>> mQueryLocationFuture = null;
     private @Nullable CancellationSignal mOngoingQueryLocationRequest = null;
     private final ExecutorService mQueryLocationExecutor = Executors.newSingleThreadExecutor();
+    private ScheduledExecutorService mScheduledExecutor =
+            Executors.newSingleThreadScheduledExecutor();
 
     private final class Adapter extends IConnectionServiceAdapter.Stub {
 
@@ -520,8 +526,6 @@
                         .validateAccountIconUserBoundary(icon, callingUserHandle));
             }
 
-            if (ConnectionServiceWrapper.this.mIsRemoteConnectionService) return;
-
             if (parcelableConference.getConnectElapsedTimeMillis() != 0
                     && mContext.checkCallingOrSelfPermission(MODIFY_PHONE_STATE)
                             != PackageManager.PERMISSION_GRANTED) {
@@ -936,9 +940,6 @@
         public void addExistingConnection(String callId, ParcelableConnection connection,
                 Session.Info sessionInfo) {
             Log.startSession(sessionInfo, "CSW.aEC", mPackageAbbreviation);
-
-            if (ConnectionServiceWrapper.this.mIsRemoteConnectionService) return;
-
             UserHandle userHandle = Binder.getCallingUserHandle();
             // Check that the Calling Package matches PhoneAccountHandle's Component Package
             PhoneAccountHandle callingPhoneAccountHandle = connection.getPhoneAccount();
@@ -1353,7 +1354,7 @@
     private final CallsManager mCallsManager;
     private final AppOpsManager mAppOpsManager;
     private final Context mContext;
-    public boolean mIsRemoteConnectionService = false;
+    private final FeatureFlags mFlags;
 
     private ConnectionServiceFocusManager.ConnectionServiceFocusListener mConnSvrFocusListener;
 
@@ -1375,8 +1376,10 @@
             CallsManager callsManager,
             Context context,
             TelecomSystem.SyncRoot lock,
-            UserHandle userHandle) {
-        super(ConnectionService.SERVICE_INTERFACE, componentName, context, lock, userHandle);
+            UserHandle userHandle,
+            FeatureFlags featureFlags) {
+        super(ConnectionService.SERVICE_INTERFACE, componentName, context, lock, userHandle,
+                featureFlags);
         mConnectionServiceRepository = connectionServiceRepository;
         phoneAccountRegistrar.addListener(new PhoneAccountRegistrar.Listener() {
             // TODO -- Upon changes to PhoneAccountRegistrar, need to re-wire connections
@@ -1386,6 +1389,7 @@
         mCallsManager = callsManager;
         mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
         mContext = context;
+        mFlags = featureFlags;
     }
 
     /** See {@link IConnectionService#addConnectionServiceAdapter}. */
@@ -1599,7 +1603,22 @@
                         .setParticipants(call.getParticipants())
                         .setIsAdhocConferenceCall(call.isAdhocConferenceCall())
                         .build();
-
+                if (Flags.unbindTimeoutConnections()) {
+                    android.telecom.Logging.Runnable r =
+                            new android.telecom.Logging.Runnable("CSW.cC", mLock) {
+                        @Override
+                        public void loggedRun() {
+                            if (!call.isCreateConnectionComplete()) {
+                                Log.e(this, new Exception(), "Conference %s creation timeout",
+                                        getComponentName());
+                                response.handleCreateConferenceFailure(
+                                        new DisconnectCause(DisconnectCause.ERROR));
+                            }
+                        }
+                    };
+                    mScheduledExecutor.schedule(r.getRunnableToCancel(), SERVICE_BINDING_TIMEOUT,
+                            TimeUnit.MILLISECONDS);
+                }
                 try {
                     mServiceInterface.createConference(
                             call.getConnectionManagerPhoneAccount(),
@@ -1608,7 +1627,6 @@
                             call.shouldAttachToExistingConnection(),
                             call.isUnknown(),
                             Log.getExternalSession(TELECOM_ABBREVIATION));
-
                 } catch (RemoteException e) {
                     Log.e(this, e, "Failure to createConference -- %s", getComponentName());
                     mPendingResponses.remove(callId).handleCreateConferenceFailure(
@@ -1641,6 +1659,7 @@
                     Log.i(ConnectionServiceWrapper.this, "Call not present"
                             + " in call id mapper, maybe it was aborted before the bind"
                             + " completed successfully?");
+
                     response.handleCreateConnectionFailure(
                             new DisconnectCause(DisconnectCause.CANCELED));
                     return;
@@ -1702,6 +1721,23 @@
                         .setRttPipeToInCall(call.getCsToInCallRttPipeForCs())
                         .build();
 
+                if (Flags.unbindTimeoutConnections()) {
+                    android.telecom.Logging.Runnable r =
+                            new android.telecom.Logging.Runnable("CSW.cC", mLock) {
+                                @Override
+                                public void loggedRun() {
+                                    if (!call.isCreateConnectionComplete()) {
+                                        Log.e(this, new Exception(),
+                                                "Connection %s creation timeout",
+                                                getComponentName());
+                                        response.handleCreateConnectionFailure(
+                                                new DisconnectCause(DisconnectCause.ERROR));
+                                    }
+                                }
+                            };
+                    mScheduledExecutor.schedule(r.getRunnableToCancel(), SERVICE_BINDING_TIMEOUT,
+                            TimeUnit.MILLISECONDS);
+                }
                 try {
                     mServiceInterface.createConnection(
                             call.getConnectionManagerPhoneAccount(),
@@ -1710,7 +1746,6 @@
                             call.shouldAttachToExistingConnection(),
                             call.isUnknown(),
                             Log.getExternalSession(TELECOM_ABBREVIATION));
-
                 } catch (RemoteException e) {
                     Log.e(this, e, "Failure to createConnection -- %s", getComponentName());
                     mPendingResponses.remove(callId).handleCreateConnectionFailure(
@@ -2159,7 +2194,8 @@
         }
     }
 
-    void addCall(Call call) {
+    @VisibleForTesting
+    public void addCall(Call call) {
         if (mCallIdMapper.getCallId(call) == null) {
             mCallIdMapper.addCall(call);
         }
@@ -2395,6 +2431,7 @@
         BindCallback callback = new BindCallback() {
             @Override
             public void onSuccess() {
+                if (!isServiceValid("connectionServiceFocusLost")) return;
                 try {
                     mServiceInterface.connectionServiceFocusLost(
                             Log.getExternalSession(TELECOM_ABBREVIATION));
@@ -2414,6 +2451,7 @@
         BindCallback callback = new BindCallback() {
             @Override
             public void onSuccess() {
+                if (!isServiceValid("connectionServiceFocusGained")) return;
                 try {
                     mServiceInterface.connectionServiceFocusGained(
                             Log.getExternalSession(TELECOM_ABBREVIATION));
@@ -2492,12 +2530,11 @@
      */
     private void handleConnectionServiceDeath() {
         if (!mPendingResponses.isEmpty()) {
-            CreateConnectionResponse[] responses = mPendingResponses.values().toArray(
-                    new CreateConnectionResponse[mPendingResponses.values().size()]);
+            Collection<CreateConnectionResponse> responses = mPendingResponses.values();
             mPendingResponses.clear();
-            for (int i = 0; i < responses.length; i++) {
-                responses[i].handleCreateConnectionFailure(
-                        new DisconnectCause(DisconnectCause.ERROR, "CS_DEATH"));
+            for (CreateConnectionResponse response : responses) {
+                response.handleCreateConnectionFailure(new DisconnectCause(DisconnectCause.ERROR,
+                        "CS_DEATH"));
             }
         }
         mCallIdMapper.clear();
@@ -2510,13 +2547,13 @@
     private void logIncoming(String msg, Object... params) {
         // Keep these as debug; the incoming logging is traced on a package level through the
         // session logging.
-        Log.d(this, "CS -> TC[" + Log.getPackageAbbreviation(mComponentName) + "]:"
-                + " isRCS = " + this.mIsRemoteConnectionService + ": " + msg, params);
+        Log.d(this, "CS -> TC[" + Log.getPackageAbbreviation(mComponentName) + "]: "
+                + msg, params);
     }
 
     private void logOutgoing(String msg, Object... params) {
-        Log.d(this, "TC -> CS[" + Log.getPackageAbbreviation(mComponentName) + "]:"
-                + " isRCS = " + this.mIsRemoteConnectionService + ": " + msg, params);
+        Log.d(this, "TC -> CS[" + Log.getPackageAbbreviation(mComponentName) + "]: "
+                + msg, params);
     }
 
     private void queryRemoteConnectionServices(final UserHandle userHandle,
@@ -2541,9 +2578,8 @@
                 isCallerConnectionManager = true;
             }
             ConnectionServiceWrapper service = mConnectionServiceRepository.getService(
-                    handle.getComponentName(), handle.getUserHandle());
+                    handle.getComponentName(), handle.getUserHandle(), mFlags);
             if (service != null && service != this) {
-                service.mIsRemoteConnectionService = true;
                 simServices.add(service);
             } else {
                 // This is unexpected, normally PhoneAccounts with CAPABILITY_CALL_PROVIDER are not
@@ -2627,4 +2663,9 @@
         sb.append("]");
         return sb.toString();
     }
+
+    @VisibleForTesting
+    public void setScheduledExecutorService(ScheduledExecutorService service) {
+        mScheduledExecutor = service;
+    }
 }
diff --git a/src/com/android/server/telecom/CreateConnectionProcessor.java b/src/com/android/server/telecom/CreateConnectionProcessor.java
index 19691c1..f5b257d 100644
--- a/src/com/android/server/telecom/CreateConnectionProcessor.java
+++ b/src/com/android/server/telecom/CreateConnectionProcessor.java
@@ -32,6 +32,8 @@
 // TODO: Needed for move to system service: import com.android.internal.R;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.server.telecom.flags.Flags;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -125,6 +127,7 @@
     private DisconnectCause mLastErrorDisconnectCause;
     private final PhoneAccountRegistrar mPhoneAccountRegistrar;
     private final Context mContext;
+    private final FeatureFlags mFlags;
     private CreateConnectionTimeout mTimeout;
     private ConnectionServiceWrapper mService;
     private int mConnectionAttempt;
@@ -132,7 +135,8 @@
     @VisibleForTesting
     public CreateConnectionProcessor(
             Call call, ConnectionServiceRepository repository, CreateConnectionResponse response,
-            PhoneAccountRegistrar phoneAccountRegistrar, Context context) {
+            PhoneAccountRegistrar phoneAccountRegistrar, Context context,
+            FeatureFlags featureFlags) {
         Log.v(this, "CreateConnectionProcessor created for Call = %s", call);
         mCall = call;
         mRepository = repository;
@@ -140,6 +144,7 @@
         mPhoneAccountRegistrar = phoneAccountRegistrar;
         mContext = context;
         mConnectionAttempt = 0;
+        mFlags = featureFlags;
     }
 
     boolean isProcessingComplete() {
@@ -239,7 +244,7 @@
             Log.i(this, "Trying attempt %s", attempt);
             PhoneAccountHandle phoneAccount = attempt.connectionManagerPhoneAccount;
             mService = mRepository.getService(phoneAccount.getComponentName(),
-                    phoneAccount.getUserHandle());
+                    phoneAccount.getUserHandle(), mFlags);
             if (mService == null) {
                 Log.i(this, "Found no connection service for attempt %s", attempt);
                 attemptNextPhoneAccount();
@@ -247,7 +252,25 @@
                 mConnectionAttempt++;
                 mCall.setConnectionManagerPhoneAccount(attempt.connectionManagerPhoneAccount);
                 mCall.setTargetPhoneAccount(attempt.targetPhoneAccount);
-                mCall.setConnectionService(mService);
+                if (mFlags.updatedRcsCallCountTracking()) {
+                    if (Objects.equals(attempt.connectionManagerPhoneAccount,
+                            attempt.targetPhoneAccount)) {
+                        mCall.setConnectionService(mService);
+                    } else {
+                        PhoneAccountHandle remotePhoneAccount = attempt.targetPhoneAccount;
+                        ConnectionServiceWrapper mRemoteService =
+                                mRepository.getService(remotePhoneAccount.getComponentName(),
+                                remotePhoneAccount.getUserHandle(), mFlags);
+                        if (mRemoteService == null) {
+                            mCall.setConnectionService(mService);
+                        } else {
+                            Log.v(this, "attemptNextPhoneAccount Setting RCS = %s", mRemoteService);
+                            mCall.setConnectionService(mService, mRemoteService);
+                        }
+                    }
+                } else {
+                    mCall.setConnectionService(mService);
+                }
                 setTimeoutIfNeeded(mService, attempt);
                 if (mCall.isIncoming()) {
                     if (mCall.isAdhocConferenceCall()) {
diff --git a/src/com/android/server/telecom/InCallController.java b/src/com/android/server/telecom/InCallController.java
index 166ebd9..ad3d26a 100644
--- a/src/com/android/server/telecom/InCallController.java
+++ b/src/com/android/server/telecom/InCallController.java
@@ -22,7 +22,9 @@
 import android.Manifest;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.app.ActivityManager;
 import android.app.AppOpsManager;
+import android.app.KeyguardManager;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.content.AttributionSource;
@@ -47,7 +49,6 @@
 import android.os.Trace;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.permission.PermissionManager;
 import android.telecom.CallAudioState;
 import android.telecom.CallEndpoint;
 import android.telecom.ConnectionService;
@@ -66,6 +67,7 @@
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.telecom.SystemStateHelper.SystemStateListener;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.ui.NotificationChannelManager;
 
 import java.util.ArrayList;
@@ -80,6 +82,7 @@
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 /**
  * Binds to {@link IInCallService} and provides the service to {@link CallsManager} through which it
@@ -1237,11 +1240,12 @@
 
     private ArraySet<String> mAllCarrierPrivilegedApps = new ArraySet<>();
     private ArraySet<String> mActiveCarrierPrivilegedApps = new ArraySet<>();
+    private FeatureFlags mFeatureFlags;
 
     public InCallController(Context context, TelecomSystem.SyncRoot lock, CallsManager callsManager,
             SystemStateHelper systemStateHelper, DefaultDialerCache defaultDialerCache,
             Timeouts.Adapter timeoutsAdapter, EmergencyCallHelper emergencyCallHelper,
-            CarModeTracker carModeTracker, ClockProxy clockProxy) {
+            CarModeTracker carModeTracker, ClockProxy clockProxy, FeatureFlags featureFlags) {
         mContext = context;
         mAppOpsManager = context.getSystemService(AppOpsManager.class);
         mSensorPrivacyManager = context.getSystemService(SensorPrivacyManager.class);
@@ -1258,6 +1262,7 @@
         IntentFilter userAddedFilter = new IntentFilter(Intent.ACTION_USER_ADDED);
         userAddedFilter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY);
         mContext.registerReceiver(mUserAddedReceiver, userAddedFilter);
+        mFeatureFlags = featureFlags;
     }
 
     private void restrictPhoneCallOps() {
@@ -1402,17 +1407,31 @@
     @Override
     public void onCallRemoved(Call call) {
         Log.i(this, "onCallRemoved: %s", call);
-        if (mCallsManager.getCalls().isEmpty()) {
+        // Instead of checking if there are no active calls, we should check if there any calls with
+        // the same associated user returned from getUserFromCall. For instance, it's possible to
+        // have calls coexist on the personal profile and work profile, in which case, we would only
+        // remove the ICS connection for the user associated with the call to be disconnected.
+        UserHandle userFromCall = getUserFromCall(call);
+        Stream<Call> callsAssociatedWithUserFromCall = mCallsManager.getCalls().stream()
+                .filter((c) -> getUserFromCall(c).equals(userFromCall));
+        boolean isCallCountZero = mFeatureFlags.associatedUserRefactorForWorkProfile()
+                ? callsAssociatedWithUserFromCall.count() == 0
+                : mCallsManager.getCalls().isEmpty();
+        if (isCallCountZero) {
             /** Let's add a 2 second delay before we send unbind to the services to hopefully
              *  give them enough time to process all the pending messages.
              */
             mHandler.postDelayed(new Runnable("ICC.oCR", mLock) {
                 @Override
                 public void loggedRun() {
-                    // Check again to make sure there are no active calls.
-                    if (mCallsManager.getCalls().isEmpty()) {
-                        unbindFromServices(getUserFromCall(call));
-
+                    // Check again to make sure there are no active calls for the associated user.
+                    Stream<Call> callsAssociatedWithUserFromCall = mCallsManager.getCalls().stream()
+                            .filter((c) -> getUserFromCall(c).equals(userFromCall));
+                    boolean isCallCountZero = mFeatureFlags.associatedUserRefactorForWorkProfile()
+                            ? callsAssociatedWithUserFromCall.count() == 0
+                            : mCallsManager.getCalls().isEmpty();
+                    if (isCallCountZero) {
+                        unbindFromServices(userFromCall);
                         mEmergencyCallHelper.maybeRevokeTemporaryLocationPermission();
                     }
                 }
@@ -1690,6 +1709,29 @@
 
     @VisibleForTesting
     public void bringToForeground(boolean showDialpad, UserHandle callingUser) {
+        KeyguardManager keyguardManager = mContext.getSystemService(KeyguardManager.class);
+        boolean isLockscreenRestricted = keyguardManager != null
+                && keyguardManager.isKeyguardLocked();
+        UserHandle currentUser = mCallsManager.getCurrentUserHandle();
+        // Handle cases when calls are placed from the keyguard UI screen, which operates under
+        // the admin user. This needs to account for emergency calls placed from secondary/guest
+        // users as well as the work profile. Once the screen is locked, the user should be able to
+        // return to the call (from the keyguard UI).
+        if (mFeatureFlags.eccKeyguard() && mCallsManager.isInEmergencyCall()
+                && isLockscreenRestricted && !mInCallServices.containsKey(callingUser)) {
+            // If screen is locked and the current user is the system, query calls for the work
+            // profile user, if available. Otherwise, the user is in the secondary/guest profile,
+            // so we can default to the system user.
+            if (currentUser.isSystem()) {
+                UserManager um = mContext.getSystemService(UserManager.class);
+                UserHandle workProfileUser = findChildManagedProfileUser(currentUser, um);
+                boolean hasWorkCalls = mCallsManager.getCalls().stream()
+                        .filter((c) -> getUserFromCall(c).equals(workProfileUser)).count() > 0;
+                callingUser = hasWorkCalls ? workProfileUser : currentUser;
+            } else {
+                callingUser = currentUser;
+            }
+        }
         if (mInCallServices.containsKey(callingUser)) {
             for (IInCallService inCallService : mInCallServices.get(callingUser).values()) {
                 try {
@@ -1805,6 +1847,7 @@
      * Unbinds an existing bound connection to the in-call app.
      */
     public void unbindFromServices(UserHandle userHandle) {
+        Log.i(this, "Unbinding from services for user %s", userHandle);
         try {
             mContext.unregisterReceiver(mPackageChangedReceiver);
         } catch (IllegalArgumentException e) {
@@ -2293,7 +2336,9 @@
         }
 
         // Upon successful connection, send the state of the world to the service.
-        List<Call> calls = orderCallsWithChildrenFirst(mCallsManager.getCalls());
+        List<Call> calls = orderCallsWithChildrenFirst(mCallsManager.getCalls().stream().filter(
+                call -> getUserFromCall(call).equals(userHandle))
+                .collect(Collectors.toUnmodifiableList()));
         Log.i(this, "Adding %s calls to InCallService after onConnected: %s, including external " +
                 "calls", calls.size(), info.getComponentName());
         int numCallsSent = 0;
@@ -2430,10 +2475,15 @@
                 try {
                     inCallService.updateCall(
                             sanitizeParcelableCallForService(info, parcelableCall));
-                } catch (RemoteException ignored) {
+                } catch (RemoteException exception) {
+                    Log.w(this, "Call status update did not send to: "
+                                + componentName +" successfully with error " + exception);
                 }
             }
             Log.i(this, "Components updated: %s", componentsUpdated);
+        } else {
+            Log.i(this,
+                    "Unable to update call. InCallService not found for user: %s", userFromCall);
         }
     }
 
@@ -2872,8 +2922,11 @@
         } else {
             UserHandle userFromCall = call.getAssociatedUser();
             UserManager userManager = mContext.getSystemService(UserManager.class);
-            // Emergency call should never be blocked, so if the user associated with call is in
-            // quite mode, use the primary user for the emergency call.
+            // Emergency call should never be blocked, so if the user associated with the target
+            // phone account handle user is in quiet mode, use the current user for the ecall.
+            // Note, that this only applies to incoming calls that are received on assigned
+            // sims (i.e. work sim), where the associated user would be the target phone account
+            // handle user.
             if ((call.isEmergencyCall() || call.isInECBM())
                     && (userManager.isQuietModeEnabled(userFromCall)
                     // We should also account for secondary/guest users where the profile may not
diff --git a/src/com/android/server/telecom/InCallTonePlayer.java b/src/com/android/server/telecom/InCallTonePlayer.java
index 3cc4aac..a5942f0 100644
--- a/src/com/android/server/telecom/InCallTonePlayer.java
+++ b/src/com/android/server/telecom/InCallTonePlayer.java
@@ -69,8 +69,8 @@
             mCallAudioManager = callAudioManager;
         }
 
-        public InCallTonePlayer createPlayer(int tone) {
-            return new InCallTonePlayer(tone, mCallAudioManager,
+        public InCallTonePlayer createPlayer(Call call, int tone) {
+            return new InCallTonePlayer(call, tone, mCallAudioManager,
                     mCallAudioRoutePeripheralAdapter, mLock, mToneGeneratorFactory,
                     mMediaPlayerFactory, mAudioManagerAdapter);
         }
@@ -212,6 +212,7 @@
     private Session mSession;
     private final Object mSessionLock = new Object();
 
+    private final Call mCall;
     private final ToneGeneratorFactory mToneGenerator;
     private final MediaPlayerFactory mMediaPlayerFactory;
     private final AudioManagerAdapter mAudioManagerAdapter;
@@ -228,6 +229,7 @@
      * @param toneId ID of the tone to play, see TONE_* constants.
      */
     private InCallTonePlayer(
+            Call call,
             int toneId,
             CallAudioManager callAudioManager,
             CallAudioRoutePeripheralAdapter callAudioRoutePeripheralAdapter,
@@ -235,6 +237,7 @@
             ToneGeneratorFactory toneGeneratorFactory,
             MediaPlayerFactory mediaPlayerFactor,
             AudioManagerAdapter audioManagerAdapter) {
+        mCall = call;
         mState = STATE_OFF;
         mToneId = toneId;
         mCallAudioManager = callAudioManager;
@@ -476,7 +479,7 @@
         }
 
         if (sTonesPlaying.incrementAndGet() == 1) {
-            mCallAudioManager.setIsTonePlaying(true);
+            mCallAudioManager.setIsTonePlaying(mCall, true);
         }
 
         synchronized (mSessionLock) {
@@ -524,7 +527,7 @@
                     Log.i(InCallTonePlayer.this,
                             "cleanUpTonePlayer(): tonesPlaying=%d, tone completed", newToneCount);
                     if (mCallAudioManager != null) {
-                        mCallAudioManager.setIsTonePlaying(false);
+                        mCallAudioManager.setIsTonePlaying(mCall, false);
                     } else {
                         Log.w(InCallTonePlayer.this,
                                 "cleanUpTonePlayer(): mCallAudioManager is null!");
diff --git a/src/com/android/server/telecom/MissedCallNotifier.java b/src/com/android/server/telecom/MissedCallNotifier.java
index 0e5a287..b0a7c8e 100644
--- a/src/com/android/server/telecom/MissedCallNotifier.java
+++ b/src/com/android/server/telecom/MissedCallNotifier.java
@@ -16,6 +16,7 @@
 
 package com.android.server.telecom;
 
+import android.annotation.Nullable;
 import android.net.Uri;
 import android.os.UserHandle;
 import android.telecom.PhoneAccountHandle;
@@ -85,7 +86,7 @@
 
     void clearMissedCalls(UserHandle userHandle);
 
-    void showMissedCallNotification(CallInfo call);
+    void showMissedCallNotification(CallInfo call, @Nullable Uri uri);
 
     void reloadAfterBootComplete(CallerInfoLookupHelper callerInfoLookupHelper,
             CallInfoFactory callInfoFactory);
diff --git a/src/com/android/server/telecom/NewOutgoingCallIntentBroadcaster.java b/src/com/android/server/telecom/NewOutgoingCallIntentBroadcaster.java
index 3b402b1..6070baa 100644
--- a/src/com/android/server/telecom/NewOutgoingCallIntentBroadcaster.java
+++ b/src/com/android/server/telecom/NewOutgoingCallIntentBroadcaster.java
@@ -16,6 +16,7 @@
 
 package com.android.server.telecom;
 
+import android.Manifest;
 import android.app.Activity;
 import android.app.AppOpsManager;
 import android.app.BroadcastOptions;
@@ -37,6 +38,7 @@
 import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.callredirection.CallRedirectionProcessor;
 
 // TODO: Needed for move to system service: import com.android.internal.R;
@@ -77,6 +79,7 @@
     private final TelecomSystem.SyncRoot mLock;
     private final DefaultDialerCache mDefaultDialerCache;
     private final MmiUtils mMmiUtils;
+    private final FeatureFlags mFeatureFlags;
 
     /*
      * Whether or not the outgoing call intent originated from the default phone application. If
@@ -100,7 +103,8 @@
     @VisibleForTesting
     public NewOutgoingCallIntentBroadcaster(Context context, CallsManager callsManager,
             Intent intent, PhoneNumberUtilsAdapter phoneNumberUtilsAdapter,
-            boolean isDefaultPhoneApp, DefaultDialerCache defaultDialerCache, MmiUtils mmiUtils) {
+            boolean isDefaultPhoneApp, DefaultDialerCache defaultDialerCache, MmiUtils mmiUtils,
+            FeatureFlags featureFlags) {
         mContext = context;
         mCallsManager = callsManager;
         mIntent = intent;
@@ -109,6 +113,7 @@
         mLock = mCallsManager.getLock();
         mDefaultDialerCache = defaultDialerCache;
         mMmiUtils = mmiUtils;
+        mFeatureFlags = featureFlags;
     }
 
     /**
@@ -128,7 +133,8 @@
                     // Once the NEW_OUTGOING_CALL broadcast is finished, the resultData is
                     // used as the actual number to call. (If null, no call will be placed.)
                     String resultNumber = getResultData();
-                    Log.i(this, "Received new-outgoing-call-broadcast for %s with data %s", mCall,
+                    Log.i(NewOutgoingCallIntentBroadcaster.this,
+                            "Received new-outgoing-call-broadcast for %s with data %s", mCall,
                             Log.pii(resultNumber));
 
                     boolean endEarly = false;
@@ -320,6 +326,7 @@
         String scheme = mPhoneNumberUtilsAdapter.isUriNumber(number)
                 ? PhoneAccount.SCHEME_SIP : PhoneAccount.SCHEME_TEL;
         result.callingAddress = Uri.fromParts(scheme, number, null);
+
         return result;
     }
 
@@ -351,14 +358,57 @@
 
     public void processCall(Call call, CallDisposition disposition) {
         mCall = call;
+
+        // If the new outgoing call broadast doesn't block, trigger the legacy process call
+        // behavior and exit out here.
+        if (!mFeatureFlags.isNewOutgoingCallBroadcastUnblocking()) {
+            legacyProcessCall(disposition);
+            return;
+        }
+        boolean callRedirectionWithService = false;
+        // Only try to do redirection if it was requested and we're not calling immediately.
+        // We can expect callImmediately to be true for emergency calls and voip calls.
+        if (disposition.requestRedirection && !disposition.callImmediately) {
+            CallRedirectionProcessor callRedirectionProcessor = new CallRedirectionProcessor(
+                    mContext, mCallsManager, mCall, disposition.callingAddress,
+                    mCallsManager.getPhoneAccountRegistrar(),
+                    getGateWayInfoFromIntent(mIntent, mIntent.getData()),
+                    mIntent.getBooleanExtra(TelecomManager.EXTRA_START_CALL_WITH_SPEAKERPHONE,
+                            false),
+                    mIntent.getIntExtra(TelecomManager.EXTRA_START_CALL_WITH_VIDEO_STATE,
+                            VideoProfile.STATE_AUDIO_ONLY));
+            /**
+             * If there is an available {@link android.telecom.CallRedirectionService}, use the
+             * {@link CallRedirectionProcessor} to perform call redirection instead of using
+             * broadcasting.
+             */
+            callRedirectionWithService = callRedirectionProcessor
+                    .canMakeCallRedirectionWithServiceAsUser(mCall.getAssociatedUser());
+            if (callRedirectionWithService) {
+                callRedirectionProcessor.performCallRedirection(mCall.getAssociatedUser());
+            }
+        }
+
+        // If no redirection was kicked off, place the call now.
+        if (!callRedirectionWithService) {
+            callImmediately(disposition);
+        }
+
+        // Finally, send the non-blocking broadcast if we're supposed to (ie for any non-voip call).
+        if (disposition.sendBroadcast) {
+            UserHandle targetUser = mCall.getAssociatedUser();
+            broadcastIntent(mIntent, disposition.number, false /* receiverRequired */, targetUser);
+        }
+    }
+
+    /**
+     * The legacy non-flagged version of processing a call.  Although there is some code duplication
+     * if makes the new flow cleaner to read.
+     * @param disposition
+     */
+    private void legacyProcessCall(CallDisposition disposition) {
         if (disposition.callImmediately) {
-            boolean speakerphoneOn = mIntent.getBooleanExtra(
-                    TelecomManager.EXTRA_START_CALL_WITH_SPEAKERPHONE, false);
-            int videoState = mIntent.getIntExtra(
-                    TelecomManager.EXTRA_START_CALL_WITH_VIDEO_STATE,
-                    VideoProfile.STATE_AUDIO_ONLY);
-            placeOutgoingCallImmediately(mCall, disposition.callingAddress, null,
-                    speakerphoneOn, videoState);
+            callImmediately(disposition);
 
             // Don't return but instead continue and send the ACTION_NEW_OUTGOING_CALL broadcast
             // so that third parties can still inspect (but not intercept) the outgoing call. When
@@ -390,13 +440,26 @@
 
         if (disposition.sendBroadcast) {
             UserHandle targetUser = mCall.getAssociatedUser();
-            Log.i(this, "Sending NewOutgoingCallBroadcast for %s to %s", mCall, targetUser);
             broadcastIntent(mIntent, disposition.number,
                     !disposition.callImmediately && !callRedirectionWithService, targetUser);
         }
     }
 
     /**
+     * Place a call immediately.
+     * @param disposition The disposition; used for retrieving the address of the call.
+     */
+    private void callImmediately(CallDisposition disposition) {
+        boolean speakerphoneOn = mIntent.getBooleanExtra(
+                TelecomManager.EXTRA_START_CALL_WITH_SPEAKERPHONE, false);
+        int videoState = mIntent.getIntExtra(
+                TelecomManager.EXTRA_START_CALL_WITH_VIDEO_STATE,
+                VideoProfile.STATE_AUDIO_ONLY);
+        placeOutgoingCallImmediately(mCall, disposition.callingAddress, null,
+                speakerphoneOn, videoState);
+    }
+
+    /**
      * Sends a new outgoing call ordered broadcast so that third party apps can cancel the
      * placement of the call or redirect it to a different number.
      *
@@ -415,28 +478,51 @@
         if (number != null) {
             broadcastIntent.putExtra(Intent.EXTRA_PHONE_NUMBER, number);
         }
-
-        // Force receivers of this broadcast intent to run at foreground priority because we
-        // want to finish processing the broadcast intent as soon as possible.
-        broadcastIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND
-                | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
         Log.v(this, "Broadcasting intent: %s.", broadcastIntent);
 
         checkAndCopyProviderExtras(originalCallIntent, broadcastIntent);
 
-        final BroadcastOptions options = BroadcastOptions.makeBasic();
-        options.setBackgroundActivityStartsAllowed(true);
-        mContext.sendOrderedBroadcastAsUser(
-                broadcastIntent,
-                targetUser,
-                android.Manifest.permission.PROCESS_OUTGOING_CALLS,
-                AppOpsManager.OP_PROCESS_OUTGOING_CALLS,
-                options.toBundle(),
-                receiverRequired ? new NewOutgoingCallBroadcastIntentReceiver() : null,
-                null,  // scheduler
-                Activity.RESULT_OK,  // initialCode
-                number,  // initialData: initial value for the result data (number to be modified)
-                null);  // initialExtras
+        if (mFeatureFlags.isNewOutgoingCallBroadcastUnblocking()) {
+            // Where the new outgoing call broadcast is unblocking, do not give receiver FG priority
+            // and do not allow background activity starts.
+            broadcastIntent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
+            Log.i(this, "broadcastIntent: Sending non-blocking for %s to %s", mCall.getId(),
+                    targetUser);
+            if (mFeatureFlags.telecomResolveHiddenDependencies()) {
+                mContext.sendBroadcastAsUser(
+                        broadcastIntent,
+                        targetUser,
+                        Manifest.permission.PROCESS_OUTGOING_CALLS);
+            } else {
+                mContext.sendBroadcastAsUser(
+                        broadcastIntent,
+                        targetUser,
+                        android.Manifest.permission.PROCESS_OUTGOING_CALLS,
+                        AppOpsManager.OP_PROCESS_OUTGOING_CALLS);  // initialExtras
+            }
+        } else {
+            Log.i(this, "broadcastIntent: Sending ordered for %s to %s, waitForResult=%b",
+                    mCall.getId(), targetUser, receiverRequired);
+            final BroadcastOptions options = BroadcastOptions.makeBasic();
+            options.setBackgroundActivityStartsAllowed(true);
+            // Force receivers of this broadcast intent to run at foreground priority because we
+            // want to finish processing the broadcast intent as soon as possible.
+            broadcastIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND
+                    | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
+
+            mContext.sendOrderedBroadcastAsUser(
+                    broadcastIntent,
+                    targetUser,
+                    android.Manifest.permission.PROCESS_OUTGOING_CALLS,
+                    AppOpsManager.OP_PROCESS_OUTGOING_CALLS,
+                    options.toBundle(),
+                    receiverRequired ? new NewOutgoingCallBroadcastIntentReceiver() : null,
+                    null,  // scheduler
+                    Activity.RESULT_OK,  // initialCode
+                    number,  // initialData: initial value for the result data (number to be
+                             // modified)
+                    null);  // initialExtras
+        }
     }
 
     /**
diff --git a/src/com/android/server/telecom/ParcelableCallUtils.java b/src/com/android/server/telecom/ParcelableCallUtils.java
index 673b99a..c77e605 100644
--- a/src/com/android/server/telecom/ParcelableCallUtils.java
+++ b/src/com/android/server/telecom/ParcelableCallUtils.java
@@ -158,6 +158,10 @@
             properties |= android.telecom.Call.Details.PROPERTY_VOIP_AUDIO_MODE;
         }
 
+        if (call.isTransactionalCall()) {
+            properties |= android.telecom.Call.Details.PROPERTY_IS_TRANSACTIONAL;
+        }
+
         // If this is a single-SIM device, the "default SIM" will always be the only SIM.
         boolean isDefaultSmsAccount = phoneAccountRegistrar != null &&
                 phoneAccountRegistrar.isUserSelectedSmsPhoneAccount(call.getTargetPhoneAccount());
diff --git a/src/com/android/server/telecom/PhoneAccountRegistrar.java b/src/com/android/server/telecom/PhoneAccountRegistrar.java
index ba5bf2e..de73269 100644
--- a/src/com/android/server/telecom/PhoneAccountRegistrar.java
+++ b/src/com/android/server/telecom/PhoneAccountRegistrar.java
@@ -61,6 +61,7 @@
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.internal.util.XmlUtils;
 import com.android.modules.utils.ModifiedUtf8;
+import com.android.server.telecom.flags.Flags;
 
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
@@ -180,16 +181,19 @@
     private interface PhoneAccountRegistrarWriteLock {}
     private final PhoneAccountRegistrarWriteLock mWriteLock =
             new PhoneAccountRegistrarWriteLock() {};
+    private final com.android.internal.telephony.flags.FeatureFlags mTelephonyFeatureFlags;
 
     @VisibleForTesting
     public PhoneAccountRegistrar(Context context, TelecomSystem.SyncRoot lock,
-            DefaultDialerCache defaultDialerCache, AppLabelProxy appLabelProxy) {
-        this(context, lock, FILE_NAME, defaultDialerCache, appLabelProxy);
+            DefaultDialerCache defaultDialerCache, AppLabelProxy appLabelProxy,
+            com.android.internal.telephony.flags.FeatureFlags telephonyFeatureFlags) {
+        this(context, lock, FILE_NAME, defaultDialerCache, appLabelProxy, telephonyFeatureFlags);
     }
 
     @VisibleForTesting
     public PhoneAccountRegistrar(Context context, TelecomSystem.SyncRoot lock, String fileName,
-            DefaultDialerCache defaultDialerCache, AppLabelProxy appLabelProxy) {
+            DefaultDialerCache defaultDialerCache, AppLabelProxy appLabelProxy,
+            com.android.internal.telephony.flags.FeatureFlags telephonyFeatureFlags) {
 
         mAtomicFile = new AtomicFile(new File(context.getFilesDir(), fileName));
 
@@ -203,6 +207,13 @@
         mAppLabelProxy = appLabelProxy;
         mCurrentUserHandle = Process.myUserHandle();
 
+        if (telephonyFeatureFlags != null) {
+            mTelephonyFeatureFlags = telephonyFeatureFlags;
+        } else {
+            mTelephonyFeatureFlags =
+                    new com.android.internal.telephony.flags.FeatureFlagsImpl();
+        }
+
         // register context based receiver to clean up orphan phone accounts
         IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MANAGED_PROFILE_REMOVED);
         intentFilter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY);
@@ -389,26 +400,62 @@
                             account.getGroupId()));
         }
 
-        // Potentially update the default voice subid in SubscriptionManager.
+        // Potentially update the default voice subid in SubscriptionManager so that Telephony and
+        // Telecom are in sync.
         int newSubId = accountHandle == null ? SubscriptionManager.INVALID_SUBSCRIPTION_ID :
                 getSubscriptionIdForPhoneAccount(accountHandle);
-        if (isSimAccount || accountHandle == null) {
-            int currentVoiceSubId = mSubscriptionManager.getDefaultVoiceSubscriptionId();
-            if (newSubId != currentVoiceSubId) {
-                Log.i(this, "setUserSelectedOutgoingPhoneAccount: update voice sub; "
-                        + "account=%s, subId=%d", accountHandle, newSubId);
-                mSubscriptionManager.setDefaultVoiceSubscriptionId(newSubId);
+        if (Flags.onlyUpdateTelephonyOnValidSubIds()) {
+            if (shouldUpdateTelephonyDefaultVoiceSubId(accountHandle, isSimAccount, newSubId)) {
+                updateDefaultVoiceSubId(newSubId, accountHandle);
             } else {
-                Log.i(this, "setUserSelectedOutgoingPhoneAccount: no change to voice sub");
+                Log.i(this, "setUserSelectedOutgoingPhoneAccount: %s is not a sub", accountHandle);
             }
         } else {
-            Log.i(this, "setUserSelectedOutgoingPhoneAccount: %s is not a sub", accountHandle);
+            if (isSimAccount || accountHandle == null) {
+                updateDefaultVoiceSubId(newSubId, accountHandle);
+            } else {
+                Log.i(this, "setUserSelectedOutgoingPhoneAccount: %s is not a sub", accountHandle);
+            }
         }
-
         write();
         fireDefaultOutgoingChanged();
     }
 
+    private void updateDefaultVoiceSubId(int newSubId, PhoneAccountHandle accountHandle){
+        int currentVoiceSubId = mSubscriptionManager.getDefaultVoiceSubscriptionId();
+        if (newSubId != currentVoiceSubId) {
+            Log.i(this, "setUserSelectedOutgoingPhoneAccount: update voice sub; "
+                    + "account=%s, subId=%d", accountHandle, newSubId);
+            mSubscriptionManager.setDefaultVoiceSubscriptionId(newSubId);
+        } else {
+            Log.i(this, "setUserSelectedOutgoingPhoneAccount: no change to voice sub");
+        }
+    }
+
+    // This helper is important for CTS testing.  [PhoneAccount]s created by Telecom in CTS are
+    // assigned a  subId value of INVALID_SUBSCRIPTION_ID (-1) by Telephony.  However, when
+    // Telephony has a default outgoing calling voice account of -1, that translates to no default
+    // account (user should be prompted to select an acct when making MOs).  In order to avoid
+    // Telephony clearing out the newly changed default [PhoneAccount] in Telecom, Telephony should
+    // not be updated. This situation will never occur in production since [PhoneAccount]s in
+    // production are assigned non-negative subId values.
+    private boolean shouldUpdateTelephonyDefaultVoiceSubId(PhoneAccountHandle phoneAccountHandle,
+            boolean isSimAccount, int newSubId) {
+        // user requests no call preference
+        if (phoneAccountHandle == null) {
+            return true;
+        }
+        // do not update Telephony if the newSubId is invalid
+        if (newSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            Log.w(this, "shouldUpdateTelephonyDefaultVoiceSubId: "
+                            + "invalid subId scenario, not updating Telephony. "
+                            + "phoneAccountHandle=[%s], isSimAccount=[%b], newSubId=[%s]",
+                    phoneAccountHandle, isSimAccount, newSubId);
+            return false;
+        }
+        return isSimAccount;
+    }
+
     boolean isUserSelectedSmsPhoneAccount(PhoneAccountHandle accountHandle) {
         return getSubscriptionIdForPhoneAccount(accountHandle) ==
                 SubscriptionManager.getDefaultSmsSubscriptionId();
@@ -660,6 +707,24 @@
         }
     }
 
+    private boolean isMatchedUser(PhoneAccount account, UserHandle userHandle) {
+        if (account == null) {
+            return false;
+        }
+
+        if (userHandle == null) {
+            Log.w(this, "userHandle is null in isVisibleForUser");
+            return false;
+        }
+
+        UserHandle phoneAccountUserHandle = account.getAccountHandle().getUserHandle();
+        if (phoneAccountUserHandle == null) {
+            return false;
+        }
+
+        return phoneAccountUserHandle.equals(userHandle);
+    }
+
     private boolean isVisibleForUser(PhoneAccount account, UserHandle userHandle,
             boolean acrossProfiles) {
         if (account == null) {
@@ -726,11 +791,11 @@
      */
     public List<PhoneAccountHandle> getAllPhoneAccountHandles(UserHandle userHandle,
             boolean crossUserAccess) {
-        return getPhoneAccountHandles(0, null, null, false, userHandle, crossUserAccess);
+        return getPhoneAccountHandles(0, null, null, false, userHandle, crossUserAccess, true);
     }
 
     public List<PhoneAccount> getAllPhoneAccounts(UserHandle userHandle, boolean crossUserAccess) {
-        return getPhoneAccounts(0, null, null, false, mCurrentUserHandle, crossUserAccess);
+        return getPhoneAccounts(0, null, null, false, mCurrentUserHandle, crossUserAccess, true);
     }
 
     /**
@@ -821,7 +886,7 @@
     public List<PhoneAccountHandle> getAllPhoneAccountHandlesForPackage(UserHandle userHandle,
             String packageName) {
         return getPhoneAccountHandles(0, null, packageName, true /* includeDisabled */, userHandle,
-                true /* crossUserAccess */);
+                true /* crossUserAccess */, true);
     }
 
     /**
@@ -897,15 +962,13 @@
      * @throws IllegalArgumentException if MAX_PHONE_ACCOUNT_REGISTRATIONS are reached
      */
     private void enforceMaxPhoneAccountLimit(@NonNull PhoneAccount account) {
-        List<PhoneAccount> unverifiedAccounts = getAccountsForPackage_BypassResolveComp(
-                account.getAccountHandle().getComponentName().getPackageName(),
-                account.getAccountHandle().getUserHandle());
-        // verify each phone account is backed by a valid ConnectionService. If the
-        // ConnectionService has been disabled or cannot be resolved, unregister the accounts.
-        List<PhoneAccount> verifiedAccounts =
-                cleanupUnresolvableConnectionServiceAccounts(unverifiedAccounts);
-        // enforce the max phone account limit for the application registering accounts
-        if (verifiedAccounts.size() >= MAX_PHONE_ACCOUNT_REGISTRATIONS) {
+        final PhoneAccountHandle accountHandle = account.getAccountHandle();
+        final UserHandle user = accountHandle.getUserHandle();
+        final ComponentName componentName = accountHandle.getComponentName();
+
+        if (getPhoneAccountHandles(0, null, componentName.getPackageName(),
+                true /* includeDisabled */, user, false /* crossUserAccess */).size()
+                >= MAX_PHONE_ACCOUNT_REGISTRATIONS) {
             EventLog.writeEvent(0x534e4554, "259064622", Binder.getCallingUid(),
                     "enforceMaxPhoneAccountLimit");
             throw new IllegalArgumentException(
@@ -1453,7 +1516,19 @@
             UserHandle userHandle,
             boolean crossUserAccess) {
         return getPhoneAccountHandles(capabilities, 0 /*excludedCapabilities*/, uriScheme,
-                packageName, includeDisabledAccounts, userHandle, crossUserAccess);
+                packageName, includeDisabledAccounts, userHandle, crossUserAccess, false);
+    }
+
+    private List<PhoneAccountHandle> getPhoneAccountHandles(
+            int capabilities,
+            String uriScheme,
+            String packageName,
+            boolean includeDisabledAccounts,
+            UserHandle userHandle,
+            boolean crossUserAccess,
+            boolean includeAll) {
+        return getPhoneAccountHandles(capabilities, 0 /*excludedCapabilities*/, uriScheme,
+                packageName, includeDisabledAccounts, userHandle, crossUserAccess, includeAll);
     }
 
     /**
@@ -1468,11 +1543,24 @@
             boolean includeDisabledAccounts,
             UserHandle userHandle,
             boolean crossUserAccess) {
+        return getPhoneAccountHandles(capabilities, excludedCapabilities, uriScheme, packageName,
+                includeDisabledAccounts, userHandle, crossUserAccess, false);
+    }
+
+    private List<PhoneAccountHandle> getPhoneAccountHandles(
+            int capabilities,
+            int excludedCapabilities,
+            String uriScheme,
+            String packageName,
+            boolean includeDisabledAccounts,
+            UserHandle userHandle,
+            boolean crossUserAccess,
+            boolean includeAll) {
         List<PhoneAccountHandle> handles = new ArrayList<>();
 
         for (PhoneAccount account : getPhoneAccounts(
                 capabilities, excludedCapabilities, uriScheme, packageName,
-                includeDisabledAccounts, userHandle, crossUserAccess)) {
+                includeDisabledAccounts, userHandle, crossUserAccess, includeAll)) {
             handles.add(account.getAccountHandle());
         }
         return handles;
@@ -1486,7 +1574,19 @@
             UserHandle userHandle,
             boolean crossUserAccess) {
         return getPhoneAccounts(capabilities, 0 /*excludedCapabilities*/, uriScheme, packageName,
-                includeDisabledAccounts, userHandle, crossUserAccess);
+                includeDisabledAccounts, userHandle, crossUserAccess, false);
+    }
+
+    private List<PhoneAccount> getPhoneAccounts(
+            int capabilities,
+            String uriScheme,
+            String packageName,
+            boolean includeDisabledAccounts,
+            UserHandle userHandle,
+            boolean crossUserAccess,
+            boolean includeAll) {
+        return getPhoneAccounts(capabilities, 0 /*excludedCapabilities*/, uriScheme, packageName,
+                includeDisabledAccounts, userHandle, crossUserAccess, includeAll);
     }
 
     /**
@@ -1508,7 +1608,22 @@
             boolean includeDisabledAccounts,
             UserHandle userHandle,
             boolean crossUserAccess) {
+        return getPhoneAccounts(capabilities, excludedCapabilities, uriScheme, packageName,
+                includeDisabledAccounts, userHandle, crossUserAccess, false);
+    }
+
+    @VisibleForTesting
+    public List<PhoneAccount> getPhoneAccounts(
+            int capabilities,
+            int excludedCapabilities,
+            String uriScheme,
+            String packageName,
+            boolean includeDisabledAccounts,
+            UserHandle userHandle,
+            boolean crossUserAccess,
+            boolean includeAll) {
         List<PhoneAccount> accounts = new ArrayList<>(mState.accounts.size());
+        List<PhoneAccount> matchedAccounts = new ArrayList<>(mState.accounts.size());
         for (PhoneAccount m : mState.accounts) {
             if (!(m.isEnabled() || includeDisabledAccounts)) {
                 // Do not include disabled accounts.
@@ -1542,58 +1657,23 @@
                 // Not the right package name; skip this one.
                 continue;
             }
+            if (isMatchedUser(m, userHandle)) {
+                matchedAccounts.add(m);
+            }
             if (!crossUserAccess && !isVisibleForUser(m, userHandle, false)) {
                 // Account is not visible for the current user; skip this one.
                 continue;
             }
             accounts.add(m);
         }
-        return accounts;
-    }
 
-    /**
-     * This getter should be used when you want to bypass the {@link
-     * PhoneAccountRegistrar#resolveComponent(PhoneAccountHandle)} check when fetching accounts
-     */
-    @VisibleForTesting
-    public List<PhoneAccount> getAccountsForPackage_BypassResolveComp(String packageName,
-            UserHandle userHandle) {
-        List<PhoneAccount> accounts = new ArrayList<>(mState.accounts.size());
-        for (PhoneAccount m : mState.accounts) {
-            PhoneAccountHandle handle = m.getAccountHandle();
-
-            if (packageName != null && !packageName.equals(
-                    handle.getComponentName().getPackageName())) {
-                // Not the right package name; skip this one.
-                continue;
-            }
-
-            if (!isVisibleForUser(m, userHandle, false)) {
-                // Account is not visible for the current user; skip this one.
-                continue;
-            }
-            accounts.add(m);
+        // Return the account if it exactly matches. Otherwise, return any account that's visible
+        if (mTelephonyFeatureFlags.workProfileApiSplit() && !crossUserAccess && !includeAll
+                && !matchedAccounts.isEmpty()) {
+            return matchedAccounts;
         }
-        return accounts;
-    }
 
-    @VisibleForTesting
-    public List<PhoneAccount> cleanupUnresolvableConnectionServiceAccounts(
-            List<PhoneAccount> accounts) {
-        ArrayList<PhoneAccount> verifiedAccounts = new ArrayList<>();
-        for (PhoneAccount account : accounts) {
-            PhoneAccountHandle handle = account.getAccountHandle();
-            // if the ConnectionService has been disabled or can longer be found, remove the handle
-            if (resolveComponent(handle).isEmpty()) {
-                Log.i(this,
-                        "Cannot resolve the ConnectionService for handle=[%s]; unregistering"
-                                + " account", handle);
-                unregisterPhoneAccount(handle);
-            } else {
-                verifiedAccounts.add(account);
-            }
-        }
-        return verifiedAccounts;
+        return accounts;
     }
 
     /**
@@ -1709,6 +1789,7 @@
             } else {
                 pw.println(defaultOutgoing);
             }
+            pw.println("defaultVoiceSubId: " + SubscriptionManager.getDefaultVoiceSubscriptionId());
             pw.println("simCallManager: " + getSimCallManager(mCurrentUserHandle));
             pw.println("phoneAccounts:");
             pw.increaseIndent();
diff --git a/src/com/android/server/telecom/RingbackPlayer.java b/src/com/android/server/telecom/RingbackPlayer.java
index e0c6136..5ace9ba 100644
--- a/src/com/android/server/telecom/RingbackPlayer.java
+++ b/src/com/android/server/telecom/RingbackPlayer.java
@@ -75,7 +75,7 @@
             if (mTonePlayer == null) {
                 Log.i(this, "Playing the ringback tone for %s.", call);
                 Log.addEvent(call, START_RINBACK);
-                mTonePlayer = mPlayerFactory.createPlayer(InCallTonePlayer.TONE_RING_BACK);
+                mTonePlayer = mPlayerFactory.createPlayer(call, InCallTonePlayer.TONE_RING_BACK);
                 mTonePlayer.startTone();
             }
         }
diff --git a/src/com/android/server/telecom/Ringer.java b/src/com/android/server/telecom/Ringer.java
index 16dc5c4..3ec4ebe 100644
--- a/src/com/android/server/telecom/Ringer.java
+++ b/src/com/android/server/telecom/Ringer.java
@@ -22,10 +22,12 @@
 import static android.provider.Settings.Global.ZEN_MODE_OFF;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.Person;
 import android.content.Context;
+import android.content.res.Resources;
 import android.media.AudioManager;
 import android.media.Ringtone;
 import android.media.VolumeShaper;
@@ -38,13 +40,20 @@
 import android.os.VibrationAttributes;
 import android.os.VibrationEffect;
 import android.os.Vibrator;
+import android.os.vibrator.persistence.ParsedVibration;
+import android.os.vibrator.persistence.VibrationXmlParser;
 import android.telecom.Log;
 import android.telecom.TelecomManager;
 import android.view.accessibility.AccessibilityManager;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.server.telecom.LogUtils.EventTimer;
+import com.android.server.telecom.flags.FeatureFlags;
 
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CountDownLatch;
@@ -59,6 +68,8 @@
  */
 @VisibleForTesting
 public class Ringer {
+    private static final String TAG = "TelecomRinger";
+
     public interface AccessibilityManagerAdapter {
         boolean startFlashNotificationSequence(@NonNull Context context,
                 @AccessibilityManager.FlashNotificationReason int reason);
@@ -84,6 +95,16 @@
     // Used for test to notify the completion of RingerAttributes
     private CountDownLatch mAttributesLatch;
 
+    /**
+     * Delay to be used between consecutive vibrations when a non-repeating vibration effect is
+     * provided by the device.
+     *
+     * <p>If looking to customize the loop delay for a device's ring vibration, the desired repeat
+     * behavior should be encoded directly in the effect specification in the device configuration
+     * rather than changing the here (i.e. in `R.raw.default_ringtone_vibration_effect` resource).
+     */
+    private static int DEFAULT_RING_VIBRATION_LOOP_DELAY_MS = 1000;
+
     private static final long[] PULSE_PRIMING_PATTERN = {0,12,250,12,500}; // priming  + interval
 
     private static final int[] PULSE_PRIMING_AMPLITUDE = {0,255,0,255,0};  // priming  + interval
@@ -96,9 +117,11 @@
     private static final int[] PULSE_RAMPING_AMPLITUDE = {
         77,77,78,79,81,84,87,93,101,114,133,162,205,255,255,0};
 
-    private static final long[] PULSE_PATTERN;
+    @VisibleForTesting
+    public static final long[] PULSE_PATTERN;
 
-    private static final int[] PULSE_AMPLITUDE;
+    @VisibleForTesting
+    public static final int[] PULSE_AMPLITUDE;
 
     private static final int RAMPING_RINGER_VIBRATION_DURATION = 5000;
     private static final int RAMPING_RINGER_DURATION = 10000;
@@ -162,6 +185,7 @@
     private final InCallController mInCallController;
     private final VibrationEffectProxy mVibrationEffectProxy;
     private final boolean mIsHapticPlaybackSupportedByDevice;
+    private final FeatureFlags mFlags;
     /**
      * For unit testing purposes only; when set, {@link #startRinging(Call, boolean)} will complete
      * the future provided by the test using {@link #setBlockOnRingingFuture(CompletableFuture)}.
@@ -207,7 +231,8 @@
             VibrationEffectProxy vibrationEffectProxy,
             InCallController inCallController,
             NotificationManager notificationManager,
-            AccessibilityManagerAdapter accessibilityManagerAdapter) {
+            AccessibilityManagerAdapter accessibilityManagerAdapter,
+            FeatureFlags featureFlags) {
 
         mLock = new Object();
         mSystemSettingsUtil = systemSettingsUtil;
@@ -223,18 +248,15 @@
         mNotificationManager = notificationManager;
         mAccessibilityManagerAdapter = accessibilityManagerAdapter;
 
-        if (mContext.getResources().getBoolean(R.bool.use_simple_vibration_pattern)) {
-            mDefaultVibrationEffect = mVibrationEffectProxy.createWaveform(SIMPLE_VIBRATION_PATTERN,
-                    SIMPLE_VIBRATION_AMPLITUDE, REPEAT_SIMPLE_VIBRATION_AT);
-        } else {
-            mDefaultVibrationEffect = mVibrationEffectProxy.createWaveform(PULSE_PATTERN,
-                    PULSE_AMPLITUDE, REPEAT_VIBRATION_AT);
-        }
+        mDefaultVibrationEffect =
+                loadDefaultRingVibrationEffect(
+                        mContext, mVibrator, mVibrationEffectProxy, featureFlags);
 
         mIsHapticPlaybackSupportedByDevice =
                 mSystemSettingsUtil.isHapticPlaybackSupported(mContext);
 
         mAudioManager = mContext.getSystemService(AudioManager.class);
+        mFlags = featureFlags;
     }
 
     @VisibleForTesting
@@ -570,7 +592,7 @@
             Log.addEvent(call, LogUtils.Events.START_CALL_WAITING_TONE, reason);
             mCallWaitingCall = call;
             mCallWaitingPlayer =
-                    mPlayerFactory.createPlayer(InCallTonePlayer.TONE_CALL_WAITING);
+                    mPlayerFactory.createPlayer(call, InCallTonePlayer.TONE_CALL_WAITING);
             mCallWaitingPlayer.startTone();
         }
     }
@@ -629,14 +651,21 @@
             Log.i(this, "shouldRingForContact: returning computation from DndCallFilter.");
             return !call.isCallSuppressedByDoNotDisturb();
         }
-        final Uri contactUri = call.getHandle();
-        final Bundle peopleExtras = new Bundle();
-        if (contactUri != null) {
-            ArrayList<Person> personList = new ArrayList<>();
-            personList.add(new Person.Builder().setUri(contactUri.toString()).build());
-            peopleExtras.putParcelableArrayList(Notification.EXTRA_PEOPLE_LIST, personList);
+        Uri contactUri = call.getHandle();
+        if (mFlags.telecomResolveHiddenDependencies()) {
+            if (contactUri == null) {
+                contactUri = Uri.EMPTY;
+            }
+            return mNotificationManager.matchesCallFilter(contactUri);
+        } else {
+            final Bundle peopleExtras = new Bundle();
+            if (contactUri != null) {
+                ArrayList<Person> personList = new ArrayList<>();
+                personList.add(new Person.Builder().setUri(contactUri.toString()).build());
+                peopleExtras.putParcelableArrayList(Notification.EXTRA_PEOPLE_LIST, personList);
+            }
+            return mNotificationManager.matchesCallFilter(peopleExtras);
         }
-        return mNotificationManager.matchesCallFilter(peopleExtras);
     }
 
     private boolean hasExternalRinger(Call foregroundCall) {
@@ -757,4 +786,65 @@
             return false;
         }
     }
+
+    @Nullable
+    private static VibrationEffect loadSerializedDefaultRingVibration(
+            Resources resources, Vibrator vibrator) {
+        try {
+            InputStream vibrationInputStream =
+                    resources.openRawResource(
+                            com.android.internal.R.raw.default_ringtone_vibration_effect);
+            ParsedVibration parsedVibration = VibrationXmlParser
+                    .parseDocument(
+                            new InputStreamReader(vibrationInputStream, StandardCharsets.UTF_8));
+            if (parsedVibration == null) {
+                Log.w(TAG, "Got null parsed default ring vibration effect.");
+                return null;
+            }
+            return parsedVibration.resolve(vibrator);
+        } catch (IOException | Resources.NotFoundException e) {
+            Log.e(TAG, e, "Error parsing default ring vibration effect.");
+            return null;
+        }
+    }
+
+    private static VibrationEffect loadDefaultRingVibrationEffect(
+            Context context,
+            Vibrator vibrator,
+            VibrationEffectProxy vibrationEffectProxy,
+            FeatureFlags featureFlags) {
+        Resources resources = context.getResources();
+
+        if (resources.getBoolean(R.bool.use_simple_vibration_pattern)) {
+            Log.i(TAG, "Using simple default ring vibration.");
+            return createSimpleRingVibration(vibrationEffectProxy);
+        }
+
+        if (featureFlags.useDeviceProvidedSerializedRingerVibration()) {
+            VibrationEffect parsedEffect = loadSerializedDefaultRingVibration(resources, vibrator);
+            if (parsedEffect != null) {
+                Log.i(TAG, "Using parsed default ring vibration.");
+                // Make the parsed effect repeating to make it vibrate continuously during ring.
+                // If the effect is already repeating, this API call is a no-op.
+                // Otherwise, it  uses `DEFAULT_RING_VIBRATION_LOOP_DELAY_MS` when changing a
+                // non-repeating vibration to a repeating vibration.
+                // This is so that we ensure consecutive loops of the vibration play with some gap
+                // in between.
+                return parsedEffect.applyRepeatingIndefinitely(
+                        /* wantRepeating= */ true, DEFAULT_RING_VIBRATION_LOOP_DELAY_MS);
+            }
+            // Fallback to the simple vibration if the serialized effect cannot be loaded.
+            return createSimpleRingVibration(vibrationEffectProxy);
+        }
+
+        Log.i(TAG, "Using pulse default ring vibration.");
+        return vibrationEffectProxy.createWaveform(
+                PULSE_PATTERN, PULSE_AMPLITUDE, REPEAT_VIBRATION_AT);
+    }
+
+    private static VibrationEffect createSimpleRingVibration(
+            VibrationEffectProxy vibrationEffectProxy) {
+        return vibrationEffectProxy.createWaveform(SIMPLE_VIBRATION_PATTERN,
+                SIMPLE_VIBRATION_AMPLITUDE, REPEAT_SIMPLE_VIBRATION_AT);
+    }
 }
diff --git a/src/com/android/server/telecom/ServiceBinder.java b/src/com/android/server/telecom/ServiceBinder.java
index 7274993..77f7b2e 100644
--- a/src/com/android/server/telecom/ServiceBinder.java
+++ b/src/com/android/server/telecom/ServiceBinder.java
@@ -29,6 +29,7 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.Preconditions;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import java.util.Collections;
 import java.util.Set;
@@ -240,6 +241,8 @@
      * Abbreviated form of the package name from {@link #mComponentName}; used for session logging.
      */
     protected final String mPackageAbbreviation;
+    private final FeatureFlags mFlags;
+
 
     /** The set of callbacks waiting for notification of the binding's success or failure. */
     private final Set<BindCallback> mCallbacks = new ArraySet<>();
@@ -282,7 +285,7 @@
      * @param userHandle The {@link UserHandle} to use for binding.
      */
     protected ServiceBinder(String serviceAction, ComponentName componentName, Context context,
-            TelecomSystem.SyncRoot lock, UserHandle userHandle) {
+            TelecomSystem.SyncRoot lock, UserHandle userHandle, FeatureFlags featureFlags) {
         Preconditions.checkState(!TextUtils.isEmpty(serviceAction));
         Preconditions.checkNotNull(componentName);
 
@@ -292,6 +295,7 @@
         mComponentName = componentName;
         mPackageAbbreviation = Log.getPackageAbbreviation(componentName);
         mUserHandle = userHandle;
+        mFlags = featureFlags;
     }
 
     final UserHandle getUserHandle() {
@@ -305,10 +309,16 @@
     }
 
     final void decrementAssociatedCallCount() {
-        decrementAssociatedCallCount(false /*isSuppressingUnbind*/);
+        if (mFlags.updatedRcsCallCountTracking()) {
+            decrementAssociatedCallCountUpdated();
+        } else {
+            decrementAssociatedCallCount(false /*isSuppressingUnbind*/);
+        }
     }
 
     final void decrementAssociatedCallCount(boolean isSuppressingUnbind) {
+        // This is the legacy method - will be removed after the Flags.updatedRcsCallCountTracking
+        // mendel study completes.
         if (mAssociatedCallCount > 0) {
             mAssociatedCallCount--;
             Log.v(this, "Call count decrement %d, %s", mAssociatedCallCount,
@@ -323,6 +333,21 @@
         }
     }
 
+    final void decrementAssociatedCallCountUpdated() {
+        if (mAssociatedCallCount > 0) {
+            mAssociatedCallCount--;
+            Log.i(this, "Call count decrement %d, %s", mAssociatedCallCount,
+                    mComponentName.flattenToShortString());
+
+            if (mAssociatedCallCount == 0) {
+                unbind();
+            }
+        } else {
+            Log.wtf(this, "%s: ignoring a request to decrement mAssociatedCallCount below zero",
+                    mComponentName.getClassName());
+        }
+    }
+
     final int getAssociatedCallCount() {
         return mAssociatedCallCount;
     }
diff --git a/src/com/android/server/telecom/TelecomServiceImpl.java b/src/com/android/server/telecom/TelecomServiceImpl.java
index 9b48bc2..1701e5a 100644
--- a/src/com/android/server/telecom/TelecomServiceImpl.java
+++ b/src/com/android/server/telecom/TelecomServiceImpl.java
@@ -79,6 +79,7 @@
 import com.android.internal.telecom.ITelecomService;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.telecom.components.UserCallIntentProcessorFactory;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.settings.BlockedNumbersActivity;
 import com.android.server.telecom.voip.IncomingCallTransaction;
 import com.android.server.telecom.voip.OutgoingCallTransaction;
@@ -88,6 +89,7 @@
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
+import java.lang.reflect.Method;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Objects;
@@ -354,9 +356,28 @@
 
         @Override
         public ParceledListSlice<PhoneAccountHandle> getCallCapablePhoneAccounts(
-                boolean includeDisabledAccounts, String callingPackage, String callingFeatureId) {
+                boolean includeDisabledAccounts, String callingPackage,
+                String callingFeatureId, boolean acrossProfiles) {
             try {
                 Log.startSession("TSI.gCCPA", Log.getPackageAbbreviation(callingPackage));
+
+                if (mTelephonyFeatureFlags.workProfileApiSplit()) {
+                    if (acrossProfiles) {
+                        enforceInAppCrossProfilePermission();
+                    }
+
+                    if (includeDisabledAccounts && !canReadPrivilegedPhoneState(
+                            callingPackage, "getCallCapablePhoneAccounts")) {
+                        throw new SecurityException(
+                                "Requires READ_PRIVILEGED_PHONE_STATE permission.");
+                    }
+
+                    if (!includeDisabledAccounts && !canReadPhoneState(callingPackage,
+                            callingFeatureId, "Requires READ_PHONE_STATE permission.")) {
+                        throw new SecurityException("Requires READ_PHONE_STATE permission.");
+                    }
+                }
+
                 if (includeDisabledAccounts &&
                         !canReadPrivilegedPhoneState(
                                 callingPackage, "getCallCapablePhoneAccounts")) {
@@ -368,7 +389,11 @@
                 }
                 synchronized (mLock) {
                     final UserHandle callingUserHandle = Binder.getCallingUserHandle();
-                    boolean crossUserAccess = hasInAppCrossUserPermission();
+                    boolean crossUserAccess = mTelephonyFeatureFlags.workProfileApiSplit()
+                            && !acrossProfiles ? false
+                            : (mTelephonyFeatureFlags.workProfileApiSplit()
+                                    ? hasInAppCrossProfilePermission()
+                                    : hasInAppCrossUserPermission());
                     long token = Binder.clearCallingIdentity();
                     try {
                         return new ParceledListSlice<>(
@@ -636,6 +661,7 @@
         public ParceledListSlice<PhoneAccountHandle> getAllPhoneAccountHandles() {
             try {
                 Log.startSession("TSI.gAPAH");
+
                 try {
                     enforceModifyPermission(
                             "getAllPhoneAccountHandles requires MODIFY_PHONE_STATE permission.");
@@ -654,7 +680,7 @@
                                 .getAllPhoneAccountHandles(callingUserHandle,
                                         crossUserAccess));
                     } catch (Exception e) {
-                        Log.e(this, e, "getAllPhoneAccounts");
+                        Log.e(this, e, "getAllPhoneAccountsHandles");
                         throw e;
                     } finally {
                         Binder.restoreCallingIdentity(token);
@@ -1551,6 +1577,23 @@
                             }
                             mCallIntentProcessorAdapter.processIncomingCallIntent(
                                     mCallsManager, intent);
+                            if (mFeatureFlags.earlyBindingToIncallService()) {
+                                PhoneAccount account =
+                                        mPhoneAccountRegistrar.getPhoneAccountUnchecked(
+                                                phoneAccountHandle);
+                                Bundle accountExtra =
+                                        account == null ? new Bundle() : account.getExtras();
+                                PackageManager packageManager = mContext.getPackageManager();
+                                // Start binding to InCallServices for wearable calls that do not
+                                // require call filtering. This is to wake up default dialer earlier
+                                // to mitigate InCallService binding latency.
+                                if (packageManager.hasSystemFeature(PackageManager.FEATURE_WATCH)
+                                        && accountExtra != null && accountExtra.getBoolean(
+                                        PhoneAccount.EXTRA_SKIP_CALL_FILTERING,
+                                        false)) {
+                                    mCallsManager.getInCallController().bindToServices(null);
+                                }
+                            }
                         } finally {
                             Binder.restoreCallingIdentity(token);
                         }
@@ -1967,6 +2010,11 @@
                 pw.increaseIndent();
                 Analytics.dump(pw);
                 pw.decreaseIndent();
+
+                pw.println("Flag Configurations: ");
+                pw.increaseIndent();
+                reflectAndPrintFlagConfigs(pw);
+                pw.decreaseIndent();
             }
             if (isTimeLineView) {
                 Log.dumpEventsTimeline(pw);
@@ -1976,6 +2024,28 @@
         }
 
         /**
+         * Print all feature flag configurations that Telecom is using for debugging purposes.
+         */
+        private void reflectAndPrintFlagConfigs(IndentingPrintWriter pw) {
+
+            try {
+                // Look away, a forbidden technique (reflection) is being used to allow us to get
+                // all flag configs without having to add them manually to this method.
+                Method[] methods = FeatureFlags.class.getMethods();
+                if (methods.length == 0) {
+                    pw.println("NONE");
+                    return;
+                }
+                for (Method m : methods) {
+                    pw.println(m.getName() + "-> " + m.invoke(mFeatureFlags));
+                }
+            } catch (Exception e) {
+                pw.println("[ERROR]");
+            }
+
+        }
+
+        /**
          * @see android.telecom.TelecomManager#createManageBlockedNumbersIntent
          */
         @Override
@@ -2138,7 +2208,7 @@
                     try {
                         Log.i(this, "handleCallIntent: handling call intent");
                         mCallIntentProcessorAdapter.processOutgoingCallIntent(mContext,
-                                mCallsManager, intent, callingPackage);
+                                mCallsManager, intent, callingPackage, mFeatureFlags);
                     } finally {
                         Binder.restoreCallingIdentity(token);
                     }
@@ -2511,6 +2581,9 @@
     private final TelecomSystem.SyncRoot mLock;
     private TransactionManager mTransactionManager;
     private final TransactionalServiceRepository mTransactionalServiceRepository;
+    private final FeatureFlags mFeatureFlags;
+    private final com.android.internal.telephony.flags.FeatureFlags mTelephonyFeatureFlags;
+
 
     public TelecomServiceImpl(
             Context context,
@@ -2521,6 +2594,8 @@
             DefaultDialerCache defaultDialerCache,
             SubscriptionManagerAdapter subscriptionManagerAdapter,
             SettingsSecureAdapter settingsSecureAdapter,
+            FeatureFlags featureFlags,
+            com.android.internal.telephony.flags.FeatureFlags telephonyFeatureFlags,
             TelecomSystem.SyncRoot lock) {
         mContext = context;
         mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
@@ -2528,6 +2603,13 @@
         mPackageManager = mContext.getPackageManager();
 
         mCallsManager = callsManager;
+        mFeatureFlags = featureFlags;
+        if (telephonyFeatureFlags != null) {
+            mTelephonyFeatureFlags = telephonyFeatureFlags;
+        } else {
+            mTelephonyFeatureFlags =
+                    new com.android.internal.telephony.flags.FeatureFlagsImpl();
+        }
         mLock = lock;
         mPhoneAccountRegistrar = phoneAccountRegistrar;
         mUserCallIntentProcessorFactory = userCallIntentProcessorFactory;
@@ -2898,12 +2980,24 @@
                         + " INTERACT_ACROSS_USERS permission");
     }
 
+    private void enforceInAppCrossProfilePermission() {
+        mContext.enforceCallingOrSelfPermission(
+                android.Manifest.permission.INTERACT_ACROSS_PROFILES, "Must be system or have"
+                        + " INTERACT_ACROSS_PROFILES permission");
+    }
+
     private boolean hasInAppCrossUserPermission() {
         return mContext.checkCallingOrSelfPermission(
                 Manifest.permission.INTERACT_ACROSS_USERS)
                 == PackageManager.PERMISSION_GRANTED;
     }
 
+    private boolean hasInAppCrossProfilePermission() {
+        return mContext.checkCallingOrSelfPermission(
+                Manifest.permission.INTERACT_ACROSS_PROFILES)
+                == PackageManager.PERMISSION_GRANTED;
+    }
+
     // to be used for TestApi methods that can only be called with SHELL UID.
     private void enforceShellOnly(int callingUid, String message) {
         if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) {
diff --git a/src/com/android/server/telecom/TelecomSystem.java b/src/com/android/server/telecom/TelecomSystem.java
index 3686e86..4310945 100644
--- a/src/com/android/server/telecom/TelecomSystem.java
+++ b/src/com/android/server/telecom/TelecomSystem.java
@@ -45,8 +45,12 @@
 import com.android.server.telecom.bluetooth.BluetoothRouteManager;
 import com.android.server.telecom.bluetooth.BluetoothStateReceiver;
 import com.android.server.telecom.callfiltering.BlockedNumbersAdapter;
+import com.android.server.telecom.callfiltering.CallFilterResultCallback;
+import com.android.server.telecom.callfiltering.IncomingCallFilterGraph;
+import com.android.server.telecom.callfiltering.IncomingCallFilterGraphProvider;
 import com.android.server.telecom.components.UserCallIntentProcessor;
 import com.android.server.telecom.components.UserCallIntentProcessorFactory;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.ui.AudioProcessingNotification;
 import com.android.server.telecom.ui.CallStreamingNotification;
 import com.android.server.telecom.ui.DisconnectedCallNotifier;
@@ -224,7 +228,8 @@
             Ringer.AccessibilityManagerAdapter accessibilityManagerAdapter,
             Executor asyncTaskExecutor,
             Executor asyncCallAudioTaskExecutor,
-            BlockedNumbersAdapter blockedNumbersAdapter) {
+            BlockedNumbersAdapter blockedNumbersAdapter,
+            FeatureFlags featureFlags) {
         mContext = context.getApplicationContext();
         LogUtils.initLogging(mContext);
         android.telecom.Log.setLock(mLock);
@@ -240,7 +245,7 @@
         try {
             mPhoneAccountRegistrar = new PhoneAccountRegistrar(mContext, mLock, defaultDialerCache,
                     packageName -> AppLabelProxy.Util.getAppLabel(
-                            mContext.getPackageManager(), packageName));
+                            mContext.getPackageManager(), packageName), null);
 
             mContactsAsyncHelper = contactsAsyncHelperFactory.create(
                     new ContactsAsyncHelper.ContentResolverAdapter() {
@@ -254,11 +259,13 @@
                     CallAudioCommunicationDeviceTracker(mContext);
             BluetoothDeviceManager bluetoothDeviceManager = new BluetoothDeviceManager(mContext,
                     mContext.getSystemService(BluetoothManager.class).getAdapter(),
-                    communicationDeviceTracker);
+                    communicationDeviceTracker, featureFlags);
             BluetoothRouteManager bluetoothRouteManager = new BluetoothRouteManager(mContext, mLock,
-                    bluetoothDeviceManager, new Timeouts.Adapter(), communicationDeviceTracker);
+                    bluetoothDeviceManager, new Timeouts.Adapter(),
+                    communicationDeviceTracker, featureFlags);
             BluetoothStateReceiver bluetoothStateReceiver = new BluetoothStateReceiver(
-                    bluetoothDeviceManager, bluetoothRouteManager, communicationDeviceTracker);
+                    bluetoothDeviceManager, bluetoothRouteManager,
+                    communicationDeviceTracker, featureFlags);
             mContext.registerReceiver(bluetoothStateReceiver, BluetoothStateReceiver.INTENT_FILTER);
             communicationDeviceTracker.setBluetoothRouteManager(bluetoothRouteManager);
 
@@ -268,7 +275,8 @@
             mMissedCallNotifier = missedCallNotifierImplFactory
                     .makeMissedCallNotifierImpl(mContext, mPhoneAccountRegistrar,
                             defaultDialerCache,
-                            deviceIdleControllerAdapter);
+                            deviceIdleControllerAdapter,
+                            featureFlags);
             DisconnectedCallNotifier.Factory disconnectedCallNotifierFactory =
                     new DisconnectedCallNotifier.Default();
 
@@ -287,7 +295,7 @@
                         EmergencyCallHelper emergencyCallHelper) {
                     return new InCallController(context, lock, callsManager, systemStateProvider,
                             defaultDialerCache, timeoutsAdapter, emergencyCallHelper,
-                            new CarModeTracker(), clockProxy);
+                            new CarModeTracker(), clockProxy, featureFlags);
                 }
             };
 
@@ -406,7 +414,9 @@
                     transactionManager,
                     emergencyCallDiagnosticLogger,
                     communicationDeviceTracker,
-                    callStreamingNotification);
+                    callStreamingNotification,
+                    featureFlags,
+                    IncomingCallFilterGraph::new);
 
             mIncomingCallNotifier = incomingCallNotifier;
             incomingCallNotifier.setCallsManagerProxy(new IncomingCallNotifier.CallsManagerProxy() {
@@ -450,7 +460,7 @@
             }
 
             mCallIntentProcessor = new CallIntentProcessor(mContext, mCallsManager,
-                    defaultDialerCache);
+                    defaultDialerCache, featureFlags);
             mTelecomBroadcastIntentProcessor = new TelecomBroadcastIntentProcessor(
                     mContext, mCallsManager);
 
@@ -474,6 +484,8 @@
                     defaultDialerCache,
                     new TelecomServiceImpl.SubscriptionManagerAdapterImpl(),
                     new TelecomServiceImpl.SettingsSecureAdapterImpl(),
+                    featureFlags,
+                    null,
                     mLock);
         } finally {
             Log.endSession();
diff --git a/src/com/android/server/telecom/TransactionalServiceWrapper.java b/src/com/android/server/telecom/TransactionalServiceWrapper.java
index 02ccef7..938ee58 100644
--- a/src/com/android/server/telecom/TransactionalServiceWrapper.java
+++ b/src/com/android/server/telecom/TransactionalServiceWrapper.java
@@ -46,6 +46,7 @@
 import com.android.server.telecom.voip.ParallelTransaction;
 import com.android.server.telecom.voip.RequestNewActiveCallTransaction;
 import com.android.server.telecom.voip.SerialTransaction;
+import com.android.server.telecom.voip.SetMuteStateTransaction;
 import com.android.server.telecom.voip.TransactionManager;
 import com.android.server.telecom.voip.VoipCallTransaction;
 import com.android.server.telecom.voip.VoipCallTransactionResult;
@@ -225,6 +226,18 @@
         }
 
         @Override
+        public void setMuteState(boolean isMuted, android.os.ResultReceiver callback)
+                throws RemoteException {
+            try {
+                Log.startSession("TSW.sMS");
+                addTransactionsToManager(
+                        new SetMuteStateTransaction(mCallsManager, isMuted), callback);
+            } finally {
+                Log.endSession();
+            }
+        }
+
+        @Override
         public void startCallStreaming(String callId, android.os.ResultReceiver callback)
                 throws RemoteException {
             try {
diff --git a/src/com/android/server/telecom/UserUtil.java b/src/com/android/server/telecom/UserUtil.java
index a304401..670ad34 100644
--- a/src/com/android/server/telecom/UserUtil.java
+++ b/src/com/android/server/telecom/UserUtil.java
@@ -16,10 +16,19 @@
 
 package com.android.server.telecom;
 
+import android.app.admin.DevicePolicyManager;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.UserInfo;
+import android.net.Uri;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.telecom.Log;
+import android.telecom.PhoneAccount;
+import android.telecom.PhoneAccountHandle;
+
+import com.android.server.telecom.components.ErrorDialogActivity;
+import com.android.server.telecom.flags.FeatureFlags;
 
 public final class UserUtil {
 
@@ -40,4 +49,90 @@
         UserInfo userInfo = getUserInfoFromUserHandle(context, userHandle);
         return userInfo != null && userInfo.profileGroupId != userInfo.id;
     }
+
+    public static void showErrorDialogForRestrictedOutgoingCall(Context context,
+            int stringId, String tag, String reason) {
+        final Intent intent = new Intent(context, ErrorDialogActivity.class);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        intent.putExtra(ErrorDialogActivity.ERROR_MESSAGE_ID_EXTRA, stringId);
+        context.startActivityAsUser(intent, UserHandle.CURRENT);
+        Log.w(tag, "Rejecting non-emergency phone call because "
+                + reason);
+    }
+
+    public static boolean hasOutgoingCallsUserRestriction(Context context,
+            UserHandle userHandle, Uri handle, boolean isSelfManaged, String tag) {
+        // Set handle for conference calls. Refer to {@link Connection#ADHOC_CONFERENCE_ADDRESS}.
+        if (handle == null) {
+            handle = Uri.parse("tel:conf-factory");
+        }
+
+        if(!isSelfManaged) {
+            // Check DISALLOW_OUTGOING_CALLS restriction. Note: We are skipping this
+            // check in a managed profile user because this check can always be bypassed
+            // by copying and pasting the phone number into the personal dialer.
+            if (!UserUtil.isManagedProfile(context, userHandle)) {
+                // Only emergency calls are allowed for users with the DISALLOW_OUTGOING_CALLS
+                // restriction.
+                if (!TelephonyUtil.shouldProcessAsEmergency(context, handle)) {
+                    final UserManager userManager =
+                            (UserManager) context.getSystemService(Context.USER_SERVICE);
+                    if (userManager.hasBaseUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS,
+                            userHandle)) {
+                        String reason = "of DISALLOW_OUTGOING_CALLS restriction";
+                        showErrorDialogForRestrictedOutgoingCall(context,
+                                R.string.outgoing_call_not_allowed_user_restriction, tag, reason);
+                        return true;
+                    } else if (userManager.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS,
+                            userHandle)) {
+                        final DevicePolicyManager dpm =
+                                context.getSystemService(DevicePolicyManager.class);
+                        if (dpm == null) {
+                            return true;
+                        }
+                        final Intent adminSupportIntent = dpm.createAdminSupportIntent(
+                                UserManager.DISALLOW_OUTGOING_CALLS);
+                        if (adminSupportIntent != null) {
+                            context.startActivityAsUser(adminSupportIntent, userHandle);
+                        }
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Gets the associated user for the given call. Note: this is applicable to all calls except
+     * outgoing calls as the associated user is already based off of the user placing the
+     * call.
+     *
+     * @param phoneAccountRegistrar
+     * @param currentUser Current user profile (this can either be the admin or a secondary/guest
+     *                    user). Note that work profile users fall under the admin user.
+     * @param targetPhoneAccount The phone account to retrieve the {@link UserHandle} from.
+     * @return current user if it isn't the admin or if the work profile is paused for the target
+     * phone account handle user, otherwise return the target phone account handle user. If the
+     * flag is disabled, return the legacy {@link UserHandle}.
+     */
+    public static UserHandle getAssociatedUserForCall(boolean isAssociatedUserFlagEnabled,
+            PhoneAccountRegistrar phoneAccountRegistrar, UserHandle currentUser,
+            PhoneAccountHandle targetPhoneAccount) {
+        if (!isAssociatedUserFlagEnabled) {
+            return targetPhoneAccount.getUserHandle();
+        }
+        // For multi-user phone accounts, associate the call with the profile receiving/placing
+        // the call. For SIM accounts (that are assigned to specific users), the user association
+        // will be placed on the target phone account handle user.
+        PhoneAccount account = phoneAccountRegistrar.getPhoneAccountUnchecked(targetPhoneAccount);
+        if (account != null) {
+            return account.hasCapabilities(PhoneAccount.CAPABILITY_MULTI_USER)
+                    ? currentUser
+                    : targetPhoneAccount.getUserHandle();
+        }
+        // If target phone account handle is null or account cannot be found,
+        // return the current user.
+        return currentUser;
+    }
 }
diff --git a/src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java b/src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java
index cc9c769..27e5a7d 100644
--- a/src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java
+++ b/src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java
@@ -27,6 +27,7 @@
 import android.content.Context;
 import android.media.AudioManager;
 import android.media.AudioDeviceInfo;
+import android.media.audio.common.AudioDevice;
 import android.os.Bundle;
 import android.telecom.Log;
 import android.util.ArraySet;
@@ -35,17 +36,18 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.concurrent.Executor;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Objects;
 import java.util.Set;
-import java.util.concurrent.Executor;
 
 public class BluetoothDeviceManager {
 
@@ -211,9 +213,11 @@
     private AudioManager mAudioManager;
     private Executor mExecutor;
     private CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
+    private FeatureFlags mFeatureFlags;
 
     public BluetoothDeviceManager(Context context, BluetoothAdapter bluetoothAdapter,
-            CallAudioCommunicationDeviceTracker communicationDeviceTracker) {
+            CallAudioCommunicationDeviceTracker communicationDeviceTracker,
+            FeatureFlags featureFlags) {
         if (bluetoothAdapter != null) {
             mBluetoothAdapter = bluetoothAdapter;
             bluetoothAdapter.getProfileProxy(context, mBluetoothProfileServiceListener,
@@ -225,6 +229,7 @@
             mAudioManager = context.getSystemService(AudioManager.class);
             mExecutor = context.getMainExecutor();
             mCommunicationDeviceTracker = communicationDeviceTracker;
+            mFeatureFlags = featureFlags;
         }
     }
 
@@ -449,7 +454,17 @@
     }
 
     public void disconnectAudio() {
-        mCommunicationDeviceTracker.clearBtCommunicationDevice();
+        if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+            mCommunicationDeviceTracker.clearBtCommunicationDevice();
+            disconnectSco();
+        } else {
+            disconnectSco();
+            clearLeAudioCommunicationDevice();
+            clearHearingAidCommunicationDevice();
+        }
+    }
+
+    public void disconnectSco() {
         if (mBluetoothHeadset == null) {
             Log.w(this, "Trying to disconnect audio but no headset service exists.");
         } else {
@@ -465,9 +480,13 @@
         return mHearingAidSetAsCommunicationDevice;
     }
 
-    public void clearLeAudioOrSpeakerCommunicationDevice() {
+    public void clearLeAudioCommunicationDevice() {
         Log.i(this, "clearLeAudioCommunicationDevice: mLeAudioSetAsCommunicationDevice = " +
                 mLeAudioSetAsCommunicationDevice + " device = " + mLeAudioDevice);
+        if (!mLeAudioSetAsCommunicationDevice) {
+            return;
+        }
+        mLeAudioSetAsCommunicationDevice = false;
         if (mLeAudioDevice != null) {
             mBluetoothRouteManager.onAudioLost(mLeAudioDevice);
             mLeAudioDevice = null;
@@ -479,20 +498,20 @@
         }
 
         AudioDeviceInfo audioDeviceInfo = mAudioManager.getCommunicationDevice();
-        if (audioDeviceInfo != null) {
-            if (audioDeviceInfo.getType() == AudioDeviceInfo.TYPE_BLE_HEADSET) {
-                mBluetoothRouteManager.onAudioLost(audioDeviceInfo.getAddress());
-                mAudioManager.clearCommunicationDevice();
-            } else if (audioDeviceInfo.getType() == AudioDeviceInfo.TYPE_BUILTIN_SPEAKER) {
-                mAudioManager.clearCommunicationDevice();
-            }
+        if (audioDeviceInfo != null && audioDeviceInfo.getType()
+                == AudioDeviceInfo.TYPE_BLE_HEADSET) {
+            mBluetoothRouteManager.onAudioLost(audioDeviceInfo.getAddress());
+            mAudioManager.clearCommunicationDevice();
         }
-        mLeAudioSetAsCommunicationDevice = false;
     }
 
-    public void clearHearingAidOrSpeakerCommunicationDevice() {
+    public void clearHearingAidCommunicationDevice() {
         Log.i(this, "clearHearingAidCommunicationDevice: mHearingAidSetAsCommunicationDevice = "
                 + mHearingAidSetAsCommunicationDevice);
+        if (!mHearingAidSetAsCommunicationDevice) {
+            return;
+        }
+        mHearingAidSetAsCommunicationDevice = false;
         if (mHearingAidDevice != null) {
             mBluetoothRouteManager.onAudioLost(mHearingAidDevice);
             mHearingAidDevice = null;
@@ -504,15 +523,10 @@
         }
 
         AudioDeviceInfo audioDeviceInfo = mAudioManager.getCommunicationDevice();
-        if (audioDeviceInfo != null) {
-            if (audioDeviceInfo.getType() == AudioDeviceInfo.TYPE_BLE_HEADSET) {
-                mBluetoothRouteManager.onAudioLost(audioDeviceInfo.getAddress());
-                mAudioManager.clearCommunicationDevice();
-            } else if (audioDeviceInfo.getType() == AudioDeviceInfo.TYPE_BUILTIN_SPEAKER) {
-                mAudioManager.clearCommunicationDevice();
-            }
+        if (audioDeviceInfo != null && audioDeviceInfo.getType()
+                == AudioDeviceInfo.TYPE_HEARING_AID) {
+            mAudioManager.clearCommunicationDevice();
         }
-        mHearingAidSetAsCommunicationDevice = false;
     }
 
     public boolean setLeAudioCommunicationDevice() {
@@ -549,7 +563,7 @@
         }
 
         // clear hearing aid communication device if set
-        clearHearingAidOrSpeakerCommunicationDevice();
+        clearHearingAidCommunicationDevice();
 
         // Turn BLE_OUT_HEADSET ON.
         boolean result = mAudioManager.setCommunicationDevice(bleHeadset);
@@ -598,7 +612,7 @@
         }
 
         // clear LE audio communication device if set
-        clearLeAudioOrSpeakerCommunicationDevice();
+        clearLeAudioCommunicationDevice();
 
         // Turn hearing aid ON.
         boolean result = mAudioManager.setCommunicationDevice(hearingAid);
@@ -664,8 +678,10 @@
                  * Only after receiving ACTION_ACTIVE_DEVICE_CHANGED it is known that device that
                  * will be audio switched to is available to be choose as communication device */
                 if (!switchingBtDevices) {
-                    return mCommunicationDeviceTracker.setCommunicationDevice(
-                            AudioDeviceInfo.TYPE_BLE_HEADSET, device);
+                    return mFeatureFlags.callAudioCommunicationDeviceRefactor() ?
+                            mCommunicationDeviceTracker.setCommunicationDevice(
+                                    AudioDeviceInfo.TYPE_BLE_HEADSET, device)
+                            : setLeAudioCommunicationDevice();
                 }
                 return true;
             }
@@ -676,8 +692,10 @@
                  * Only after receiving ACTION_ACTIVE_DEVICE_CHANGED it is known that device that
                  * will be audio switched to is available to be choose as communication device */
                 if (!switchingBtDevices) {
-                    return mCommunicationDeviceTracker.setCommunicationDevice(
-                            AudioDeviceInfo.TYPE_HEARING_AID, null);
+                    return mFeatureFlags.callAudioCommunicationDeviceRefactor() ?
+                            mCommunicationDeviceTracker.setCommunicationDevice(
+                                    AudioDeviceInfo.TYPE_HEARING_AID, null)
+                            : setHearingAidCommunicationDevice();
                 }
                 return true;
             }
@@ -718,7 +736,9 @@
     }
 
     public boolean isInbandRingingEnabled() {
-        BluetoothDevice activeDevice = mBluetoothRouteManager.getBluetoothAudioConnectedDevice();
+        // Get the inband ringing enabled status of expected BT device to route call audio instead
+        // of using the address of currently connected device.
+        BluetoothDevice activeDevice = mBluetoothRouteManager.getMostRecentlyReportedActiveDevice();
         Log.i(this, "isInbandRingingEnabled: activeDevice: " + activeDevice);
         if (mBluetoothRouteManager.isCachedLeAudioDevice(activeDevice)) {
             if (mBluetoothLeAudioService == null) {
diff --git a/src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java b/src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java
index 91c03b6..235ba56 100644
--- a/src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java
+++ b/src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java
@@ -17,6 +17,7 @@
 package com.android.server.telecom.bluetooth;
 
 import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothClass;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothHeadset;
 import android.bluetooth.BluetoothHearingAid;
@@ -37,6 +38,7 @@
 import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
 import com.android.server.telecom.TelecomSystem;
 import com.android.server.telecom.Timeouts;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -45,6 +47,7 @@
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
@@ -134,7 +137,8 @@
         @Override
         public void enter() {
             BluetoothDevice erroneouslyConnectedDevice = getBluetoothAudioConnectedDevice();
-            if (erroneouslyConnectedDevice != null) {
+            if (erroneouslyConnectedDevice != null &&
+                !erroneouslyConnectedDevice.equals(mHearingAidActiveDeviceCache)) {
                 Log.w(LOG_TAG, "Entering AudioOff state but device %s appears to be connected. " +
                         "Switching to audio-on state for that device.", erroneouslyConnectedDevice);
                 // change this to just transition to the new audio on state
@@ -252,6 +256,27 @@
             SomeArgs args = (SomeArgs) msg.obj;
             String address = (String) args.arg2;
             boolean switchingBtDevices = !Objects.equals(mDeviceAddress, address);
+
+            if (switchingBtDevices == true) { // check if it is an hearing aid pair
+                BluetoothAdapter bluetoothAdapter = mDeviceManager.getBluetoothAdapter();
+                if (bluetoothAdapter != null) {
+                    List<BluetoothDevice> activeHearingAids =
+                      bluetoothAdapter.getActiveDevices(BluetoothProfile.HEARING_AID);
+                    for (BluetoothDevice hearingAid : activeHearingAids) {
+                        if (hearingAid != null) {
+                            String hearingAidAddress = hearingAid.getAddress();
+                            if (hearingAidAddress != null) {
+                                if (hearingAidAddress.equals(address) ||
+                                    hearingAidAddress.equals(mDeviceAddress)) {
+                                    switchingBtDevices = false;
+                                    break;
+                                }
+                            }
+                        }
+                    }
+
+                }
+            }
             try {
                 switch (msg.what) {
                     case NEW_DEVICE_CONNECTED:
@@ -393,8 +418,13 @@
                         String actualAddress = connectBtAudio(address,
                             true /* switchingBtDevices*/);
                         if (actualAddress != null) {
-                            transitionTo(getConnectingStateForAddress(address,
-                                    "AudioConnected/CONNECT_BT"));
+                            if (mFeatureFlags.useActualAddressToEnterConnectingState()) {
+                                transitionTo(getConnectingStateForAddress(actualAddress,
+                                        "AudioConnected/CONNECT_BT"));
+                            } else {
+                                transitionTo(getConnectingStateForAddress(address,
+                                        "AudioConnected/CONNECT_BT"));
+                            }
                         } else {
                             Log.w(LOG_TAG, "Tried to connect to %s but failed" +
                                     " to connect to any BT device.", (String) args.arg2);
@@ -472,10 +502,12 @@
     private BluetoothDevice mLeAudioActiveDeviceCache = null;
     private BluetoothDevice mMostRecentlyReportedActiveDevice = null;
     private CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
+    private FeatureFlags mFeatureFlags;
 
     public BluetoothRouteManager(Context context, TelecomSystem.SyncRoot lock,
             BluetoothDeviceManager deviceManager, Timeouts.Adapter timeoutsAdapter,
-            CallAudioCommunicationDeviceTracker communicationDeviceTracker) {
+            CallAudioCommunicationDeviceTracker communicationDeviceTracker,
+            FeatureFlags featureFlags) {
         super(BluetoothRouteManager.class.getSimpleName());
         mContext = context;
         mLock = lock;
@@ -483,6 +515,7 @@
         mDeviceManager.setBluetoothRouteManager(this);
         mTimeoutsAdapter = timeoutsAdapter;
         mCommunicationDeviceTracker = communicationDeviceTracker;
+        mFeatureFlags = featureFlags;
 
         mAudioOffState = new AudioOffState();
         addState(mAudioOffState);
@@ -626,14 +659,22 @@
         if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO) {
             mLeAudioActiveDeviceCache = device;
             if (device == null) {
-                mCommunicationDeviceTracker.clearCommunicationDevice(
-                        AudioDeviceInfo.TYPE_BLE_HEADSET);
+                if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                    mCommunicationDeviceTracker.clearCommunicationDevice(
+                            AudioDeviceInfo.TYPE_BLE_HEADSET);
+                } else {
+                    mDeviceManager.clearLeAudioCommunicationDevice();
+                }
             }
         } else if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID) {
             mHearingAidActiveDeviceCache = device;
             if (device == null) {
-                mCommunicationDeviceTracker.clearCommunicationDevice(
-                        AudioDeviceInfo.TYPE_HEARING_AID);
+                if (mFeatureFlags.callAudioCommunicationDeviceRefactor()) {
+                    mCommunicationDeviceTracker.clearCommunicationDevice(
+                            AudioDeviceInfo.TYPE_HEARING_AID);
+                } else {
+                    mDeviceManager.clearHearingAidCommunicationDevice();
+                }
             }
         } else if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_HEADSET) {
             mHfpActiveDeviceCache = device;
@@ -652,6 +693,10 @@
         }
     }
 
+    public BluetoothDevice getMostRecentlyReportedActiveDevice() {
+        return mMostRecentlyReportedActiveDevice;
+    }
+
     public boolean hasBtActiveDevice() {
         return mLeAudioActiveDeviceCache != null ||
                 mHearingAidActiveDeviceCache != null ||
@@ -670,6 +715,33 @@
         return mDeviceManager.getUniqueConnectedDevices();
     }
 
+    public boolean isWatch(BluetoothDevice device) {
+        if (device == null) {
+            Log.i(this, "isWatch: device is null. Returning false");
+            return false;
+        }
+
+        BluetoothClass deviceClass = device.getBluetoothClass();
+        if (deviceClass != null && deviceClass.getDeviceClass()
+                == BluetoothClass.Device.WEARABLE_WRIST_WATCH) {
+            Log.i(this, "isWatch: bluetooth class component is a WEARABLE_WRIST_WATCH.");
+            return true;
+        }
+
+        // Check metadata
+        byte[] deviceType = device.getMetadata(BluetoothDevice.METADATA_DEVICE_TYPE);
+        if (deviceType == null) {
+            return false;
+        }
+        String deviceTypeStr = new String(deviceType);
+        if (deviceTypeStr.equals(BluetoothDevice.DEVICE_TYPE_WATCH)) {
+            Log.i(this, "isWatch: bluetooth device type is DEVICE_TYPE_WATCH.");
+            return true;
+        }
+
+        return false;
+    }
+
     private String connectBtAudio(String address, boolean switchingBtDevices) {
         return connectBtAudio(address, 0, switchingBtDevices);
     }
@@ -699,10 +771,19 @@
                 ? address : getActiveDeviceAddress();
         if (actualAddress == null) {
             Log.i(this, "No device specified and BT stack has no active device."
-                    + " Using arbitrary device");
+                    + " Using arbitrary device - except watch");
             if (deviceList.size() > 0) {
-                actualAddress = deviceList.iterator().next().getAddress();
-            } else {
+                for (BluetoothDevice device : deviceList) {
+                    if (mFeatureFlags.ignoreAutoRouteToWatchDevice() && isWatch(device)) {
+                        Log.i(this, "Skipping a watch device: " + device);
+                        continue;
+                    }
+                    actualAddress = device.getAddress();
+                    break;
+                }
+            }
+
+            if (actualAddress == null) {
                 Log.i(this, "No devices available at all. Not connecting.");
                 return null;
             }
@@ -804,23 +885,37 @@
             }
         }
 
+        boolean isHearingAidSetForCommunication =
+                mFeatureFlags.callAudioCommunicationDeviceRefactor()
+                ? mCommunicationDeviceTracker.isAudioDeviceSetForType(
+                        AudioDeviceInfo.TYPE_HEARING_AID)
+                : mDeviceManager.isHearingAidSetAsCommunicationDevice();
         if (bluetoothHearingAid != null) {
-            if (mCommunicationDeviceTracker.isAudioDeviceSetForType(
-                    AudioDeviceInfo.TYPE_HEARING_AID)) {
-                for (BluetoothDevice device : bluetoothAdapter.getActiveDevices(
-                        BluetoothProfile.HEARING_AID)) {
-                    if (device != null) {
-                        hearingAidActiveDevice = device;
-                        activeDevices++;
-                        break;
+            if (isHearingAidSetForCommunication) {
+                List<BluetoothDevice> hearingAidsActiveDevices = bluetoothAdapter.getActiveDevices(
+                        BluetoothProfile.HEARING_AID);
+                if (hearingAidsActiveDevices.contains(mHearingAidActiveDeviceCache)) {
+                    hearingAidActiveDevice = mHearingAidActiveDeviceCache;
+                    activeDevices++;
+                } else {
+                    for (BluetoothDevice device : hearingAidsActiveDevices) {
+                        if (device != null) {
+                            hearingAidActiveDevice = device;
+                            activeDevices++;
+                            break;
+                        }
                     }
                 }
             }
         }
 
+        boolean isLeAudioSetForCommunication =
+                mFeatureFlags.callAudioCommunicationDeviceRefactor()
+                        ? mCommunicationDeviceTracker.isAudioDeviceSetForType(
+                        AudioDeviceInfo.TYPE_BLE_HEADSET)
+                        : mDeviceManager.isLeAudioCommunicationDevice();
         if (bluetoothLeAudio != null) {
-            if (mCommunicationDeviceTracker.isAudioDeviceSetForType(
-                    AudioDeviceInfo.TYPE_BLE_HEADSET)) {
+            if (isLeAudioSetForCommunication) {
                 for (BluetoothDevice device : bluetoothAdapter.getActiveDevices(
                         BluetoothProfile.LE_AUDIO)) {
                     if (device != null) {
diff --git a/src/com/android/server/telecom/bluetooth/BluetoothStateReceiver.java b/src/com/android/server/telecom/bluetooth/BluetoothStateReceiver.java
index ec4f263..d2521ac 100644
--- a/src/com/android/server/telecom/bluetooth/BluetoothStateReceiver.java
+++ b/src/com/android/server/telecom/bluetooth/BluetoothStateReceiver.java
@@ -33,6 +33,7 @@
 
 import com.android.internal.os.SomeArgs;
 import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import static com.android.server.telecom.bluetooth.BluetoothRouteManager.BT_AUDIO_IS_ON;
 import static com.android.server.telecom.bluetooth.BluetoothRouteManager.BT_AUDIO_LOST;
@@ -59,6 +60,7 @@
     private final BluetoothRouteManager mBluetoothRouteManager;
     private final BluetoothDeviceManager mBluetoothDeviceManager;
     private CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
+    private FeatureFlags mFeatureFlags;
 
     public void onReceive(Context context, Intent intent) {
         Log.startSession("BSR.oR");
@@ -208,19 +210,27 @@
                     /* In Le Audio case, once device got Active, the Telecom needs to make sure it
                      * is set as communication device before we can say that BT_AUDIO_IS_ON
                      */
+                    boolean isLeAudioSetForCommunication =
+                            mFeatureFlags.callAudioCommunicationDeviceRefactor()
+                                    ? mCommunicationDeviceTracker.setCommunicationDevice(
+                                    AudioDeviceInfo.TYPE_BLE_HEADSET, device)
+                                    : mBluetoothDeviceManager.setLeAudioCommunicationDevice();
                     if ((!usePreferredAudioProfile
                             || preferredDuplexProfile == BluetoothProfile.LE_AUDIO)
-                            && !mCommunicationDeviceTracker.setCommunicationDevice(
-                            AudioDeviceInfo.TYPE_BLE_HEADSET, device)) {
+                            && !isLeAudioSetForCommunication) {
                         Log.w(LOG_TAG,
                                 "Device %s cannot be use as LE audio communication device.",
                                 device);
                         return;
                     }
                 } else {
+                    boolean isHearingAidSetForCommunication =
+                            mFeatureFlags.callAudioCommunicationDeviceRefactor()
+                            ? mCommunicationDeviceTracker.setCommunicationDevice(
+                                    AudioDeviceInfo.TYPE_HEARING_AID, null)
+                            : mBluetoothDeviceManager.setHearingAidCommunicationDevice();
                     /* deviceType == BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID */
-                    if (!mCommunicationDeviceTracker.setCommunicationDevice(
-                            AudioDeviceInfo.TYPE_HEARING_AID, null)) {
+                    if (!isHearingAidSetForCommunication) {
                         Log.w(LOG_TAG,
                                 "Device %s cannot be use as hearing aid communication device.",
                                 device);
@@ -238,10 +248,12 @@
 
     public BluetoothStateReceiver(BluetoothDeviceManager deviceManager,
             BluetoothRouteManager routeManager,
-            CallAudioCommunicationDeviceTracker communicationDeviceTracker) {
+            CallAudioCommunicationDeviceTracker communicationDeviceTracker,
+            FeatureFlags featureFlags) {
         mBluetoothDeviceManager = deviceManager;
         mBluetoothRouteManager = routeManager;
         mCommunicationDeviceTracker = communicationDeviceTracker;
+        mFeatureFlags = featureFlags;
     }
 
     public void setIsInCall(boolean isInCall) {
diff --git a/src/com/android/server/telecom/callfiltering/IncomingCallFilterGraphProvider.java b/src/com/android/server/telecom/callfiltering/IncomingCallFilterGraphProvider.java
new file mode 100644
index 0000000..1501280
--- /dev/null
+++ b/src/com/android/server/telecom/callfiltering/IncomingCallFilterGraphProvider.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.telecom.callfiltering;
+
+import android.content.Context;
+
+import com.android.server.telecom.Call;
+import com.android.server.telecom.TelecomSystem;
+import com.android.server.telecom.Timeouts;
+
+/**
+ * Interface to provide a {@link IncomingCallFilterGraph}. This class serve for unit test purpose
+ * to mock an incoming call filter graph in test code.
+ */
+public interface IncomingCallFilterGraphProvider {
+
+
+    /**
+     * Provide a {@link  IncomingCallFilterGraph}
+     * @param call The call for the filters.
+     * @param listener Callback object to trigger when filtering is done.
+     * @param context An android context.
+     * @param timeoutsAdapter Adapter to provide timeout value for call filtering.
+     * @param lock Telecom lock.
+     * @return
+     */
+    IncomingCallFilterGraph createGraph(Call call, CallFilterResultCallback listener,
+            Context context,
+            Timeouts.Adapter timeoutsAdapter, TelecomSystem.SyncRoot lock);
+}
diff --git a/src/com/android/server/telecom/callredirection/CallRedirectionProcessor.java b/src/com/android/server/telecom/callredirection/CallRedirectionProcessor.java
index 963e923..05e73d5 100644
--- a/src/com/android/server/telecom/callredirection/CallRedirectionProcessor.java
+++ b/src/com/android/server/telecom/callredirection/CallRedirectionProcessor.java
@@ -175,6 +175,20 @@
                     Log.endSession();
                 }
             }
+
+            @Override
+            public void onBindingDied(ComponentName componentName) {
+                // Make sure we unbind the service if binding died to avoid background stating
+                // activity leaks
+                Log.startSession("CRSC.oBD");
+                try {
+                    synchronized (mTelecomLock) {
+                        finishCallRedirection();
+                    }
+                } finally {
+                    Log.endSession();
+                }
+            }
         }
 
         private class CallRedirectionAdapter extends ICallRedirectionAdapter.Stub {
diff --git a/src/com/android/server/telecom/components/TelecomService.java b/src/com/android/server/telecom/components/TelecomService.java
index 90a683f..9287d33 100644
--- a/src/com/android/server/telecom/components/TelecomService.java
+++ b/src/com/android/server/telecom/components/TelecomService.java
@@ -45,6 +45,7 @@
 import com.android.server.telecom.ContactsAsyncHelper;
 import com.android.server.telecom.DefaultDialerCache;
 import com.android.server.telecom.DeviceIdleControllerAdapter;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.HeadsetMediaButton;
 import com.android.server.telecom.HeadsetMediaButtonFactory;
 import com.android.server.telecom.InCallWakeLockControllerFactory;
@@ -61,6 +62,7 @@
 import com.android.server.telecom.TelecomWakeLock;
 import com.android.server.telecom.Timeouts;
 import com.android.server.telecom.callfiltering.BlockedNumbersAdapter;
+import com.android.server.telecom.flags.FeatureFlagsImpl;
 import com.android.server.telecom.settings.BlockedNumbersUtil;
 import com.android.server.telecom.ui.IncomingCallNotifier;
 import com.android.server.telecom.ui.MissedCallNotifierImpl;
@@ -115,10 +117,11 @@
                                         Context context,
                                         PhoneAccountRegistrar phoneAccountRegistrar,
                                         DefaultDialerCache defaultDialerCache,
-                                        DeviceIdleControllerAdapter idleControllerAdapter) {
+                                        DeviceIdleControllerAdapter idleControllerAdapter,
+                                        FeatureFlags featureFlags) {
                                     return new MissedCallNotifierImpl(context,
                                             phoneAccountRegistrar, defaultDialerCache,
-                                            idleControllerAdapter);
+                                            idleControllerAdapter, featureFlags);
                                 }
                             },
                             new CallerInfoAsyncQueryFactory() {
@@ -230,7 +233,8 @@
                                     BlockedNumbersUtil.updateEmergencyCallNotification(context,
                                             showNotification);
                                 }
-                            }));
+                            },
+                            new FeatureFlagsImpl()));
         }
     }
 
diff --git a/src/com/android/server/telecom/components/UserCallIntentProcessor.java b/src/com/android/server/telecom/components/UserCallIntentProcessor.java
index a4602c1..41232c2 100755
--- a/src/com/android/server/telecom/components/UserCallIntentProcessor.java
+++ b/src/com/android/server/telecom/components/UserCallIntentProcessor.java
@@ -105,47 +105,17 @@
             handle = Uri.fromParts(PhoneAccount.SCHEME_SIP, uriString, null);
         }
 
-       if(!isSelfManaged) {
-            // Check DISALLOW_OUTGOING_CALLS restriction. Note: We are skipping this
-            // check in a managed profile user because this check can always be bypassed
-            // by copying and pasting the phone number into the personal dialer.
-            if (!UserUtil.isManagedProfile(mContext, mUserHandle)) {
-                // Only emergency calls are allowed for users with the DISALLOW_OUTGOING_CALLS
-                // restriction.
-                if (!TelephonyUtil.shouldProcessAsEmergency(mContext, handle)) {
-                    final UserManager userManager =
-                            (UserManager) mContext.getSystemService(Context.USER_SERVICE);
-                    if (userManager.hasBaseUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS,
-                            mUserHandle)) {
-                        showErrorDialogForRestrictedOutgoingCall(mContext,
-                                R.string.outgoing_call_not_allowed_user_restriction);
-                        Log.w(this, "Rejecting non-emergency phone call "
-                                + "due to DISALLOW_OUTGOING_CALLS restriction");
-                        return;
-                    } else if (userManager.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS,
-                            mUserHandle)) {
-                        final DevicePolicyManager dpm =
-                                mContext.getSystemService(DevicePolicyManager.class);
-                        if (dpm == null) {
-                            return;
-                        }
-                        final Intent adminSupportIntent = dpm.createAdminSupportIntent(
-                                UserManager.DISALLOW_OUTGOING_CALLS);
-                        if (adminSupportIntent != null) {
-                            mContext.startActivity(adminSupportIntent);
-                        }
-                        return;
-                    }
-                }
-            }
-        }
+       if (UserUtil.hasOutgoingCallsUserRestriction(mContext, mUserHandle,
+               handle, isSelfManaged, UserCallIntentProcessor.class.getCanonicalName())) {
+           return;
+       }
 
         if (!isSelfManaged && !canCallNonEmergency &&
                 !TelephonyUtil.shouldProcessAsEmergency(mContext, handle)) {
-            showErrorDialogForRestrictedOutgoingCall(mContext,
-                    R.string.outgoing_call_not_allowed_no_permission);
-            Log.w(this, "Rejecting non-emergency phone call because "
-                    + android.Manifest.permission.CALL_PHONE + " permission is not granted.");
+            String reason = android.Manifest.permission.CALL_PHONE + " permission is not granted.";
+            UserUtil.showErrorDialogForRestrictedOutgoingCall(mContext,
+                    R.string.outgoing_call_not_allowed_no_permission,
+                    this.getClass().getCanonicalName(), reason);
             return;
         }
 
@@ -187,11 +157,4 @@
         }
         return true;
     }
-
-    private static void showErrorDialogForRestrictedOutgoingCall(Context context, int stringId) {
-        final Intent intent = new Intent(context, ErrorDialogActivity.class);
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        intent.putExtra(ErrorDialogActivity.ERROR_MESSAGE_ID_EXTRA, stringId);
-        context.startActivityAsUser(intent, UserHandle.CURRENT);
-    }
 }
diff --git a/src/com/android/server/telecom/ui/MissedCallNotifierImpl.java b/src/com/android/server/telecom/ui/MissedCallNotifierImpl.java
index 6b97f97..25ce0ca 100644
--- a/src/com/android/server/telecom/ui/MissedCallNotifierImpl.java
+++ b/src/com/android/server/telecom/ui/MissedCallNotifierImpl.java
@@ -20,6 +20,7 @@
 import static android.app.admin.DevicePolicyResources.Strings.Telecomm.NOTIFICATION_MISSED_WORK_CALL_TITLE;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.app.BroadcastOptions;
 import android.app.Notification;
 import android.app.NotificationManager;
@@ -42,6 +43,7 @@
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.UserHandle;
+import android.provider.CallLog;
 import android.provider.CallLog.Calls;
 import android.telecom.CallerInfo;
 import android.telecom.Log;
@@ -62,6 +64,7 @@
 import com.android.server.telecom.Constants;
 import com.android.server.telecom.DefaultDialerCache;
 import com.android.server.telecom.DeviceIdleControllerAdapter;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.MissedCallNotifier;
 import com.android.server.telecom.PhoneAccountRegistrar;
 import com.android.server.telecom.R;
@@ -87,7 +90,8 @@
         MissedCallNotifier makeMissedCallNotifierImpl(Context context,
                 PhoneAccountRegistrar phoneAccountRegistrar,
                 DefaultDialerCache defaultDialerCache,
-                DeviceIdleControllerAdapter deviceIdleControllerAdapter);
+                DeviceIdleControllerAdapter deviceIdleControllerAdapter,
+                FeatureFlags featureFlags);
     }
 
     public interface NotificationBuilderFactory {
@@ -141,19 +145,22 @@
     private final Map<UserHandle, Integer> mMissedCallCounts;
 
     private Set<UserHandle> mUsersToLoadAfterBootComplete = new ArraySet<>();
+    private FeatureFlags mFeatureFlags;
 
     public MissedCallNotifierImpl(Context context, PhoneAccountRegistrar phoneAccountRegistrar,
             DefaultDialerCache defaultDialerCache,
-            DeviceIdleControllerAdapter deviceIdleControllerAdapter) {
+            DeviceIdleControllerAdapter deviceIdleControllerAdapter,
+            FeatureFlags featureFlags) {
         this(context, phoneAccountRegistrar, defaultDialerCache,
-                new DefaultNotificationBuilderFactory(), deviceIdleControllerAdapter);
+                new DefaultNotificationBuilderFactory(), deviceIdleControllerAdapter, featureFlags);
     }
 
     public MissedCallNotifierImpl(Context context,
             PhoneAccountRegistrar phoneAccountRegistrar,
             DefaultDialerCache defaultDialerCache,
             NotificationBuilderFactory notificationBuilderFactory,
-            DeviceIdleControllerAdapter deviceIdleControllerAdapter) {
+            DeviceIdleControllerAdapter deviceIdleControllerAdapter,
+            FeatureFlags featureFlags) {
         mContext = context;
         mPhoneAccountRegistrar = phoneAccountRegistrar;
         mNotificationManager =
@@ -163,6 +170,7 @@
 
         mNotificationBuilderFactory = notificationBuilderFactory;
         mMissedCallCounts = new ArrayMap<>();
+        mFeatureFlags = featureFlags;
     }
 
     /** Clears missed call notification and marks the call log's missed calls as read. */
@@ -261,17 +269,17 @@
     }
 
     private void sendNotificationThroughDefaultDialer(String dialerPackage, CallInfo callInfo,
-            UserHandle userHandle, int missedCallCount) {
+            UserHandle userHandle, int missedCallCount, @Nullable Uri uri) {
         Intent intent = getShowMissedCallIntentForDefaultDialer(dialerPackage)
             .setFlags(Intent.FLAG_RECEIVER_FOREGROUND)
             .putExtra(TelecomManager.EXTRA_CLEAR_MISSED_CALLS_INTENT,
                     createClearMissedCallsPendingIntent(userHandle))
             .putExtra(TelecomManager.EXTRA_NOTIFICATION_COUNT, missedCallCount)
+            .putExtra(TelecomManager.EXTRA_CALL_LOG_URI, uri)
             .putExtra(TelecomManager.EXTRA_NOTIFICATION_PHONE_NUMBER,
                     callInfo == null ? null : callInfo.getPhoneNumber())
             .putExtra(TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE,
                     callInfo == null ? null : callInfo.getPhoneAccountHandle());
-
         if (missedCallCount == 1 && callInfo != null) {
             final Uri handleUri = callInfo.getHandle();
             String handle = handleUri == null ? null : handleUri.getSchemeSpecificPart();
@@ -295,7 +303,7 @@
      * @param callInfo The missed call.
      */
     @Override
-    public void showMissedCallNotification(@NonNull CallInfo callInfo) {
+    public void showMissedCallNotification(@NonNull CallInfo callInfo, @Nullable Uri uri) {
         final PhoneAccountHandle phoneAccountHandle = callInfo.getPhoneAccountHandle();
         final PhoneAccount phoneAccount =
                 mPhoneAccountRegistrar.getPhoneAccountUnchecked(phoneAccountHandle);
@@ -306,10 +314,11 @@
         } else {
             userHandle = phoneAccountHandle.getUserHandle();
         }
-        showMissedCallNotification(callInfo, userHandle);
+        showMissedCallNotification(callInfo, userHandle, uri);
     }
 
-    private void showMissedCallNotification(@NonNull CallInfo callInfo, UserHandle userHandle) {
+    private void showMissedCallNotification(@NonNull CallInfo callInfo, UserHandle userHandle,
+            @Nullable Uri uri) {
         int missedCallCounts;
         synchronized (mMissedCallCountsLock) {
             Integer currentCount = mMissedCallCounts.get(userHandle);
@@ -324,7 +333,7 @@
         String dialerPackage = getDefaultDialerPackage(userHandle);
         if (shouldManageNotificationThroughDefaultDialer(dialerPackage, userHandle)) {
             sendNotificationThroughDefaultDialer(dialerPackage, callInfo, userHandle,
-                    missedCallCounts);
+                    missedCallCounts, uri);
             return;
         }
 
@@ -446,7 +455,7 @@
         String dialerPackage = getDefaultDialerPackage(userHandle);
         if (shouldManageNotificationThroughDefaultDialer(dialerPackage, userHandle)) {
             sendNotificationThroughDefaultDialer(dialerPackage, null, userHandle,
-                    0 /* missedCallCount */);
+                    /* missedCallCount= */ 0, /* uri= */ null);
             return;
         }
 
@@ -631,6 +640,13 @@
                         while (cursor.moveToNext()) {
                             // Get data about the missed call from the cursor
                             final String handleString = cursor.getString(CALL_LOG_COLUMN_NUMBER);
+                            final Uri uri;
+                            if (mFeatureFlags.addCallUriForMissedCalls()){
+                                uri = Calls.CONTENT_URI.buildUpon().appendPath(
+                                        Long.toString(cursor.getInt(CALL_LOG_COLUMN_ID))).build();
+                            }else{
+                                uri = null;
+                            }
                             final int presentation =
                                     cursor.getInt(CALL_LOG_COLUMN_NUMBER_PRESENTATION);
                             final long date = cursor.getLong(CALL_LOG_COLUMN_DATE);
@@ -663,7 +679,8 @@
                                                 // null, just show the notification.
                                                 CallInfo callInfo = callInfoFactory.makeCallInfo(
                                                         info, null, handle, date);
-                                                showMissedCallNotification(callInfo, userHandle);
+                                                showMissedCallNotification(callInfo, userHandle,
+                                                        /* uri= */ uri);
                                             }
                                         }
 
@@ -678,7 +695,8 @@
                                             }
                                             CallInfo callInfo = callInfoFactory.makeCallInfo(
                                                     info, null, handle, date);
-                                            showMissedCallNotification(callInfo, userHandle);
+                                            showMissedCallNotification(callInfo, userHandle,
+                                                    /* uri= */ uri);
                                         }
                                     }
                             );
diff --git a/src/com/android/server/telecom/voip/SetMuteStateTransaction.java b/src/com/android/server/telecom/voip/SetMuteStateTransaction.java
new file mode 100644
index 0000000..d9f7329
--- /dev/null
+++ b/src/com/android/server/telecom/voip/SetMuteStateTransaction.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.telecom.voip;
+
+import android.util.Log;
+
+import com.android.server.telecom.CallsManager;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+
+/**
+ * This transaction should be used to change the global mute state for transactional
+ * calls. There is currently no way for this transaction to fail.
+ */
+public class SetMuteStateTransaction extends VoipCallTransaction {
+
+    private static final String TAG = SetMuteStateTransaction.class.getSimpleName();
+    private final CallsManager mCallsManager;
+    private final boolean mIsMuted;
+
+    public SetMuteStateTransaction(CallsManager callsManager, boolean isMuted) {
+        super(callsManager.getLock());
+        mCallsManager = callsManager;
+        mIsMuted = isMuted;
+    }
+
+    @Override
+    public CompletionStage<VoipCallTransactionResult> processTransaction(Void v) {
+        Log.d(TAG, "processTransaction");
+        CompletableFuture<VoipCallTransactionResult> future = new CompletableFuture<>();
+
+        mCallsManager.mute(mIsMuted);
+
+        future.complete(new VoipCallTransactionResult(
+                VoipCallTransactionResult.RESULT_SUCCEED,
+                "The Mute State was changed successfully"));
+
+        return future;
+    }
+}
diff --git a/src/com/android/server/telecom/voip/VerifyCallStateChangeTransaction.java b/src/com/android/server/telecom/voip/VerifyCallStateChangeTransaction.java
new file mode 100644
index 0000000..b17dedd
--- /dev/null
+++ b/src/com/android/server/telecom/voip/VerifyCallStateChangeTransaction.java
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.telecom.voip;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.server.telecom.Call;
+import com.android.server.telecom.CallsManager;
+
+import android.telecom.DisconnectCause;
+import android.telecom.Log;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * VerifyCallStateChangeTransaction is a transaction that verifies a CallState change and has
+ * the ability to disconnect if the CallState is not changed within the timeout window.
+ * <p>
+ * Note: This transaction has a timeout of 2 seconds.
+ */
+public class VerifyCallStateChangeTransaction extends VoipCallTransaction {
+    private static final String TAG = VerifyCallStateChangeTransaction.class.getSimpleName();
+    public static final int FAILURE_CODE = 0;
+    public static final int SUCCESS_CODE = 1;
+    public static final int TIMEOUT_SECONDS = 2;
+    private final Call mCall;
+    private final CallsManager mCallsManager;
+    private final int mTargetCallState;
+    private final boolean mShouldDisconnectUponFailure;
+    private final CompletableFuture<Integer> mCallStateOrTimeoutResult = new CompletableFuture<>();
+    private final CompletableFuture<VoipCallTransactionResult> mTransactionResult =
+            new CompletableFuture<>();
+
+    @VisibleForTesting
+    public Call.CallStateListener mCallStateListenerImpl = new Call.CallStateListener() {
+        @Override
+        public void onCallStateChanged(int newCallState) {
+            Log.d(TAG, "newState=[%d], expectedState=[%d]", newCallState, mTargetCallState);
+            if (newCallState == mTargetCallState) {
+                mCallStateOrTimeoutResult.complete(SUCCESS_CODE);
+            }
+            // NOTE:: keep listening to the call state until the timeout is reached. It's possible
+            // another call state is reached in between...
+        }
+    };
+
+    public VerifyCallStateChangeTransaction(CallsManager callsManager, Call call,
+            int targetCallState, boolean shouldDisconnectUponFailure) {
+        super(callsManager.getLock());
+        mCallsManager = callsManager;
+        mCall = call;
+        mTargetCallState = targetCallState;
+        mShouldDisconnectUponFailure = shouldDisconnectUponFailure;
+    }
+
+    @Override
+    public CompletionStage<VoipCallTransactionResult> processTransaction(Void v) {
+        Log.d(TAG, "processTransaction:");
+        // It's possible the Call is already in the expected call state
+        if (isNewCallStateTargetCallState()) {
+            mTransactionResult.complete(
+                    new VoipCallTransactionResult(VoipCallTransactionResult.RESULT_SUCCEED,
+                            TAG));
+            return mTransactionResult;
+        }
+        initCallStateListenerOnTimeout();
+        // At this point, the mCallStateOrTimeoutResult has been completed. There are 2 scenarios:
+        // (1) newCallState == targetCallState --> the transaction is successful
+        // (2) timeout is reached --> evaluate the current call state and complete the t accordingly
+        // also need to do cleanup for the transaction
+        evaluateCallStateUponChangeOrTimeout();
+
+        return mTransactionResult;
+    }
+
+    private boolean isNewCallStateTargetCallState() {
+        return mCall.getState() == mTargetCallState;
+    }
+
+    private void initCallStateListenerOnTimeout() {
+        mCall.addCallStateListener(mCallStateListenerImpl);
+        mCallStateOrTimeoutResult.completeOnTimeout(FAILURE_CODE, TIMEOUT_SECONDS,
+                TimeUnit.SECONDS);
+    }
+
+    private void evaluateCallStateUponChangeOrTimeout() {
+        mCallStateOrTimeoutResult.thenAcceptAsync((result) -> {
+            Log.i(TAG, "processTransaction: thenAcceptAsync: result=[%s]", result);
+            mCall.removeCallStateListener(mCallStateListenerImpl);
+            if (isNewCallStateTargetCallState()) {
+                mTransactionResult.complete(
+                        new VoipCallTransactionResult(VoipCallTransactionResult.RESULT_SUCCEED,
+                                TAG));
+            } else {
+                maybeDisconnectCall();
+                mTransactionResult.complete(
+                        new VoipCallTransactionResult(VoipCallTransactionResult.RESULT_FAILED,
+                                TAG));
+            }
+        }).exceptionally(exception -> {
+            Log.i(TAG, "hit exception=[%s] while completing future", exception);
+            mTransactionResult.complete(
+                    new VoipCallTransactionResult(VoipCallTransactionResult.RESULT_FAILED,
+                            TAG));
+            return null;
+        });
+    }
+
+    private void maybeDisconnectCall() {
+        if (mShouldDisconnectUponFailure) {
+            mCallsManager.markCallAsDisconnected(mCall,
+                    new DisconnectCause(DisconnectCause.ERROR,
+                            "did not hold in timeout window"));
+            mCallsManager.markCallAsRemoved(mCall);
+        }
+    }
+
+    @VisibleForTesting
+    public CompletableFuture<Integer> getCallStateOrTimeoutResult() {
+        return mCallStateOrTimeoutResult;
+    }
+
+    @VisibleForTesting
+    public CompletableFuture<VoipCallTransactionResult> getTransactionResult() {
+        return mTransactionResult;
+    }
+
+    @VisibleForTesting
+    public Call.CallStateListener getCallStateListenerImpl() {
+        return mCallStateListenerImpl;
+    }
+}
diff --git a/src/com/android/server/telecom/voip/VoipCallTransactionResult.java b/src/com/android/server/telecom/voip/VoipCallTransactionResult.java
index 2916fc6..ffc0255 100644
--- a/src/com/android/server/telecom/voip/VoipCallTransactionResult.java
+++ b/src/com/android/server/telecom/voip/VoipCallTransactionResult.java
@@ -24,13 +24,14 @@
     public static final int RESULT_SUCCEED = 0;
     public static final int RESULT_FAILED = 1;
 
-    private int mResult;
-    private String mMessage;
-    private Call mCall;
+    private final int mResult;
+    private final String mMessage;
+    private final Call mCall;
 
     public VoipCallTransactionResult(int result, String message) {
         mResult = result;
         mMessage = message;
+        mCall = null;
     }
 
     public VoipCallTransactionResult(int result, Call call, String message) {
@@ -70,7 +71,7 @@
                 append("{ VoipCallTransactionResult: [mResult: ").
                 append(mResult).
                 append("], [mCall: ").
-                append(mCall.toString()).
+                append((mCall != null) ? mCall : "null").
                 append("], [mMessage=").
                 append(mMessage).append("]  }").toString();
     }
diff --git a/testapps/transactionalVoipApp/res/values-am/strings.xml b/testapps/transactionalVoipApp/res/values-am/strings.xml
index 120a9b9..d71c287 100644
--- a/testapps/transactionalVoipApp/res/values-am/strings.xml
+++ b/testapps/transactionalVoipApp/res/values-am/strings.xml
@@ -29,7 +29,7 @@
     <string name="set_call_inactive" msgid="7106775211368705195">"ወደ ገቢር ያልሆነ ተቀናብሯል"</string>
     <string name="disconnect_call" msgid="1349412380315371385">"ግንኙነትን ያቋርጡ"</string>
     <string name="request_earpiece_endpoint" msgid="6649571985089296573">"ማዳመጫ"</string>
-    <string name="request_speaker_endpoint" msgid="1033259535289845405">"ድምጽ ማውጫ"</string>
+    <string name="request_speaker_endpoint" msgid="1033259535289845405">"ድምፅ ማውጫ"</string>
     <string name="request_bluetooth_endpoint" msgid="5933254250623451836">"ብሉቱዝ"</string>
     <string name="start_stream" msgid="3567634786280097431">"ዥረት ይጀምሩ"</string>
     <string name="crash_app" msgid="2548690390730057704">"ለየት ያለ ነገርን ይጣሉ"</string>
diff --git a/testapps/transactionalVoipApp/res/values-ca/strings.xml b/testapps/transactionalVoipApp/res/values-ca/strings.xml
index 06f1655..5500444 100644
--- a/testapps/transactionalVoipApp/res/values-ca/strings.xml
+++ b/testapps/transactionalVoipApp/res/values-ca/strings.xml
@@ -31,7 +31,7 @@
     <string name="request_earpiece_endpoint" msgid="6649571985089296573">"Auricular"</string>
     <string name="request_speaker_endpoint" msgid="1033259535289845405">"Altaveu"</string>
     <string name="request_bluetooth_endpoint" msgid="5933254250623451836">"Bluetooth"</string>
-    <string name="start_stream" msgid="3567634786280097431">"inicia la reproducció en continu"</string>
+    <string name="start_stream" msgid="3567634786280097431">"inicia la reproducció en línia"</string>
     <string name="crash_app" msgid="2548690390730057704">"llança una excepció"</string>
     <string name="update_notification" msgid="8677916482672588779">"actualitza la notificació a l\'estil de trucada en curs"</string>
 </resources>
diff --git a/testapps/transactionalVoipApp/res/values-zh-rCN/strings.xml b/testapps/transactionalVoipApp/res/values-zh-rCN/strings.xml
index a434e35..a74cbb5 100644
--- a/testapps/transactionalVoipApp/res/values-zh-rCN/strings.xml
+++ b/testapps/transactionalVoipApp/res/values-zh-rCN/strings.xml
@@ -19,7 +19,7 @@
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="app_name" msgid="2907804426411305091">"事务性 API 测试活动"</string>
     <string name="in_call_activity_name" msgid="7545884666442897585">"通话活动中的事务"</string>
-    <string name="register_phone_account" msgid="1920315963082350332">"注册电话帐号"</string>
+    <string name="register_phone_account" msgid="1920315963082350332">"注册电话账号"</string>
     <string name="start_foreground_service" msgid="8968755699895128574">"启动 FGS（在后台模拟 MT + 应用）"</string>
     <string name="start_outgoing" msgid="1441644037370361864">"开始去电"</string>
     <string name="start_incoming" msgid="6444983300186361271">"开始来电"</string>
diff --git a/tests/src/com/android/server/telecom/tests/AnalyticsTests.java b/tests/src/com/android/server/telecom/tests/AnalyticsTests.java
index 5da7f31..148db51 100644
--- a/tests/src/com/android/server/telecom/tests/AnalyticsTests.java
+++ b/tests/src/com/android/server/telecom/tests/AnalyticsTests.java
@@ -25,8 +25,8 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -47,11 +47,11 @@
 import android.telecom.VideoProfile;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
-import android.test.suitebuilder.annotation.MediumTest;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Base64;
 
 import androidx.test.filters.FlakyTest;
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.telecom.Analytics;
@@ -381,7 +381,7 @@
 
         waitForHandlerAction(
                 mTelecomSystem.getCallsManager().getCallAudioManager()
-                        .getCallAudioRouteStateMachine().getHandler(),
+                        .getCallAudioRouteAdapter().getAdapterHandler(),
                 TEST_TIMEOUT);
         waitForHandlerAction(
                 mTelecomSystem.getCallsManager().getCallAudioManager()
@@ -391,7 +391,7 @@
         mInCallServiceFixtureX.getInCallAdapter().setAudioRoute(CallAudioState.ROUTE_SPEAKER, null);
         waitForHandlerAction(
                 mTelecomSystem.getCallsManager().getCallAudioManager()
-                        .getCallAudioRouteStateMachine().getHandler(),
+                        .getCallAudioRouteAdapter().getAdapterHandler(),
                 TEST_TIMEOUT);
         waitForHandlerAction(
                 mTelecomSystem.getCallsManager().getCallAudioManager()
diff --git a/tests/src/com/android/server/telecom/tests/BasicCallTests.java b/tests/src/com/android/server/telecom/tests/BasicCallTests.java
index 68eb8b2..1e655e4 100644
--- a/tests/src/com/android/server/telecom/tests/BasicCallTests.java
+++ b/tests/src/com/android/server/telecom/tests/BasicCallTests.java
@@ -24,11 +24,11 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.isNull;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.timeout;
@@ -47,14 +47,12 @@
 import android.net.Uri;
 import android.os.Binder;
 import android.os.Bundle;
-import android.os.Handler;
-import android.os.Looper;
 import android.os.Process;
 import android.os.UserHandle;
-import android.os.UserManager;
 import android.provider.BlockedNumberContract;
 import android.telecom.Call;
 import android.telecom.CallAudioState;
+import android.telecom.CallerInfo;
 import android.telecom.Connection;
 import android.telecom.ConnectionRequest;
 import android.telecom.DisconnectCause;
@@ -65,14 +63,13 @@
 import android.telecom.StatusHints;
 import android.telecom.TelecomManager;
 import android.telecom.VideoProfile;
-import android.test.suitebuilder.annotation.LargeTest;
-import android.test.suitebuilder.annotation.MediumTest;
 
 import androidx.test.filters.FlakyTest;
+import androidx.test.filters.LargeTest;
+import androidx.test.filters.MediumTest;
 import androidx.test.filters.SmallTest;
 
 import com.android.internal.telecom.IInCallAdapter;
-import android.telecom.CallerInfo;
 
 import com.google.common.base.Predicate;
 
@@ -110,6 +107,7 @@
         doReturn(mContext).when(mContext).createContextAsUser(any(UserHandle.class), anyInt());
         mPackageManager = mContext.getPackageManager();
         when(mPackageManager.getPackageUid(anyString(), eq(0))).thenReturn(Binder.getCallingUid());
+        when(mFeatureFlags.telecomResolveHiddenDependencies()).thenReturn(false);
     }
 
     @Override
@@ -626,6 +624,48 @@
 
     @LargeTest
     @Test
+    public void testIncomingThenOutgoingCalls_AssociatedUsersNotEqual() throws Exception {
+        when(mFeatureFlags.associatedUserRefactorForWorkProfile()).thenReturn(true);
+        InCallServiceFixture.setIgnoreOverrideAdapterFlag(true);
+
+        // Receive incoming call via mPhoneAccountMultiUser
+        IdPair incoming = startAndMakeActiveIncomingCall("650-555-2323",
+                mPhoneAccountMultiUser.getAccountHandle(), mConnectionServiceFixtureA);
+        waitForHandlerAction(mConnectionServiceFixtureA.mConnectionServiceDelegate.getHandler(),
+                TEST_TIMEOUT);
+        // Make outgoing call on mPhoneAccountMultiUser (unassociated sim to simulate guest/
+        // secondary user scenario where both MO/MT calls exist).
+        IdPair outgoing = startAndMakeActiveOutgoingCall("650-555-1212",
+                mPhoneAccountMultiUser.getAccountHandle(), mConnectionServiceFixtureA);
+        waitForHandlerAction(mConnectionServiceFixtureA.mConnectionServiceDelegate.getHandler(),
+                TEST_TIMEOUT);
+
+        // Outgoing call should be on hold while incoming call is made active
+        mConnectionServiceFixtureA.mConnectionById.get(incoming.mConnectionId).state =
+                Connection.STATE_HOLDING;
+
+        // Swap calls and verify that outgoing call is now the active call while the incoming call
+        // is the held call.
+        mConnectionServiceFixtureA.sendSetOnHold(outgoing.mConnectionId);
+        waitForHandlerAction(mConnectionServiceFixtureA.mConnectionServiceDelegate.getHandler(),
+                TEST_TIMEOUT);
+        assertEquals(Call.STATE_HOLDING,
+                mInCallServiceFixtureX.getCall(outgoing.mCallId).getState());
+        assertEquals(Call.STATE_ACTIVE,
+                mInCallServiceFixtureX.getCall(incoming.mCallId).getState());
+
+        // Ensure no issues with call disconnect.
+        mInCallServiceFixtureX.mInCallAdapter.disconnectCall(incoming.mCallId);
+        mInCallServiceFixtureX.mInCallAdapter.disconnectCall(outgoing.mCallId);
+        assertEquals(Call.STATE_DISCONNECTING,
+                mInCallServiceFixtureX.getCall(incoming.mCallId).getState());
+        assertEquals(Call.STATE_DISCONNECTING,
+                mInCallServiceFixtureX.getCall(outgoing.mCallId).getState());
+        InCallServiceFixture.setIgnoreOverrideAdapterFlag(false);
+    }
+
+    @LargeTest
+    @Test
     public void testAudioManagerOperations() throws Exception {
         AudioManager audioManager = (AudioManager) mComponentContextFixture.getTestDouble()
                 .getApplicationContext().getSystemService(Context.AUDIO_SERVICE);
@@ -648,7 +688,7 @@
 
         mInCallServiceFixtureX.mInCallAdapter.setAudioRoute(CallAudioState.ROUTE_SPEAKER, null);
         waitForHandlerAction(mTelecomSystem.getCallsManager().getCallAudioManager()
-                .getCallAudioRouteStateMachine().getHandler(), TEST_TIMEOUT);
+                .getCallAudioRouteAdapter().getAdapterHandler(), TEST_TIMEOUT);
         ArgumentCaptor<AudioDeviceInfo> infoArgumentCaptor =
                 ArgumentCaptor.forClass(AudioDeviceInfo.class);
         verify(audioManager, timeout(TEST_TIMEOUT).atLeast(1))
@@ -656,7 +696,7 @@
         assertEquals(AudioDeviceInfo.TYPE_BUILTIN_SPEAKER, infoArgumentCaptor.getValue().getType());
         mInCallServiceFixtureX.mInCallAdapter.setAudioRoute(CallAudioState.ROUTE_EARPIECE, null);
         waitForHandlerAction(mTelecomSystem.getCallsManager().getCallAudioManager()
-                .getCallAudioRouteStateMachine().getHandler(), TEST_TIMEOUT);
+                .getCallAudioRouteAdapter().getAdapterHandler(), TEST_TIMEOUT);
         // setSpeakerPhoneOn(false) gets called once during the call initiation phase
         verify(audioManager, timeout(TEST_TIMEOUT).atLeast(1))
                 .clearCommunicationDevice();
@@ -667,7 +707,7 @@
         waitForHandlerAction(mTelecomSystem.getCallsManager().getCallAudioManager()
                 .getCallAudioModeStateMachine().getHandler(), TEST_TIMEOUT);
         waitForHandlerAction(mTelecomSystem.getCallsManager().getCallAudioManager()
-                .getCallAudioRouteStateMachine().getHandler(), TEST_TIMEOUT);
+                .getCallAudioRouteAdapter().getAdapterHandler(), TEST_TIMEOUT);
         verify(audioManager, timeout(TEST_TIMEOUT))
                 .abandonAudioFocusForCall();
         verify(audioManager, timeout(TEST_TIMEOUT).atLeastOnce())
@@ -995,6 +1035,7 @@
         call.setTargetPhoneAccount(mPhoneAccountA1.getAccountHandle());
         assert(call.isVideoCallingSupportedByPhoneAccount());
         assertEquals(VideoProfile.STATE_BIDIRECTIONAL, call.getVideoState());
+        call.setIsCreateConnectionComplete(true);
     }
 
     /**
@@ -1018,6 +1059,7 @@
         call.setTargetPhoneAccount(mPhoneAccountA2.getAccountHandle());
         assert(!call.isVideoCallingSupportedByPhoneAccount());
         assertEquals(VideoProfile.STATE_AUDIO_ONLY, call.getVideoState());
+        call.setIsCreateConnectionComplete(true);
     }
 
     /**
@@ -1195,7 +1237,7 @@
                 .getState());
         mInCallServiceFixtureX.mInCallAdapter.mute(true);
         waitForHandlerAction(mTelecomSystem.getCallsManager().getCallAudioManager()
-                .getCallAudioRouteStateMachine().getHandler(), TEST_TIMEOUT);
+                .getCallAudioRouteAdapter().getAdapterHandler(), TEST_TIMEOUT);
         assertTrue(mTelecomSystem.getCallsManager().getAudioState().isMuted());
 
         // Make an emergency call.
@@ -1204,14 +1246,14 @@
         assertEquals(Call.STATE_DIALING, mInCallServiceFixtureX.getCall(emergencyCall.mCallId)
                 .getState());
         waitForHandlerAction(mTelecomSystem.getCallsManager().getCallAudioManager()
-                .getCallAudioRouteStateMachine().getHandler(), TEST_TIMEOUT);
+                .getCallAudioRouteAdapter().getAdapterHandler(), TEST_TIMEOUT);
         // Should be unmute automatically.
         assertFalse(mTelecomSystem.getCallsManager().getAudioState().isMuted());
 
         // Toggle mute during an emergency call.
         mTelecomSystem.getCallsManager().getCallAudioManager().toggleMute();
         waitForHandlerAction(mTelecomSystem.getCallsManager().getCallAudioManager()
-                .getCallAudioRouteStateMachine().getHandler(), TEST_TIMEOUT);
+                .getCallAudioRouteAdapter().getAdapterHandler(), TEST_TIMEOUT);
         // Should keep unmute.
         assertFalse(mTelecomSystem.getCallsManager().getAudioState().isMuted());
 
diff --git a/tests/src/com/android/server/telecom/tests/BlockCheckerFilterTest.java b/tests/src/com/android/server/telecom/tests/BlockCheckerFilterTest.java
index a98c1ee..2584b02 100644
--- a/tests/src/com/android/server/telecom/tests/BlockCheckerFilterTest.java
+++ b/tests/src/com/android/server/telecom/tests/BlockCheckerFilterTest.java
@@ -32,11 +32,10 @@
 import android.os.Bundle;
 import android.os.PersistableBundle;
 import android.provider.CallLog;
-import android.telecom.CallerInfo;
 import android.telecom.TelecomManager;
 import android.telephony.CarrierConfigManager;
-import android.test.suitebuilder.annotation.SmallTest;
-import android.util.Pair;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallerInfoLookupHelper;
@@ -51,7 +50,6 @@
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 
-import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CompletionStage;
 import java.util.concurrent.TimeUnit;
 
diff --git a/tests/src/com/android/server/telecom/tests/BlockedNumbersUtilTests.java b/tests/src/com/android/server/telecom/tests/BlockedNumbersUtilTests.java
index 56cb735..696867e 100644
--- a/tests/src/com/android/server/telecom/tests/BlockedNumbersUtilTests.java
+++ b/tests/src/com/android/server/telecom/tests/BlockedNumbersUtilTests.java
@@ -24,7 +24,8 @@
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.os.UserHandle;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.settings.BlockedNumbersUtil;
 
diff --git a/tests/src/com/android/server/telecom/tests/BluetoothDeviceManagerTest.java b/tests/src/com/android/server/telecom/tests/BluetoothDeviceManagerTest.java
index 2dc077a..648a831 100644
--- a/tests/src/com/android/server/telecom/tests/BluetoothDeviceManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/BluetoothDeviceManagerTest.java
@@ -18,6 +18,21 @@
 
 import static android.media.AudioDeviceInfo.TYPE_BUILTIN_SPEAKER;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.isNull;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothHeadset;
@@ -29,7 +44,8 @@
 import android.media.AudioManager;
 import android.os.Bundle;
 import android.os.Parcel;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
 import com.android.server.telecom.bluetooth.BluetoothDeviceManager;
@@ -44,22 +60,8 @@
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.isNull;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import java.util.Arrays;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 @RunWith(JUnit4.class)
@@ -107,7 +109,7 @@
         mContext = mComponentContextFixture.getTestDouble().getApplicationContext();
         mCommunicationDeviceTracker = new CallAudioCommunicationDeviceTracker(mContext);
         mBluetoothDeviceManager = new BluetoothDeviceManager(mContext, mAdapter,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker, mFeatureFlags);
         mBluetoothDeviceManager.setBluetoothRouteManager(mRouteManager);
         mCommunicationDeviceTracker.setBluetoothRouteManager(mRouteManager);
 
@@ -120,7 +122,7 @@
         serviceListenerUnderTest = serviceCaptor.getValue();
 
         receiverUnderTest = new BluetoothStateReceiver(mBluetoothDeviceManager,
-                mRouteManager, mCommunicationDeviceTracker);
+                mRouteManager, mCommunicationDeviceTracker, mFeatureFlags);
 
         mBluetoothDeviceManager.setHeadsetServiceForTesting(mBluetoothHeadset);
         mBluetoothDeviceManager.setHearingAidServiceForTesting(mBluetoothHearingAid);
@@ -131,6 +133,7 @@
         verify(mBluetoothLeAudio).registerCallback(any(), leAudioCallbacksTest.capture());
 
         when(mSpeakerInfo.getType()).thenReturn(TYPE_BUILTIN_SPEAKER);
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(false);
     }
 
     @Override
@@ -423,7 +426,6 @@
         List<AudioDeviceInfo> devices = new ArrayList<>();
         devices.add(mockAudioDeviceInfo);
 
-        when(mockAudioManager.getCommunicationDevice()).thenReturn(mSpeakerInfo);
         when(mockAudioManager.getAvailableCommunicationDevices())
                 .thenReturn(devices);
         when(mockAudioManager.setCommunicationDevice(eq(mockAudioDeviceInfo)))
@@ -440,7 +442,7 @@
 
         when(mockAudioManager.getCommunicationDevice()).thenReturn(mockAudioDeviceInfo);
         mBluetoothDeviceManager.disconnectAudio();
-        verify(mockAudioManager).clearCommunicationDevice();
+        verify(mockAudioManager, atLeastOnce()).clearCommunicationDevice();
     }
 
     @SmallTest
@@ -459,7 +461,6 @@
         List<AudioDeviceInfo> devices = new ArrayList<>();
         devices.add(mockAudioDeviceInfo);
 
-        when(mockAudioManager.getCommunicationDevice()).thenReturn(mSpeakerInfo);
         when(mockAudioManager.getAvailableCommunicationDevices())
                         .thenReturn(devices);
         when(mockAudioManager.setCommunicationDevice(mockAudioDeviceInfo))
@@ -477,7 +478,7 @@
                 BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO));
 
         mBluetoothDeviceManager.disconnectAudio();
-        verify(mockAudioManager).clearCommunicationDevice();
+        verify(mockAudioManager, atLeastOnce()).clearCommunicationDevice();
     }
 
     @SmallTest
@@ -516,6 +517,7 @@
     @SmallTest
     @Test
     public void testConnectMultipleLeAudioDevices() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
         receiverUnderTest.setIsInCall(true);
         receiverUnderTest.onReceive(mContext,
                 buildConnectionActionIntent(BluetoothHeadset.STATE_CONNECTED, device1,
@@ -563,13 +565,8 @@
     @SmallTest
     @Test
     public void testClearCommunicationDeviceOnActiveDeviceChange() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
         receiverUnderTest.setIsInCall(true);
-//        receiverUnderTest.onReceive(mContext,
-//                buildConnectionActionIntent(BluetoothHeadset.STATE_CONNECTED, device1,
-//                        BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO));
-//        leAudioCallbacksTest.getValue().onGroupNodeAdded(device1, 1);
-//        when(mAdapter.setActiveDevice(nullable(BluetoothDevice.class),
-//                eq(BluetoothAdapter.ACTIVE_DEVICE_ALL))).thenReturn(true);
 
         List<AudioDeviceInfo> devices = new ArrayList<>();
         AudioDeviceInfo leAudioDevice1 = createMockAudioDeviceInfo(device1.getAddress(),
@@ -598,6 +595,7 @@
     @SmallTest
     @Test
     public void testConnectDualModeEarbud() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
         receiverUnderTest.setIsInCall(true);
 
         // LE Audio earbuds connected
@@ -691,46 +689,28 @@
 
     @SmallTest
     @Test
-    public void testClearHearingAidCommunicationDevice() {
-        AudioDeviceInfo mockAudioDeviceInfo = mock(AudioDeviceInfo.class);
-        when(mockAudioDeviceInfo.getAddress()).thenReturn(DEVICE_ADDRESS_1);
-        when(mockAudioDeviceInfo.getType()).thenReturn(AudioDeviceInfo.TYPE_HEARING_AID);
-        List<AudioDeviceInfo> devices = new ArrayList<>();
-        devices.add(mockAudioDeviceInfo);
-
-        when(mockAudioManager.getAvailableCommunicationDevices())
-                .thenReturn(devices);
-        when(mockAudioManager.setCommunicationDevice(eq(mockAudioDeviceInfo)))
-                .thenReturn(true);
-
-        mCommunicationDeviceTracker.setCommunicationDevice(AudioDeviceInfo.TYPE_HEARING_AID, null);
-        when(mockAudioManager.getCommunicationDevice()).thenReturn(mSpeakerInfo);
-        mCommunicationDeviceTracker.clearCommunicationDevice(AudioDeviceInfo.TYPE_HEARING_AID);
-        verify(mRouteManager).onAudioLost(eq(DEVICE_ADDRESS_1));
-        assertFalse(mCommunicationDeviceTracker.isAudioDeviceSetForType(
-                AudioDeviceInfo.TYPE_HEARING_AID));
+    public void testClearHearingAidCommunicationDeviceLegacy() {
+        assertClearHearingAidOrLeCommunicationDevice(false, AudioDeviceInfo.TYPE_HEARING_AID);
     }
 
     @SmallTest
     @Test
-    public void testClearLeAudioCommunicationDevice() {
-        AudioDeviceInfo mockAudioDeviceInfo = createMockAudioDeviceInfo(DEVICE_ADDRESS_1,
-                AudioDeviceInfo.TYPE_BLE_HEADSET);
-        List<AudioDeviceInfo> devices = new ArrayList<>();
-        devices.add(mockAudioDeviceInfo);
+    public void testClearHearingAidCommunicationDeviceWithFlag() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
+        assertClearHearingAidOrLeCommunicationDevice(true, AudioDeviceInfo.TYPE_HEARING_AID);
+    }
 
-        when(mockAudioManager.getAvailableCommunicationDevices())
-                .thenReturn(devices);
-        when(mockAudioManager.setCommunicationDevice(eq(mockAudioDeviceInfo)))
-                .thenReturn(true);
+    @SmallTest
+    @Test
+    public void testClearLeAudioCommunicationDeviceLegacy() {
+        assertClearHearingAidOrLeCommunicationDevice(false, AudioDeviceInfo.TYPE_BLE_HEADSET);
+    }
 
-        mCommunicationDeviceTracker.setCommunicationDevice(
-                AudioDeviceInfo.TYPE_BLE_HEADSET, device1);
-        when(mockAudioManager.getCommunicationDevice()).thenReturn(mSpeakerInfo);
-        mCommunicationDeviceTracker.clearCommunicationDevice(AudioDeviceInfo.TYPE_BLE_HEADSET);
-        verify(mRouteManager).onAudioLost(eq(DEVICE_ADDRESS_1));
-        assertFalse(mCommunicationDeviceTracker.isAudioDeviceSetForType(
-                AudioDeviceInfo.TYPE_BLE_HEADSET));
+    @SmallTest
+    @Test
+    public void testClearLeAudioCommunicationDeviceWithFlag() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
+        assertClearHearingAidOrLeCommunicationDevice(true, AudioDeviceInfo.TYPE_BLE_HEADSET);
     }
 
     @SmallTest
@@ -758,22 +738,58 @@
         when(mBluetoothLeAudio.isInbandRingtoneEnabled(1)).thenReturn(true);
         when(mBluetoothLeAudio.getGroupId(eq(device3))).thenReturn(1);
         receiverUnderTest.onReceive(mContext,
-                buildConnectionActionIntent(BluetoothHeadset.STATE_CONNECTED, device1,
-                        BluetoothDeviceManager.DEVICE_TYPE_HEADSET));
-        receiverUnderTest.onReceive(mContext,
-                buildConnectionActionIntent(BluetoothHeadset.STATE_CONNECTED, device2,
-                        BluetoothDeviceManager.DEVICE_TYPE_HEADSET));
-        receiverUnderTest.onReceive(mContext,
                 buildConnectionActionIntent(BluetoothHeadset.STATE_CONNECTED, device3,
                         BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO));
         leAudioCallbacksTest.getValue().onGroupNodeAdded(device3, 1);
-        when(mBluetoothLeAudio.getConnectedGroupLeadDevice(1)).thenReturn(device3);
         when(mRouteManager.getBluetoothAudioConnectedDevice()).thenReturn(device3);
         when(mRouteManager.isCachedLeAudioDevice(eq(device3))).thenReturn(true);
-        assertEquals(3, mBluetoothDeviceManager.getNumConnectedDevices());
+        when(mBluetoothLeAudio.getConnectedGroupLeadDevice(1)).thenReturn(device3);
+        when(mRouteManager.getMostRecentlyReportedActiveDevice()).thenReturn(device3);
+        assertEquals(1, mBluetoothDeviceManager.getNumConnectedDevices());
         assertTrue(mBluetoothDeviceManager.isInbandRingingEnabled());
     }
 
+    private void assertClearHearingAidOrLeCommunicationDevice(
+            boolean flagEnabled, int device_type
+    ) {
+        AudioDeviceInfo mockAudioDeviceInfo = mock(AudioDeviceInfo.class);
+        when(mockAudioDeviceInfo.getAddress()).thenReturn(DEVICE_ADDRESS_1);
+        when(mockAudioDeviceInfo.getType()).thenReturn(device_type);
+        List<AudioDeviceInfo> devices = new ArrayList<>();
+        devices.add(mockAudioDeviceInfo);
+
+        when(mockAudioManager.getAvailableCommunicationDevices())
+                .thenReturn(devices);
+        when(mockAudioManager.setCommunicationDevice(eq(mockAudioDeviceInfo)))
+                .thenReturn(true);
+
+        if (flagEnabled) {
+            BluetoothDevice btDevice = device_type == AudioDeviceInfo.TYPE_BLE_HEADSET
+                    ? device1 : null;
+            mCommunicationDeviceTracker.setCommunicationDevice(device_type, btDevice);
+        } else {
+            if (device_type == AudioDeviceInfo.TYPE_BLE_HEADSET) {
+                mBluetoothDeviceManager.setLeAudioCommunicationDevice();
+            } else {
+                mBluetoothDeviceManager.setHearingAidCommunicationDevice();
+            }
+        }
+        when(mockAudioManager.getCommunicationDevice()).thenReturn(mSpeakerInfo);
+        if (flagEnabled) {
+            mCommunicationDeviceTracker.clearCommunicationDevice(device_type);
+            assertFalse(mCommunicationDeviceTracker.isAudioDeviceSetForType(device_type));
+        } else {
+            if (device_type == AudioDeviceInfo.TYPE_BLE_HEADSET) {
+                mBluetoothDeviceManager.clearLeAudioCommunicationDevice();
+                assertFalse(mBluetoothDeviceManager.isLeAudioCommunicationDevice());
+            } else {
+                mBluetoothDeviceManager.clearHearingAidCommunicationDevice();
+                assertFalse(mBluetoothDeviceManager.isHearingAidSetAsCommunicationDevice());
+            }
+        }
+        verify(mRouteManager).onAudioLost(eq(DEVICE_ADDRESS_1));
+    }
+
     private AudioDeviceInfo createMockAudioDeviceInfo(String address, int audioType) {
         AudioDeviceInfo mockAudioDeviceInfo = mock(AudioDeviceInfo.class);
         when(mockAudioDeviceInfo.getType()).thenReturn(audioType);
diff --git a/tests/src/com/android/server/telecom/tests/BluetoothRouteManagerTest.java b/tests/src/com/android/server/telecom/tests/BluetoothRouteManagerTest.java
index 2b5e5ac..07dd350 100644
--- a/tests/src/com/android/server/telecom/tests/BluetoothRouteManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/BluetoothRouteManagerTest.java
@@ -16,6 +16,16 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothHeadset;
@@ -26,7 +36,8 @@
 import android.content.ContentResolver;
 import android.os.Parcel;
 import android.telecom.Log;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.os.SomeArgs;
 import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
@@ -47,23 +58,20 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyBoolean;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class BluetoothRouteManagerTest extends TelecomTestCase {
     private static final int TEST_TIMEOUT = 1000;
     static final BluetoothDevice DEVICE1 = makeBluetoothDevice("00:00:00:00:00:01");
     static final BluetoothDevice DEVICE2 = makeBluetoothDevice("00:00:00:00:00:02");
     static final BluetoothDevice DEVICE3 = makeBluetoothDevice("00:00:00:00:00:03");
-    static final BluetoothDevice HEARING_AID_DEVICE = makeBluetoothDevice("00:00:00:00:00:04");
+    static final BluetoothDevice HEARING_AID_DEVICE_LEFT = makeBluetoothDevice("CA:FE:DE:CA:00:01");
+    static final BluetoothDevice HEARING_AID_DEVICE_RIGHT =
+      makeBluetoothDevice("CA:FE:DE:CA:00:02");
+    // See HearingAidService#getActiveDevices
+    // Note: It is really important that the left HA is the first one. The left HA is always
+    // in the first index (0) and the right one in the second index (1).
+    static final BluetoothDevice[] HEARING_AIDS =
+      new BluetoothDevice[]{HEARING_AID_DEVICE_LEFT, HEARING_AID_DEVICE_RIGHT};
 
     @Mock private BluetoothAdapter mBluetoothAdapter;
     @Mock private BluetoothDeviceManager mDeviceManager;
@@ -88,6 +96,59 @@
 
     @SmallTest
     @Test
+    public void testConnectLeftHearingAidWhenLeftIsActive() {
+        BluetoothRouteManager sm = setupStateMachine(
+                BluetoothRouteManager.AUDIO_OFF_STATE_NAME, HEARING_AID_DEVICE_LEFT);
+        sm.onActiveDeviceChanged(HEARING_AID_DEVICE_LEFT,
+            BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID);
+        when(mDeviceManager.connectAudio(anyString(), anyBoolean())).thenReturn(true);
+        when(mDeviceManager.isHearingAidSetAsCommunicationDevice()).thenReturn(true);
+
+        setupConnectedDevices(null, HEARING_AIDS, null, null, HEARING_AIDS, null);
+        when(mBluetoothHeadset.getAudioState(nullable(BluetoothDevice.class)))
+          .thenReturn(BluetoothHeadset.STATE_AUDIO_DISCONNECTED);
+
+        executeRoutingAction(sm,
+            BluetoothRouteManager.NEW_DEVICE_CONNECTED, HEARING_AID_DEVICE_LEFT.getAddress());
+
+        executeRoutingAction(sm,
+            BluetoothRouteManager.CONNECT_BT, HEARING_AID_DEVICE_LEFT.getAddress());
+
+        assertEquals(BluetoothRouteManager.AUDIO_CONNECTED_STATE_NAME_PREFIX
+            + ":" + HEARING_AID_DEVICE_LEFT.getAddress(), sm.getCurrentState().getName());
+
+        sm.quitNow();
+    }
+
+    @SmallTest
+    @Test
+    public void testConnectRightHearingAidWhenLeftIsActive() {
+        BluetoothRouteManager sm = setupStateMachine(
+                BluetoothRouteManager.AUDIO_OFF_STATE_NAME, HEARING_AID_DEVICE_RIGHT);
+        sm.onActiveDeviceChanged(HEARING_AID_DEVICE_LEFT,
+            BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID);
+        when(mDeviceManager.connectAudio(anyString(), anyBoolean())).thenReturn(true);
+        when(mDeviceManager.isHearingAidSetAsCommunicationDevice()).thenReturn(true);
+
+
+        setupConnectedDevices(null, HEARING_AIDS, null, null, HEARING_AIDS, null);
+        when(mBluetoothHeadset.getAudioState(nullable(BluetoothDevice.class)))
+          .thenReturn(BluetoothHeadset.STATE_AUDIO_DISCONNECTED);
+
+        executeRoutingAction(sm,
+            BluetoothRouteManager.NEW_DEVICE_CONNECTED, HEARING_AID_DEVICE_LEFT.getAddress());
+
+        executeRoutingAction(sm,
+            BluetoothRouteManager.CONNECT_BT, HEARING_AID_DEVICE_LEFT.getAddress());
+
+        assertEquals(BluetoothRouteManager.AUDIO_CONNECTED_STATE_NAME_PREFIX
+            + ":" + HEARING_AID_DEVICE_LEFT.getAddress(), sm.getCurrentState().getName());
+
+        sm.quitNow();
+    }
+
+    @SmallTest
+    @Test
     public void testConnectBtRetryWhileNotConnected() {
         BluetoothRouteManager sm = setupStateMachine(
                 BluetoothRouteManager.AUDIO_OFF_STATE_NAME, null);
@@ -114,15 +175,15 @@
         BluetoothRouteManager sm = setupStateMachine(
                 BluetoothRouteManager.AUDIO_CONNECTED_STATE_NAME_PREFIX, DEVICE1);
         setupConnectedDevices(new BluetoothDevice[]{DEVICE1},
-                new BluetoothDevice[]{HEARING_AID_DEVICE}, new BluetoothDevice[]{DEVICE2},
-                DEVICE1, HEARING_AID_DEVICE, DEVICE2);
+                HEARING_AIDS, new BluetoothDevice[]{DEVICE2},
+                DEVICE1,  HEARING_AIDS, DEVICE2);
         sm.onActiveDeviceChanged(DEVICE1, BluetoothDeviceManager.DEVICE_TYPE_HEADSET);
         sm.onActiveDeviceChanged(DEVICE2, BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO);
-        sm.onActiveDeviceChanged(HEARING_AID_DEVICE,
+        sm.onActiveDeviceChanged(HEARING_AID_DEVICE_LEFT,
                 BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID);
         executeRoutingAction(sm, BluetoothRouteManager.BT_AUDIO_LOST, DEVICE1.getAddress());
 
-        verifyConnectionAttempt(HEARING_AID_DEVICE, 0);
+        verifyConnectionAttempt(HEARING_AID_DEVICE_LEFT, 0);
         verifyConnectionAttempt(DEVICE1, 0);
         verifyConnectionAttempt(DEVICE2, 0);
         assertEquals(BluetoothRouteManager.AUDIO_CONNECTED_STATE_NAME_PREFIX
@@ -173,12 +234,52 @@
         sm.quitNow();
     }
 
+    @SmallTest
+    @Test
+    public void testSkipInactiveBtDeviceWhenEvaluateActualState() {
+        BluetoothRouteManager sm = setupStateMachine(
+                BluetoothRouteManager.AUDIO_CONNECTED_STATE_NAME_PREFIX, HEARING_AID_DEVICE_LEFT);
+        setupConnectedDevices(null, HEARING_AIDS,
+                null, null, HEARING_AIDS, null);
+        executeRoutingAction(sm, BluetoothRouteManager.BT_AUDIO_LOST,
+                HEARING_AID_DEVICE_LEFT.getAddress());
+        assertEquals(BluetoothRouteManager.AUDIO_OFF_STATE_NAME, sm.getCurrentState().getName());
+        sm.quitNow();
+    }
+
+    @SmallTest
+    @Test
+    public void testConnectBtWithoutAddress() {
+        when(mFeatureFlags.useActualAddressToEnterConnectingState()).thenReturn(true);
+        BluetoothRouteManager sm = setupStateMachine(
+                BluetoothRouteManager.AUDIO_CONNECTED_STATE_NAME_PREFIX, DEVICE1);
+        setupConnectedDevices(new BluetoothDevice[]{DEVICE1, DEVICE2}, null, null, null, null,
+                null);
+        when(mTimeoutsAdapter.getRetryBluetoothConnectAudioBackoffMillis(
+                nullable(ContentResolver.class))).thenReturn(0L);
+        when(mBluetoothHeadset.connectAudio()).thenReturn(BluetoothStatusCodes.ERROR_UNKNOWN);
+        executeRoutingAction(sm, BluetoothRouteManager.CONNECT_BT, null);
+        // Wait 3 times: the first connection attempt is accounted for in executeRoutingAction,
+        // so wait twice for the retry attempt, again to make sure there are only three attempts,
+        // and once more for good luck.
+        waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
+        verifyConnectionAttempt(DEVICE1, 1);
+        assertEquals(BluetoothRouteManager.AUDIO_CONNECTED_STATE_NAME_PREFIX
+                        + ":" + DEVICE1.getAddress(),
+                sm.getCurrentState().getName());
+        sm.getHandler().removeMessages(BluetoothRouteManager.CONNECTION_TIMEOUT);
+        sm.quitNow();
+    }
+
     private BluetoothRouteManager setupStateMachine(String initialState,
             BluetoothDevice initialDevice) {
         resetMocks();
         BluetoothRouteManager sm = new BluetoothRouteManager(mContext,
                 new TelecomSystem.SyncRoot() { }, mDeviceManager,
-                mTimeoutsAdapter, mCommunicationDeviceTracker);
+                mTimeoutsAdapter, mCommunicationDeviceTracker, mFeatureFlags);
         sm.setListener(mListener);
         sm.setInitialStateForTesting(initialState, initialDevice);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
@@ -188,10 +289,11 @@
 
     private void setupConnectedDevices(BluetoothDevice[] hfpDevices,
             BluetoothDevice[] hearingAidDevices, BluetoothDevice[] leAudioDevices,
-            BluetoothDevice hfpActiveDevice, BluetoothDevice hearingAidActiveDevice,
+            BluetoothDevice hfpActiveDevice, BluetoothDevice[] hearingAidActiveDevices,
             BluetoothDevice leAudioDevice) {
         if (hfpDevices == null) hfpDevices = new BluetoothDevice[]{};
         if (hearingAidDevices == null) hearingAidDevices = new BluetoothDevice[]{};
+        if (hearingAidActiveDevices == null) hearingAidActiveDevices = new BluetoothDevice[]{};
         if (leAudioDevice == null) leAudioDevices = new BluetoothDevice[]{};
 
         when(mDeviceManager.getNumConnectedDevices()).thenReturn(
@@ -210,7 +312,7 @@
         when(mBluetoothHearingAid.getConnectedDevices())
                 .thenReturn(Arrays.asList(hearingAidDevices));
         when(mBluetoothAdapter.getActiveDevices(eq(BluetoothProfile.HEARING_AID)))
-                .thenReturn(Arrays.asList(hearingAidActiveDevice, null));
+                .thenReturn(Arrays.asList(hearingAidActiveDevices));
         when(mBluetoothAdapter.getActiveDevices(eq(BluetoothProfile.LE_AUDIO)))
                 .thenReturn(Arrays.asList(leAudioDevice, null));
     }
diff --git a/tests/src/com/android/server/telecom/tests/BluetoothRouteTransitionTests.java b/tests/src/com/android/server/telecom/tests/BluetoothRouteTransitionTests.java
index 15a81d4..c546c3f 100644
--- a/tests/src/com/android/server/telecom/tests/BluetoothRouteTransitionTests.java
+++ b/tests/src/com/android/server/telecom/tests/BluetoothRouteTransitionTests.java
@@ -16,6 +16,21 @@
 
 package com.android.server.telecom.tests;
 
+import static com.android.server.telecom.tests.BluetoothRouteManagerTest.DEVICE1;
+import static com.android.server.telecom.tests.BluetoothRouteManagerTest.DEVICE2;
+import static com.android.server.telecom.tests.BluetoothRouteManagerTest.DEVICE3;
+import static com.android.server.telecom.tests.BluetoothRouteManagerTest.executeRoutingAction;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.Mockito.clearInvocations;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothHeadset;
@@ -25,7 +40,8 @@
 import android.bluetooth.BluetoothStatusCodes;
 import android.content.ContentResolver;
 import android.telecom.Log;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.os.SomeArgs;
 import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
@@ -46,23 +62,8 @@
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
-import java.util.stream.Stream;
 import java.util.stream.Collectors;
 
-import static com.android.server.telecom.tests.BluetoothRouteManagerTest.DEVICE1;
-import static com.android.server.telecom.tests.BluetoothRouteManagerTest.DEVICE2;
-import static com.android.server.telecom.tests.BluetoothRouteManagerTest.DEVICE3;
-import static com.android.server.telecom.tests.BluetoothRouteManagerTest.executeRoutingAction;
-import static org.junit.Assert.assertEquals;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Mockito.clearInvocations;
-import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(Parameterized.class)
 public class BluetoothRouteTransitionTests extends TelecomTestCase {
     private enum ListenerUpdate {
@@ -419,7 +420,7 @@
                 nullable(ContentResolver.class))).thenReturn(100000L);
         BluetoothRouteManager sm = new BluetoothRouteManager(mContext,
                 new TelecomSystem.SyncRoot() { }, mDeviceManager,
-                mTimeoutsAdapter, mCommunicationDeviceTracker);
+                mTimeoutsAdapter, mCommunicationDeviceTracker, mFeatureFlags);
         sm.setListener(mListener);
         sm.setInitialStateForTesting(initialState, initialDevice);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
diff --git a/tests/src/com/android/server/telecom/tests/CallAnomalyWatchdogTest.java b/tests/src/com/android/server/telecom/tests/CallAnomalyWatchdogTest.java
index 7e197fe..86d24f9 100644
--- a/tests/src/com/android/server/telecom/tests/CallAnomalyWatchdogTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallAnomalyWatchdogTest.java
@@ -27,6 +27,7 @@
 
 import android.content.ComponentName;
 import android.net.Uri;
+import android.os.UserHandle;
 import android.telecom.DisconnectCause;
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
@@ -123,6 +124,7 @@
         mCallAnomalyWatchdog = new CallAnomalyWatchdog(mTestScheduledExecutorService, mLock,
                 mTimeouts, mMockClockProxy, mMockEmergencyCallDiagnosticLogger);
         mCallAnomalyWatchdog.setAnomalyReporterAdapter(mAnomalyReporterAdapter);
+        when(mMockCallsManager.getCurrentUserHandle()).thenReturn(UserHandle.CURRENT);
     }
 
     @Override
@@ -862,6 +864,7 @@
                 false /* shouldAttachToExistingConnection*/,
                 false /* isConference */,
                 mMockClockProxy,
-                mMockToastProxy);
+                mMockToastProxy,
+                mFeatureFlags);
     }
 }
\ No newline at end of file
diff --git a/tests/src/com/android/server/telecom/tests/CallAudioManagerTest.java b/tests/src/com/android/server/telecom/tests/CallAudioManagerTest.java
index c8ceea9..97405a3 100644
--- a/tests/src/com/android/server/telecom/tests/CallAudioManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallAudioManagerTest.java
@@ -16,26 +16,45 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.clearInvocations;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.media.ToneGenerator;
 import android.telecom.DisconnectCause;
-import android.test.suitebuilder.annotation.MediumTest;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.util.SparseArray;
 
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+
 import com.android.server.telecom.Call;
+import com.android.server.telecom.CallAudioManager;
 import com.android.server.telecom.CallAudioModeStateMachine;
 import com.android.server.telecom.CallAudioModeStateMachine.MessageArgs;
+import com.android.server.telecom.CallAudioModeStateMachine.MessageArgs.Builder;
 import com.android.server.telecom.CallAudioRouteStateMachine;
 import com.android.server.telecom.CallState;
 import com.android.server.telecom.CallsManager;
-import com.android.server.telecom.CallAudioManager;
 import com.android.server.telecom.DtmfLocalTonePlayer;
 import com.android.server.telecom.InCallTonePlayer;
-import com.android.server.telecom.CallAudioModeStateMachine.MessageArgs.Builder;
 import com.android.server.telecom.RingbackPlayer;
 import com.android.server.telecom.Ringer;
 import com.android.server.telecom.TelecomSystem;
 import com.android.server.telecom.bluetooth.BluetoothStateReceiver;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import org.junit.After;
 import org.junit.Before;
@@ -50,23 +69,6 @@
 import java.util.List;
 import java.util.stream.Collectors;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.atLeastOnce;
-import static org.mockito.Mockito.clearInvocations;
-import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class CallAudioManagerTest extends TelecomTestCase {
     @Mock private CallAudioRouteStateMachine mCallAudioRouteStateMachine;
@@ -79,6 +81,8 @@
     @Mock private BluetoothStateReceiver mBluetoothStateReceiver;
     @Mock private TelecomSystem.SyncRoot mLock;
 
+    @Mock private FeatureFlags mFlags;
+
     private CallAudioManager mCallAudioManager;
 
     @Override
@@ -88,12 +92,13 @@
         doAnswer((invocation) -> {
             InCallTonePlayer mockInCallTonePlayer = mock(InCallTonePlayer.class);
             doAnswer((invocation2) -> {
-                mCallAudioManager.setIsTonePlaying(true);
+                mCallAudioManager.setIsTonePlaying(invocation.getArgument(0), true);
                 return true;
             }).when(mockInCallTonePlayer).startTone();
             return mockInCallTonePlayer;
-        }).when(mPlayerFactory).createPlayer(anyInt());
+        }).when(mPlayerFactory).createPlayer(any(Call.class), anyInt());
         when(mCallsManager.getLock()).thenReturn(mLock);
+        when(mFlags.ensureAudioModeUpdatesOnForegroundCallChange()).thenReturn(true);
         mCallAudioManager = new CallAudioManager(
                 mCallAudioRouteStateMachine,
                 mCallsManager,
@@ -102,7 +107,8 @@
                 mRinger,
                 mRingbackPlayer,
                 mBluetoothStateReceiver,
-                mDtmfLocalTonePlayer);
+                mDtmfLocalTonePlayer,
+                mFlags);
     }
 
     @Override
@@ -205,7 +211,7 @@
         assertMessageArgEquality(correctArgs, captor.getValue());
 
         disconnectCall(call);
-        stopTone();
+        stopTone(call);
 
         mCallAudioManager.onCallRemoved(call);
         verifyProperCleanup();
@@ -242,7 +248,7 @@
         mCallAudioManager.onCallStateChanged(call, CallState.ANSWERED, CallState.ACTIVE);
 
         disconnectCall(call);
-        stopTone();
+        stopTone(call);
 
         mCallAudioManager.onCallRemoved(call);
         verifyProperCleanup();
@@ -278,26 +284,40 @@
         verify(mCallAudioModeStateMachine, times(2)).sendMessageWithArgs(
                 eq(CallAudioModeStateMachine.NEW_ACTIVE_OR_DIALING_CALL), captor.capture());
         assertMessageArgEquality(expectedArgs, captor.getValue());
-        // Expet another invocation due to audio mode change signal.
-        verify(mCallAudioModeStateMachine, times(3)).sendMessageWithArgs(
-                anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
-
+        if (mFlags.ensureAudioModeUpdatesOnForegroundCallChange()) {
+            // Expect another invocation due to audio mode change signal.
+            verify(mCallAudioModeStateMachine, times(3)).sendMessageWithArgs(
+                    anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
+        } else {
+            verify(mCallAudioModeStateMachine, times(2)).sendMessageWithArgs(
+                    anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
+        }
 
         when(call.getState()).thenReturn(CallState.ACTIVE);
         mCallAudioManager.onCallStateChanged(call, CallState.DIALING, CallState.ACTIVE);
         verify(mCallAudioModeStateMachine, times(3)).sendMessageWithArgs(
                 eq(CallAudioModeStateMachine.NEW_ACTIVE_OR_DIALING_CALL), captor.capture());
         assertMessageArgEquality(expectedArgs, captor.getValue());
-        verify(mCallAudioModeStateMachine, times(4)).sendMessageWithArgs(
-                anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
-
+        if (mFlags.ensureAudioModeUpdatesOnForegroundCallChange()) {
+            verify(mCallAudioModeStateMachine, times(4)).sendMessageWithArgs(
+                    anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
+        } else {
+            verify(mCallAudioModeStateMachine, times(3)).sendMessageWithArgs(
+                    anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
+        }
         disconnectCall(call);
-        stopTone();
+        stopTone(call);
 
         mCallAudioManager.onCallRemoved(call);
         verifyProperCleanup();
     }
 
+    @Test
+    public void testSingleOutgoingCallWithoutAudioModeUpdateOnForegroundCallChange() {
+        when(mFlags.ensureAudioModeUpdatesOnForegroundCallChange()).thenReturn(false);
+        testSingleOutgoingCall();
+    }
+
     @MediumTest
     @Test
     public void testRingbackStartStop() {
@@ -329,9 +349,14 @@
         verify(mCallAudioModeStateMachine, times(2)).sendMessageWithArgs(
                 eq(CallAudioModeStateMachine.NEW_ACTIVE_OR_DIALING_CALL), captor.capture());
         assertMessageArgEquality(expectedArgs, captor.getValue());
-        // Expect an extra time due to audio mode change signal
-        verify(mCallAudioModeStateMachine, times(3)).sendMessageWithArgs(
-                anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
+        if (mFlags.ensureAudioModeUpdatesOnForegroundCallChange()) {
+            // Expect an extra time due to audio mode change signal
+            verify(mCallAudioModeStateMachine, times(3)).sendMessageWithArgs(
+                    anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
+        } else {
+            verify(mCallAudioModeStateMachine, times(2)).sendMessageWithArgs(
+                    anyInt(), any(CallAudioModeStateMachine.MessageArgs.class));
+        }
 
         // Ensure we started ringback.
         verify(mRingbackPlayer).startRingbackForCall(any(Call.class));
@@ -353,6 +378,12 @@
         verify(mRingbackPlayer, times(1)).startRingbackForCall(any(Call.class));
     }
 
+    @Test
+    public void testRingbackStartStopWithoutAudioModeUpdateOnForegroundCallChange() {
+        when(mFlags.ensureAudioModeUpdatesOnForegroundCallChange()).thenReturn(false);
+        testRingbackStartStop();
+    }
+
     @SmallTest
     @Test
     public void testNewCallGoesToAudioProcessing() {
@@ -498,7 +529,7 @@
 
         mCallAudioManager.onCallStateChanged(call, CallState.AUDIO_PROCESSING,
                 CallState.DISCONNECTED);
-        verify(mPlayerFactory, never()).createPlayer(anyInt());
+        verify(mPlayerFactory, never()).createPlayer(any(Call.class), anyInt());
         CallAudioModeStateMachine.MessageArgs expectedArgs2 = new Builder()
                 .setHasActiveOrDialingCalls(false)
                 .setHasRingingCalls(false)
@@ -529,7 +560,7 @@
 
         mCallAudioManager.onCallStateChanged(call, CallState.AUDIO_PROCESSING,
                 CallState.SIMULATED_RINGING);
-        verify(mPlayerFactory, never()).createPlayer(anyInt());
+        verify(mPlayerFactory, never()).createPlayer(any(Call.class), anyInt());
         CallAudioModeStateMachine.MessageArgs expectedArgs = new Builder()
                 .setHasActiveOrDialingCalls(false)
                 .setHasRingingCalls(true)
@@ -558,7 +589,7 @@
 
         mCallAudioManager.onCallStateChanged(call, CallState.AUDIO_PROCESSING,
                 CallState.ACTIVE);
-        verify(mPlayerFactory, never()).createPlayer(anyInt());
+        verify(mPlayerFactory, never()).createPlayer(any(Call.class), anyInt());
         CallAudioModeStateMachine.MessageArgs expectedArgs = new Builder()
                 .setHasActiveOrDialingCalls(true)
                 .setHasRingingCalls(false)
@@ -587,7 +618,7 @@
 
         mCallAudioManager.onCallStateChanged(call, CallState.SIMULATED_RINGING,
                 CallState.ACTIVE);
-        verify(mPlayerFactory, never()).createPlayer(anyInt());
+        verify(mPlayerFactory, never()).createPlayer(any(Call.class), anyInt());
         CallAudioModeStateMachine.MessageArgs expectedArgs = new Builder()
                 .setHasActiveOrDialingCalls(true)
                 .setHasRingingCalls(false)
@@ -646,7 +677,7 @@
 
         mCallAudioManager.onCallStateChanged(call, CallState.SIMULATED_RINGING,
                 CallState.DISCONNECTED);
-        verify(mPlayerFactory, never()).createPlayer(anyInt());
+        verify(mPlayerFactory, never()).createPlayer(any(Call.class), anyInt());
         CallAudioModeStateMachine.MessageArgs expectedArgs2 = new Builder()
                 .setHasActiveOrDialingCalls(false)
                 .setHasRingingCalls(false)
@@ -708,6 +739,10 @@
     @SmallTest
     @Test
     public void testTriggerAudioManagerModeChange() {
+        if (!mFlags.ensureAudioModeUpdatesOnForegroundCallChange()) {
+            // Skip if the new behavior isn't in use.
+            return;
+        }
         // Start with an incoming PSTN call
         Call pstnCall = mock(Call.class);
         when(pstnCall.getState()).thenReturn(CallState.RINGING);
@@ -835,7 +870,7 @@
                 "", "", "", ToneGenerator.TONE_PROP_PROMPT));
 
         mCallAudioManager.onCallStateChanged(call, CallState.ACTIVE, CallState.DISCONNECTED);
-        verify(mPlayerFactory).createPlayer(InCallTonePlayer.TONE_CALL_ENDED);
+        verify(mPlayerFactory).createPlayer(any(Call.class), eq(InCallTonePlayer.TONE_CALL_ENDED));
         correctArgs = new Builder()
                 .setHasActiveOrDialingCalls(false)
                 .setHasRingingCalls(false)
@@ -852,10 +887,10 @@
         assertMessageArgEquality(correctArgs, captor.getValue());
     }
 
-    private void stopTone() {
+    private void stopTone(Call call) {
         ArgumentCaptor<CallAudioModeStateMachine.MessageArgs> captor =
                 ArgumentCaptor.forClass(CallAudioModeStateMachine.MessageArgs.class);
-        mCallAudioManager.setIsTonePlaying(false);
+        mCallAudioManager.setIsTonePlaying(call, false);
         CallAudioModeStateMachine.MessageArgs correctArgs = new Builder()
                         .setHasActiveOrDialingCalls(false)
                         .setHasRingingCalls(false)
diff --git a/tests/src/com/android/server/telecom/tests/CallAudioModeStateMachineTest.java b/tests/src/com/android/server/telecom/tests/CallAudioModeStateMachineTest.java
index d7854a5..4513c65 100644
--- a/tests/src/com/android/server/telecom/tests/CallAudioModeStateMachineTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallAudioModeStateMachineTest.java
@@ -16,14 +16,32 @@
 
 package com.android.server.telecom.tests;
 
+import static com.android.server.telecom.CallAudioModeStateMachine.CALL_AUDIO_FOCUS_REQUEST;
+import static com.android.server.telecom.CallAudioModeStateMachine.RING_AUDIO_FOCUS_REQUEST;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.Mockito.atLeast;
+import static org.mockito.Mockito.clearInvocations;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.media.AudioFocusRequest;
 import android.media.AudioManager;
 import android.os.HandlerThread;
-import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.filters.SmallTest;
+
+import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
 import com.android.server.telecom.CallAudioManager;
 import com.android.server.telecom.CallAudioModeStateMachine;
-import com.android.server.telecom.CallAudioRouteStateMachine;
 import com.android.server.telecom.CallAudioModeStateMachine.MessageArgs.Builder;
+import com.android.server.telecom.CallAudioRouteStateMachine;
 import com.android.server.telecom.SystemStateHelper;
 
 import org.junit.After;
@@ -31,18 +49,9 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
+import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Mockito.clearInvocations;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class CallAudioModeStateMachineTest extends TelecomTestCase {
     private static final int TEST_TIMEOUT = 1000;
@@ -51,6 +60,7 @@
     @Mock private AudioManager mAudioManager;
     @Mock private CallAudioManager mCallAudioManager;
     @Mock private CallAudioRouteStateMachine mCallAudioRouteStateMachine;
+    @Mock private CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
 
     private HandlerThread mTestThread;
 
@@ -60,8 +70,9 @@
         mTestThread = new HandlerThread("CallAudioModeStateMachineTest");
         mTestThread.start();
         super.setUp();
-        when(mCallAudioManager.getCallAudioRouteStateMachine())
+        when(mCallAudioManager.getCallAudioRouteAdapter())
                 .thenReturn(mCallAudioRouteStateMachine);
+        when(mFeatureFlags.telecomResolveHiddenDependencies()).thenReturn(false);
     }
 
     @Override
@@ -76,7 +87,7 @@
     @Test
     public void testNoFocusWhenRingerSilenced() throws Throwable {
         CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
-                mAudioManager, mTestThread.getLooper());
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
         sm.setCallAudioManager(mCallAudioManager);
         sm.sendMessage(CallAudioModeStateMachine.ABANDON_FOCUS_FOR_TESTING);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
@@ -108,7 +119,7 @@
     @Test
     public void testSwitchToStreamingMode() {
         CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
-                mAudioManager, mTestThread.getLooper());
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
         sm.setCallAudioManager(mCallAudioManager);
         sm.sendMessage(CallAudioModeStateMachine.ABANDON_FOCUS_FOR_TESTING);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
@@ -138,7 +149,7 @@
     @Test
     public void testExitStreamingMode() {
         CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
-                mAudioManager, mTestThread.getLooper());
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
         sm.setCallAudioManager(mCallAudioManager);
         sm.sendMessage(CallAudioModeStateMachine.ENTER_STREAMING_FOCUS_FOR_TESTING);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
@@ -166,7 +177,7 @@
     @Test
     public void testNoRingWhenDeviceIsAtEar() {
         CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
-                mAudioManager, mTestThread.getLooper());
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
         sm.setCallAudioManager(mCallAudioManager);
         sm.sendMessage(CallAudioModeStateMachine.ABANDON_FOCUS_FOR_TESTING);
         sm.sendMessage(CallAudioModeStateMachine.NEW_HOLDING_CALL, new Builder()
@@ -202,7 +213,7 @@
     @Test
     public void testRegainFocusWhenHfpIsConnectedSilenced() throws Throwable {
         CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
-                mAudioManager, mTestThread.getLooper());
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
         sm.setCallAudioManager(mCallAudioManager);
         sm.sendMessage(CallAudioModeStateMachine.ABANDON_FOCUS_FOR_TESTING);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
@@ -246,7 +257,7 @@
     @Test
     public void testDoNotRingTwiceWhenHfpConnected() {
         CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
-                mAudioManager, mTestThread.getLooper());
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
         sm.setCallAudioManager(mCallAudioManager);
         sm.sendMessage(CallAudioModeStateMachine.ABANDON_FOCUS_FOR_TESTING);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
@@ -284,7 +295,7 @@
     @Test
     public void testStartRingingAfterHfpConnectedIfNotAlreadyPlaying() {
         CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
-                mAudioManager, mTestThread.getLooper());
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
         sm.setCallAudioManager(mCallAudioManager);
         sm.sendMessage(CallAudioModeStateMachine.ABANDON_FOCUS_FOR_TESTING);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
@@ -318,7 +329,46 @@
         verify(mCallAudioManager, times(2)).startRinging();
     }
 
+    @SmallTest
+    @Test
+    public void testAudioFocusRequestWithResolveHiddenDependencies() {
+        CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
+        when(mFeatureFlags.telecomResolveHiddenDependencies()).thenReturn(true);
+        ArgumentCaptor<AudioFocusRequest> captor = ArgumentCaptor.forClass(AudioFocusRequest.class);
+        sm.setCallAudioManager(mCallAudioManager);
+
+        resetMocks();
+        when(mCallAudioManager.startRinging()).thenReturn(true);
+        when(mCallAudioManager.isRingtonePlaying()).thenReturn(false);
+
+        sm.sendMessage(CallAudioModeStateMachine.ENTER_RING_FOCUS_FOR_TESTING);
+        waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
+        verify(mAudioManager).requestAudioFocus(captor.capture());
+        assertTrue(areAudioFocusRequestsMatch(captor.getValue(), RING_AUDIO_FOCUS_REQUEST));
+
+        sm.sendMessage(CallAudioModeStateMachine.ENTER_CALL_FOCUS_FOR_TESTING);
+        waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
+        verify(mAudioManager, atLeast(1)).requestAudioFocus(captor.capture());
+        AudioFocusRequest request = captor.getValue();
+        assertTrue(areAudioFocusRequestsMatch(request, CALL_AUDIO_FOCUS_REQUEST));
+
+        sm.sendMessage(CallAudioModeStateMachine.ABANDON_FOCUS_FOR_TESTING);
+    }
+
     private void resetMocks() {
         clearInvocations(mCallAudioManager, mAudioManager);
     }
+
+    private boolean areAudioFocusRequestsMatch(AudioFocusRequest r1, AudioFocusRequest r2) {
+        if ((r1 == null) || (r2 == null)) {
+            return false;
+        }
+
+        if (r1.getFocusGain() != r2.getFocusGain()) {
+            return false;
+        }
+
+        return r1.getAudioAttributes().equals(r2.getAudioAttributes());
+    }
 }
diff --git a/tests/src/com/android/server/telecom/tests/CallAudioModeTransitionTests.java b/tests/src/com/android/server/telecom/tests/CallAudioModeTransitionTests.java
index c7e5aa9..844a216 100644
--- a/tests/src/com/android/server/telecom/tests/CallAudioModeTransitionTests.java
+++ b/tests/src/com/android/server/telecom/tests/CallAudioModeTransitionTests.java
@@ -16,10 +16,22 @@
 
 package com.android.server.telecom.tests;
 
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.media.AudioManager;
 import android.os.HandlerThread;
-import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.filters.SmallTest;
+
+import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
 import com.android.server.telecom.CallAudioManager;
 import com.android.server.telecom.CallAudioModeStateMachine;
 import com.android.server.telecom.CallAudioModeStateMachine.MessageArgs;
@@ -36,15 +48,6 @@
 import java.util.Collection;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(Parameterized.class)
 public class CallAudioModeTransitionTests extends TelecomTestCase {
     private static class ModeTestParameters {
@@ -103,6 +106,7 @@
     @Mock private SystemStateHelper mSystemStateHelper;
     @Mock private AudioManager mAudioManager;
     @Mock private CallAudioManager mCallAudioManager;
+    @Mock private CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
     private final ModeTestParameters mParams;
     private HandlerThread mTestThread;
 
@@ -130,13 +134,14 @@
     @SmallTest
     public void modeTransitionTest() {
         CallAudioModeStateMachine sm = new CallAudioModeStateMachine(mSystemStateHelper,
-                mAudioManager, mTestThread.getLooper());
+                mAudioManager, mTestThread.getLooper(), mFeatureFlags, mCommunicationDeviceTracker);
         sm.setCallAudioManager(mCallAudioManager);
         sm.sendMessage(mParams.initialAudioState);
         waitForHandlerAction(sm.getHandler(), TEST_TIMEOUT);
 
         resetMocks();
         when(mCallAudioManager.startRinging()).thenReturn(true);
+        when(mFeatureFlags.telecomResolveHiddenDependencies()).thenReturn(false);
         if (mParams.initialAudioState
                 == CallAudioModeStateMachine.ENTER_AUDIO_PROCESSING_FOCUS_FOR_TESTING) {
             when(mAudioManager.getMode())
diff --git a/tests/src/com/android/server/telecom/tests/CallAudioRoutePeripheralAdapterTest.java b/tests/src/com/android/server/telecom/tests/CallAudioRoutePeripheralAdapterTest.java
index 2fc6ec6..79247be 100644
--- a/tests/src/com/android/server/telecom/tests/CallAudioRoutePeripheralAdapterTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallAudioRoutePeripheralAdapterTest.java
@@ -24,7 +24,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.test.suitebuilder.annotation.SmallTest;
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.AsyncRingtonePlayer;
 import com.android.server.telecom.CallAudioRoutePeripheralAdapter;
diff --git a/tests/src/com/android/server/telecom/tests/CallAudioRouteStateMachineTest.java b/tests/src/com/android/server/telecom/tests/CallAudioRouteStateMachineTest.java
index a4dd1fe..d2da505 100644
--- a/tests/src/com/android/server/telecom/tests/CallAudioRouteStateMachineTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallAudioRouteStateMachineTest.java
@@ -16,6 +16,26 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.same;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.bluetooth.BluetoothDevice;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -26,19 +46,20 @@
 import android.media.IAudioService;
 import android.os.HandlerThread;
 import android.telecom.CallAudioState;
-import android.test.suitebuilder.annotation.MediumTest;
-import android.test.suitebuilder.annotation.SmallTest;
 
-import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
-import com.android.server.telecom.bluetooth.BluetoothRouteManager;
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+
 import com.android.server.telecom.Call;
+import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
+import com.android.server.telecom.CallAudioManager;
 import com.android.server.telecom.CallAudioRouteStateMachine;
 import com.android.server.telecom.CallsManager;
 import com.android.server.telecom.ConnectionServiceWrapper;
-import com.android.server.telecom.CallAudioManager;
 import com.android.server.telecom.StatusBarNotifier;
 import com.android.server.telecom.TelecomSystem;
 import com.android.server.telecom.WiredHeadsetManager;
+import com.android.server.telecom.bluetooth.BluetoothRouteManager;
 
 import org.junit.After;
 import org.junit.Before;
@@ -59,26 +80,6 @@
 import java.util.List;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.same;
-import static org.mockito.Mockito.atLeastOnce;
-import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.timeout;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class CallAudioRouteStateMachineTest extends TelecomTestCase {
 
@@ -98,6 +99,7 @@
     @Mock Call fakeSelfManagedCall;
     @Mock Call fakeCall;
     @Mock CallAudioManager mockCallAudioManager;
+    @Mock BluetoothDevice mockWatchDevice;
 
     private CallAudioManager.AudioServiceFactory mAudioServiceFactory;
     private static final int TEST_TIMEOUT = 500;
@@ -136,9 +138,12 @@
         when(fakeSelfManagedCall.isAlive()).thenReturn(true);
         when(fakeSelfManagedCall.getSupportedAudioRoutes()).thenReturn(CallAudioState.ROUTE_ALL);
         when(fakeSelfManagedCall.isSelfManaged()).thenReturn(true);
+        when(mFeatureFlags.transitRouteBeforeAudioDisconnectBt()).thenReturn(false);
 
         doNothing().when(mockConnectionServiceWrapper).onCallAudioStateChanged(any(Call.class),
                 any(CallAudioState.class));
+        when(mFeatureFlags.ignoreAutoRouteToWatchDevice()).thenReturn(false);
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(false);
     }
 
     @Override
@@ -162,7 +167,8 @@
                 CallAudioRouteStateMachine.EARPIECE_AUTO_DETECT,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
 
         // Since we don't know if we're on a platform with an earpiece or not, all we can do
         // is ensure the stateMachine construction didn't fail.  But at least we exercised the
@@ -183,7 +189,8 @@
                 CallAudioRouteStateMachine.EARPIECE_AUTO_DETECT,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         Set<Call> trackedCalls = new HashSet<>(Arrays.asList(fakeCall, fakeSelfManagedCall));
@@ -206,8 +213,8 @@
         stateMachine.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.UPDATE_SYSTEM_AUDIO_ROUTE);
 
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // assert expected end state
         assertEquals(stateMachine.getCurrentCallAudioState().getRoute(),
@@ -217,6 +224,112 @@
                 .onCallAudioStateChanged(any(), any());
     }
 
+    @SmallTest
+    @Test
+    public void testSystemAudioStateIsNotUpdatedFlagOff() {
+        CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
+                mContext,
+                mockCallsManager,
+                mockBluetoothRouteManager,
+                mockWiredHeadsetManager,
+                mockStatusBarNotifier,
+                mAudioServiceFactory,
+                CallAudioRouteStateMachine.EARPIECE_AUTO_DETECT,
+                mThreadHandler.getLooper(),
+                Runnable::run /** do async stuff sync for test purposes */,
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+
+        Set<Call> trackedCalls = new HashSet<>(Arrays.asList(fakeCall, fakeSelfManagedCall));
+        when(mockCallsManager.getTrackedCalls()).thenReturn(trackedCalls);
+        when(mFeatureFlags.availableRoutesNeverUpdatedAfterSetSystemAudioState()).thenReturn(false);
+
+        // start state --> ROUTE_EARPIECE
+        CallAudioState initState = new CallAudioState(false, CallAudioState.ROUTE_EARPIECE,
+                CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_SPEAKER);
+        stateMachine.initialize(initState);
+
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+
+        assertEquals(stateMachine.getCurrentCallAudioState().getRoute(),
+                CallAudioRouteStateMachine.ROUTE_EARPIECE);
+
+        // ROUTE_EARPIECE  --> ROUTE_SPEAKER
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_SPEAKER,
+                CallAudioRouteStateMachine.SPEAKER_ON);
+
+        stateMachine.sendMessageWithSessionInfo(
+                CallAudioRouteStateMachine.UPDATE_SYSTEM_AUDIO_ROUTE);
+
+        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+
+        CallAudioState expectedCallAudioState = stateMachine.getLastKnownCallAudioState();
+
+        // assert expected end state
+        assertEquals(stateMachine.getCurrentCallAudioState().getRoute(),
+                CallAudioRouteStateMachine.ROUTE_SPEAKER);
+        // should update the audio route on all tracked calls ...
+        verify(mockConnectionServiceWrapper, times(trackedCalls.size()))
+                .onCallAudioStateChanged(any(), any());
+
+        assertNotEquals(expectedCallAudioState, stateMachine.getCurrentCallAudioState());
+    }
+
+    @SmallTest
+    @Test
+    public void testSystemAudioStateIsUpdatedFlagOn() {
+        CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
+                mContext,
+                mockCallsManager,
+                mockBluetoothRouteManager,
+                mockWiredHeadsetManager,
+                mockStatusBarNotifier,
+                mAudioServiceFactory,
+                CallAudioRouteStateMachine.EARPIECE_AUTO_DETECT,
+                mThreadHandler.getLooper(),
+                Runnable::run /** do async stuff sync for test purposes */,
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+
+        Set<Call> trackedCalls = new HashSet<>(Arrays.asList(fakeCall, fakeSelfManagedCall));
+        when(mockCallsManager.getTrackedCalls()).thenReturn(trackedCalls);
+        when(mFeatureFlags.availableRoutesNeverUpdatedAfterSetSystemAudioState()).thenReturn(true);
+
+        // start state --> ROUTE_EARPIECE
+        CallAudioState initState = new CallAudioState(false, CallAudioState.ROUTE_EARPIECE,
+                CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_SPEAKER);
+        stateMachine.initialize(initState);
+
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+
+        assertEquals(stateMachine.getCurrentCallAudioState().getRoute(),
+                CallAudioRouteStateMachine.ROUTE_EARPIECE);
+
+        // ROUTE_EARPIECE  --> ROUTE_SPEAKER
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_SPEAKER,
+                CallAudioRouteStateMachine.SPEAKER_ON);
+
+        stateMachine.sendMessageWithSessionInfo(
+                CallAudioRouteStateMachine.UPDATE_SYSTEM_AUDIO_ROUTE);
+
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+
+        CallAudioState expectedCallAudioState = stateMachine.getLastKnownCallAudioState();
+
+        // assert expected end state
+        assertEquals(stateMachine.getCurrentCallAudioState().getRoute(),
+                CallAudioRouteStateMachine.ROUTE_SPEAKER);
+        // should update the audio route on all tracked calls ...
+        verify(mockConnectionServiceWrapper, times(trackedCalls.size()))
+                .onCallAudioStateChanged(any(), any());
+
+        assertEquals(expectedCallAudioState, stateMachine.getCurrentCallAudioState());
+    }
+
     @MediumTest
     @Test
     public void testStreamRingMuteChange() {
@@ -230,7 +343,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
         CallAudioState initState = new CallAudioState(false, CallAudioState.ROUTE_SPEAKER,
                 CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_SPEAKER);
@@ -260,6 +374,7 @@
             foundValid = true;
         }
         assertTrue(foundValid);
+        verify(mockBluetoothRouteManager, timeout(1000L)).getBluetoothAudioConnectedDevice();
     }
 
     @MediumTest
@@ -275,7 +390,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
 
         when(mockBluetoothRouteManager.isBluetoothAudioConnectedOrPending()).thenReturn(false);
         when(mockBluetoothRouteManager.isBluetoothAvailable()).thenReturn(true);
@@ -298,14 +414,14 @@
         CallAudioState expectedMiddleState = new CallAudioState(false,
                 CallAudioState.ROUTE_WIRED_HEADSET,
                 CallAudioState.ROUTE_WIRED_HEADSET | CallAudioState.ROUTE_SPEAKER);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         verifyNewSystemCallAudioState(initState, expectedMiddleState);
         resetMocks();
 
         stateMachine.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.DISCONNECT_WIRED_HEADSET);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         verifyNewSystemCallAudioState(expectedMiddleState, initState);
     }
 
@@ -322,7 +438,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         when(mockBluetoothRouteManager.isBluetoothAudioConnectedOrPending()).thenReturn(false);
@@ -343,7 +460,7 @@
                 CallAudioState.ROUTE_EARPIECE,
                 CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH);
 
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         verifyNewSystemCallAudioState(initState, expectedEndState);
         resetMocks();
         stateMachine.sendMessageWithSessionInfo(
@@ -351,7 +468,7 @@
         stateMachine.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BT_ACTIVE_DEVICE_PRESENT);
 
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         assertEquals(expectedEndState, stateMachine.getCurrentCallAudioState());
     }
 
@@ -368,7 +485,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
         Collection<BluetoothDevice> availableDevices = Collections.singleton(bluetoothDevice1);
 
@@ -393,12 +511,12 @@
                 CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH,
                 null, availableDevices);
 
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         verifyNewSystemCallAudioState(initState, expectedMidState);
         // clear out the handler state before resetting mocks in order to avoid introducing a
         // CallAudioState that has a null list of supported BT devices
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         resetMocks();
 
         // Now, switch back to BT explicitly
@@ -416,9 +534,9 @@
                 CallAudioState.ROUTE_BLUETOOTH,
                 CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH,
                 bluetoothDevice1, availableDevices);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         // second wait needed for the BT_AUDIO_CONNECTED message
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         verifyNewSystemCallAudioState(expectedMidState, expectedEndState);
 
         stateMachine.sendMessageWithSessionInfo(
@@ -428,9 +546,9 @@
         stateMachine.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BT_ACTIVE_DEVICE_PRESENT);
 
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         // second wait needed for the BT_AUDIO_CONNECTED message
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         // Verify that we're still on bluetooth.
         assertEquals(expectedEndState, stateMachine.getCurrentCallAudioState());
     }
@@ -448,7 +566,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         when(mockBluetoothRouteManager.isBluetoothAudioConnectedOrPending()).thenReturn(false);
@@ -463,13 +582,13 @@
 
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.RINGING_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         verify(mockBluetoothRouteManager, never()).connectBluetoothAudio(nullable(String.class));
 
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.ACTIVE_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         verify(mockBluetoothRouteManager, times(1)).connectBluetoothAudio(nullable(String.class));
     }
 
@@ -486,7 +605,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
         setInBandRing(false);
         when(mockBluetoothRouteManager.isBluetoothAudioConnectedOrPending()).thenReturn(false);
@@ -500,7 +620,7 @@
                 CallAudioRouteStateMachine.RINGING_FOCUS);
         // Wait for the state machine to finish transiting to ActiveEarpiece before hooking up
         // bluetooth mocks
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         when(mockBluetoothRouteManager.isBluetoothAvailable()).thenReturn(true);
         when(mockBluetoothRouteManager.getConnectedDevices())
@@ -509,7 +629,7 @@
                 CallAudioRouteStateMachine.BLUETOOTH_DEVICE_LIST_CHANGED);
         stateMachine.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.BT_ACTIVE_DEVICE_PRESENT);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         verify(mockBluetoothRouteManager, never()).connectBluetoothAudio(null);
         CallAudioState expectedEndState = new CallAudioState(false,
@@ -520,13 +640,13 @@
 
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.ACTIVE_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         verify(mockBluetoothRouteManager, times(1)).connectBluetoothAudio(null);
 
         when(mockBluetoothRouteManager.getBluetoothAudioConnectedDevice())
                 .thenReturn(bluetoothDevice1);
         stateMachine.sendMessage(CallAudioRouteStateMachine.BT_AUDIO_CONNECTED);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         // It is possible that this will be called twice from ActiveBluetoothRoute#enter. The extra
         // call to setBluetoothOn will trigger BT_AUDIO_CONNECTED, which also ends up invoking
         // CallAudioManager#onRingerModeChange.
@@ -546,7 +666,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
         List<BluetoothDevice> availableDevices =
                 Arrays.asList(bluetoothDevice1, bluetoothDevice2, bluetoothDevice3);
@@ -572,17 +693,80 @@
 
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.USER_SWITCH_BLUETOOTH,
                 0, bluetoothDevice2.getAddress());
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         verify(mockBluetoothRouteManager).connectBluetoothAudio(bluetoothDevice2.getAddress());
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         CallAudioState expectedEndState = new CallAudioState(false,
                 CallAudioState.ROUTE_BLUETOOTH,
                 CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH,
                 bluetoothDevice2,
                 availableDevices);
 
-        verifyNewSystemCallAudioState(initState, expectedEndState);
+        assertEquals(expectedEndState, stateMachine.getCurrentCallAudioState());
+    }
+
+    @SmallTest
+    @Test
+    public void testCallDisconnectedWhenAudioRoutedToBluetooth() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
+        CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
+                mContext,
+                mockCallsManager,
+                mockBluetoothRouteManager,
+                mockWiredHeadsetManager,
+                mockStatusBarNotifier,
+                mAudioServiceFactory,
+                CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
+                mThreadHandler.getLooper(),
+                Runnable::run /** do async stuff sync for test purposes */,
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+        List<BluetoothDevice> availableDevices = Arrays.asList(bluetoothDevice1);
+
+        when(mockAudioManager.isSpeakerphoneOn()).thenReturn(false);
+        when(mockBluetoothRouteManager.isBluetoothAudioConnectedOrPending()).thenReturn(false);
+        when(mockBluetoothRouteManager.isBluetoothAvailable()).thenReturn(true);
+        when(mockBluetoothRouteManager.getConnectedDevices()).thenReturn(availableDevices);
+        when(mockBluetoothRouteManager.isInbandRingingEnabled()).thenReturn(true);
+        when(mFeatureFlags.transitRouteBeforeAudioDisconnectBt()).thenReturn(true);
+        doAnswer(invocation -> {
+            when(mockBluetoothRouteManager.getBluetoothAudioConnectedDevice())
+                    .thenReturn(bluetoothDevice1);
+            stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.BT_AUDIO_CONNECTED);
+            return null;
+        }).when(mockBluetoothRouteManager).connectBluetoothAudio(bluetoothDevice1.getAddress());
+        doAnswer(invocation -> {
+            when(mockBluetoothRouteManager.getBluetoothAudioConnectedDevice())
+                    .thenReturn(bluetoothDevice1);
+            stateMachine.sendMessageWithSessionInfo(
+                    CallAudioRouteStateMachine.BT_AUDIO_DISCONNECTED);
+            return null;
+        }).when(mockBluetoothRouteManager).disconnectAudio();
+
+        CallAudioState initState = new CallAudioState(false, CallAudioState.ROUTE_BLUETOOTH,
+                CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH, null,
+                availableDevices);
+        stateMachine.initialize(initState);
+
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
+                CallAudioRouteStateMachine.ACTIVE_FOCUS);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
+                CallAudioRouteStateMachine.NO_FOCUS, bluetoothDevice1.getAddress());
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+
+        verify(mockBluetoothRouteManager).disconnectAudio();
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        CallAudioState expectedEndState = new CallAudioState(false,
+                CallAudioState.ROUTE_BLUETOOTH,
+                CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH,
+                bluetoothDevice1,
+                availableDevices);
+
+        assertEquals(expectedEndState, stateMachine.getCurrentCallAudioState());
     }
 
     @SmallTest
@@ -598,7 +782,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
         when(mockAudioManager.isSpeakerphoneOn()).thenReturn(false);
         CallAudioState initState = new CallAudioState(false, CallAudioState.ROUTE_SPEAKER,
@@ -607,13 +792,13 @@
 
         // Raise a dock connect event.
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.CONNECT_DOCK);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         assertTrue(!stateMachine.isInActiveState());
         verify(mockAudioManager, never()).setSpeakerphoneOn(eq(true));
 
         // Raise a dock disconnect event.
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.DISCONNECT_DOCK);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         assertTrue(!stateMachine.isInActiveState());
         verify(mockAudioManager, never()).setSpeakerphoneOn(eq(false));
     }
@@ -631,7 +816,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         when(mockAudioManager.isSpeakerphoneOn()).thenReturn(false);
@@ -643,7 +829,7 @@
         // Switch to active, pretending that a call came in.
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.ACTIVE_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // Make sure that we've successfully switched to the active speaker route and that we've
         // called setSpeakerOn
@@ -667,7 +853,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
         List<BluetoothDevice> availableDevices =
                 Arrays.asList(bluetoothDevice1, bluetoothDevice2);
@@ -689,28 +876,19 @@
         // Switch to active, pretending that a call came in.
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.ACTIVE_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // Make sure that we've successfully switched to the active BT route and that we've
         // called connectAudio on the right device.
         verify(mockBluetoothRouteManager, atLeastOnce())
                 .connectBluetoothAudio(eq(bluetoothDevice1.getAddress()));
         assertTrue(stateMachine.isInActiveState());
-
-        // Switch to inactive, pretending that the call disconnected.
-        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
-                CallAudioRouteStateMachine.NO_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
-
-        // Make sure that we've successfully switched to the quiescent BT route
-        assertEquals(CallAudioState.ROUTE_BLUETOOTH,
-                stateMachine.getCurrentCallAudioState().getRoute());
-        assertFalse(stateMachine.isInActiveState());
     }
 
     @SmallTest
     @Test
     public void testSetAndClearEarpieceCommunicationDevice() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
         CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
                 mContext,
                 mockCallsManager,
@@ -721,7 +899,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         AudioDeviceInfo earpiece = mock(AudioDeviceInfo.class);
@@ -744,7 +923,7 @@
         // Switch to active
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.ACTIVE_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // Make sure that we've successfully switched to the active earpiece and that we set the
         // communication device.
@@ -758,7 +937,7 @@
         // Route earpiece to speaker
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_SPEAKER,
                 CallAudioRouteStateMachine.SPEAKER_ON);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // Assert that communication device was cleared
         verify(mockAudioManager).clearCommunicationDevice();
@@ -767,18 +946,21 @@
     @SmallTest
     @Test
     public void testSetAndClearWiredHeadsetCommunicationDevice() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
         verifySetAndClearHeadsetCommunicationDevice(AudioDeviceInfo.TYPE_WIRED_HEADSET);
     }
 
     @SmallTest
     @Test
     public void testSetAndClearUsbHeadsetCommunicationDevice() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
         verifySetAndClearHeadsetCommunicationDevice(AudioDeviceInfo.TYPE_USB_HEADSET);
     }
 
     @SmallTest
     @Test
     public void testActiveFocusRouteSwitchFromQuiescentBluetooth() {
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
         CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
                 mContext,
                 mockCallsManager,
@@ -789,7 +971,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         // Start the route in quiescent and ensure that a switch to ACTIVE_FOCUS transitions to
@@ -802,7 +985,7 @@
         // Switch to active
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.ACTIVE_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // Make sure that we've successfully switched to the active route on BT
         assertTrue(stateMachine.isInActiveState());
@@ -894,7 +1077,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.initialize();
         assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
     }
@@ -912,7 +1096,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         CallAudioState initState = new CallAudioState(false, CallAudioState.ROUTE_EARPIECE,
@@ -923,12 +1108,12 @@
         CallAudioState expectedEndState = new CallAudioState(false,
                 CallAudioState.ROUTE_STREAMING, CallAudioState.ROUTE_STREAMING);
 
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         verifyNewSystemCallAudioState(initState, expectedEndState);
         resetMocks();
         stateMachine.sendMessageWithSessionInfo(
                 CallAudioRouteStateMachine.STREAMING_FORCE_DISABLED);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
         assertEquals(initState, stateMachine.getCurrentCallAudioState());
     }
 
@@ -949,7 +1134,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         CallAudioState initState = new CallAudioState(false, CallAudioState.ROUTE_SPEAKER,
@@ -974,6 +1160,154 @@
         assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
     }
 
+    @MediumTest
+    @Test
+    public void testIgnoreImplicitBTSwitchWhenDeviceIsWatch() {
+        when(mFeatureFlags.ignoreAutoRouteToWatchDevice()).thenReturn(true);
+        when(mFeatureFlags.callAudioCommunicationDeviceRefactor()).thenReturn(true);
+        CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
+                mContext,
+                mockCallsManager,
+                mockBluetoothRouteManager,
+                mockWiredHeadsetManager,
+                mockStatusBarNotifier,
+                mAudioServiceFactory,
+                CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
+                mThreadHandler.getLooper(),
+                Runnable::run /** do async stuff sync for test purposes */,
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+
+        AudioDeviceInfo headset = mock(AudioDeviceInfo.class);
+        when(headset.getType()).thenReturn(AudioDeviceInfo.TYPE_WIRED_HEADSET);
+        when(headset.getAddress()).thenReturn("");
+        List<AudioDeviceInfo> devices = new ArrayList<>();
+        devices.add(headset);
+
+        when(mockAudioManager.getAvailableCommunicationDevices())
+                .thenReturn(devices);
+        when(mockAudioManager.setCommunicationDevice(eq(headset)))
+                .thenReturn(true);
+        when(mockAudioManager.getCommunicationDevice()).thenReturn(headset);
+
+        CallAudioState initState = new CallAudioState(false,
+                CallAudioState.ROUTE_WIRED_HEADSET, CallAudioState.ROUTE_WIRED_HEADSET
+                | CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH);
+        stateMachine.initialize(initState);
+
+        // Switch to active
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
+                CallAudioRouteStateMachine.ACTIVE_FOCUS);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+
+        // Make sure that we've successfully switched to the active headset.
+        assertTrue(stateMachine.isInActiveState());
+        ArgumentCaptor<AudioDeviceInfo> infoArgumentCaptor = ArgumentCaptor.forClass(
+                AudioDeviceInfo.class);
+        verify(mockAudioManager).setCommunicationDevice(infoArgumentCaptor.capture());
+        assertEquals(AudioDeviceInfo.TYPE_WIRED_HEADSET, infoArgumentCaptor.getValue().getType());
+
+        // Set up watch device as only available BT device.
+        Collection<BluetoothDevice> availableDevices = Collections.singleton(mockWatchDevice);
+
+        when(mockBluetoothRouteManager.isBluetoothAudioConnectedOrPending()).thenReturn(false);
+        when(mockBluetoothRouteManager.isBluetoothAvailable()).thenReturn(true);
+        when(mockBluetoothRouteManager.getConnectedDevices()).thenReturn(availableDevices);
+        when(mockBluetoothRouteManager.isWatch(any(BluetoothDevice.class))).thenReturn(true);
+
+        // Disconnect wired headset to force switch to BT (verify that we ignore the implicit switch
+        // to BT when the watch is the only connected device and that we move into the next
+        // available route.
+        stateMachine.sendMessageWithSessionInfo(
+                CallAudioRouteStateMachine.DISCONNECT_WIRED_HEADSET);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        CallAudioState expectedState = new CallAudioState(false, CallAudioState.ROUTE_EARPIECE,
+                CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH,
+                null, availableDevices);
+        assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
+    }
+
+    @SmallTest
+    @Test
+    public void testQuiescentBluetoothRouteResetMute() {
+        when(mFeatureFlags.resetMuteWhenEnteringQuiescentBtRoute()).thenReturn(true);
+        CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
+                mContext,
+                mockCallsManager,
+                mockBluetoothRouteManager,
+                mockWiredHeadsetManager,
+                mockStatusBarNotifier,
+                mAudioServiceFactory,
+                CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
+                mThreadHandler.getLooper(),
+                Runnable::run /** do async stuff sync for test purposes */,
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+
+        CallAudioState initState = new CallAudioState(false,
+                CallAudioState.ROUTE_BLUETOOTH, CallAudioState.ROUTE_SPEAKER
+                | CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH);
+        stateMachine.initialize(initState);
+
+        // Switch to active and mute
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
+                CallAudioRouteStateMachine.ACTIVE_FOCUS);
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.BT_AUDIO_CONNECTED);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        assertTrue(stateMachine.isInActiveState());
+
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.MUTE_ON);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        CallAudioState expectedState = new CallAudioState(true,
+                CallAudioState.ROUTE_BLUETOOTH, CallAudioState.ROUTE_SPEAKER
+                | CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH);
+        assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
+
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
+                CallAudioRouteStateMachine.NO_FOCUS);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+
+        expectedState = new CallAudioState(false,
+                CallAudioState.ROUTE_BLUETOOTH, CallAudioState.ROUTE_SPEAKER
+                | CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_BLUETOOTH);
+        // TODO: Re-enable this part of the test; this is now failing because we have to
+        // revert ag/23783145.
+        // assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
+    }
+
+    @SmallTest
+    @Test
+    public void testSupportRouteMaskUpdateWhenBtAudioConnected() {
+        when(mFeatureFlags.updateRouteMaskWhenBtConnected()).thenReturn(true);
+        CallAudioRouteStateMachine stateMachine = new CallAudioRouteStateMachine(
+                mContext,
+                mockCallsManager,
+                mockBluetoothRouteManager,
+                mockWiredHeadsetManager,
+                mockStatusBarNotifier,
+                mAudioServiceFactory,
+                CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
+                mThreadHandler.getLooper(),
+                Runnable::run /** do async stuff sync for test purposes */,
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
+        stateMachine.setCallAudioManager(mockCallAudioManager);
+
+        CallAudioState initState = new CallAudioState(false,
+                CallAudioState.ROUTE_EARPIECE,
+                CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_SPEAKER);
+        stateMachine.initialize(initState);
+
+        stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.BT_AUDIO_CONNECTED);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        CallAudioState expectedState = new CallAudioState(false, CallAudioState.ROUTE_BLUETOOTH,
+                CallAudioState.ROUTE_EARPIECE | CallAudioState.ROUTE_SPEAKER
+                        | CallAudioState.ROUTE_BLUETOOTH);
+        assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
+    }
+
     private void initializationTestHelper(CallAudioState expectedState,
             int earpieceControl) {
         when(mockWiredHeadsetManager.isPluggedIn()).thenReturn(
@@ -993,7 +1327,8 @@
                 earpieceControl,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.initialize();
         assertEquals(expectedState, stateMachine.getCurrentCallAudioState());
     }
@@ -1045,7 +1380,8 @@
                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                 mThreadHandler.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         AudioDeviceInfo headset = mock(AudioDeviceInfo.class);
@@ -1068,7 +1404,7 @@
         // Switch to active
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.ACTIVE_FOCUS);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // Make sure that we've successfully switched to the active headset and that we set the
         // communication device.
@@ -1082,7 +1418,7 @@
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.SWITCH_FOCUS,
                 CallAudioRouteStateMachine.ACTIVE_FOCUS);
         stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.USER_SWITCH_EARPIECE);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // Assert that communication device was cleared
         verify(mockAudioManager).clearCommunicationDevice();
diff --git a/tests/src/com/android/server/telecom/tests/CallAudioRouteTransitionTests.java b/tests/src/com/android/server/telecom/tests/CallAudioRouteTransitionTests.java
index 804ef17..6b9b5c8 100644
--- a/tests/src/com/android/server/telecom/tests/CallAudioRouteTransitionTests.java
+++ b/tests/src/com/android/server/telecom/tests/CallAudioRouteTransitionTests.java
@@ -24,7 +24,6 @@
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.verify;
@@ -38,7 +37,8 @@
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.telecom.CallAudioState;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
@@ -276,7 +276,8 @@
                 mParams.earpieceControl,
                 mHandlerThread.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         setupMocksForParams(stateMachine, mParams);
@@ -294,17 +295,17 @@
         if (mParams.initialRoute == CallAudioState.ROUTE_BLUETOOTH) {
             stateMachine.sendMessageWithSessionInfo(CallAudioRouteStateMachine.BT_AUDIO_CONNECTED);
         }
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         // Clear invocations on mocks to discard stuff from initialization
         clearInvocations();
 
         sendActionToStateMachine(stateMachine);
 
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
-        Handler h = stateMachine.getHandler();
+        Handler h = stateMachine.getAdapterHandler();
         waitForHandlerAction(h, TEST_TIMEOUT);
         stateMachine.quitStateMachine();
 
@@ -374,7 +375,8 @@
                 mParams.earpieceControl,
                 mHandlerThread.getLooper(),
                 Runnable::run /** do async stuff sync for test purposes */,
-                mCommunicationDeviceTracker);
+                mCommunicationDeviceTracker,
+                mFeatureFlags);
         stateMachine.setCallAudioManager(mockCallAudioManager);
 
         // Set up bluetooth and speakerphone state
@@ -395,8 +397,8 @@
         // Omit the focus-getting statement
         sendActionToStateMachine(stateMachine);
 
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
-        waitForHandlerAction(stateMachine.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(stateMachine.getAdapterHandler(), TEST_TIMEOUT);
 
         stateMachine.quitStateMachine();
 
diff --git a/tests/src/com/android/server/telecom/tests/CallExtrasTest.java b/tests/src/com/android/server/telecom/tests/CallExtrasTest.java
index cf44cfe..be8e6fb 100644
--- a/tests/src/com/android/server/telecom/tests/CallExtrasTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallExtrasTest.java
@@ -27,10 +27,10 @@
 import android.telecom.Connection;
 import android.telecom.InCallService;
 import android.telecom.ParcelableCall;
-import android.test.suitebuilder.annotation.LargeTest;
-import android.test.suitebuilder.annotation.MediumTest;
 
 import androidx.test.filters.FlakyTest;
+import androidx.test.filters.LargeTest;
+import androidx.test.filters.MediumTest;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/tests/src/com/android/server/telecom/tests/CallLogManagerTest.java b/tests/src/com/android/server/telecom/tests/CallLogManagerTest.java
index c68cbbf..8a32fbd 100644
--- a/tests/src/com/android/server/telecom/tests/CallLogManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallLogManagerTest.java
@@ -36,6 +36,7 @@
 import android.content.ContentResolver;
 import android.content.ContentValues;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.content.pm.UserInfo;
 import android.content.res.Resources;
 import android.location.Country;
@@ -59,10 +60,10 @@
 import android.telecom.VideoProfile;
 import android.telephony.CarrierConfigManager;
 import android.telephony.PhoneNumberUtils;
-import android.test.suitebuilder.annotation.MediumTest;
-import android.test.suitebuilder.annotation.SmallTest;
 
 import androidx.test.filters.FlakyTest;
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Analytics;
 import com.android.server.telecom.AnomalyReporterAdapter;
@@ -73,6 +74,7 @@
 import com.android.server.telecom.MissedCallNotifier;
 import com.android.server.telecom.PhoneAccountRegistrar;
 import com.android.server.telecom.TelephonyUtil;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import org.junit.After;
 import org.junit.Before;
@@ -127,13 +129,16 @@
     @Mock
     AnomalyReporterAdapter mAnomalyReporterAdapter;
 
+    @Mock
+    FeatureFlags mFeatureFlags;
+
     @Override
     @Before
     public void setUp() throws Exception {
         super.setUp();
         mContext = mComponentContextFixture.getTestDouble().getApplicationContext();
         mCallLogManager = new CallLogManager(mContext, mMockPhoneAccountRegistrar,
-                mMissedCallNotifier, mAnomalyReporterAdapter);
+                mMissedCallNotifier, mAnomalyReporterAdapter, mFeatureFlags);
         mDefaultAccountHandle = new PhoneAccountHandle(
                 new ComponentName("com.android.server.telecom.tests", "CallLogManagerTest"),
                 TEST_PHONE_ACCOUNT_ID,
@@ -184,6 +189,9 @@
         when(userManager.getUserInfo(eq(CURRENT_USER_ID))).thenReturn(userInfo);
         when(userManager.getUserInfo(eq(OTHER_USER_ID))).thenReturn(otherUserInfo);
         when(userManager.getUserInfo(eq(MANAGED_USER_ID))).thenReturn(managedProfileUserInfo);
+        PackageManager packageManager = mContext.getPackageManager();
+        when(packageManager.hasSystemFeature(PackageManager.FEATURE_WATCH)).thenReturn(false);
+        when(mFeatureFlags.telecomLogExternalWearableCalls()).thenReturn(false);
     }
 
     @Override
@@ -360,6 +368,7 @@
                 VIA_NUMBER_STRING, // viaNumber
                 null
         );
+        when(mFeatureFlags.addCallUriForMissedCalls()).thenReturn(true);
         mCallLogManager.onCallStateChanged(fakeIncomingCall, CallState.ACTIVE,
                 CallState.DISCONNECTED);
         ContentValues insertedValues = verifyInsertionWithCapture(CURRENT_USER_ID);
@@ -369,7 +378,7 @@
 
     @MediumTest
     @Test
-    public void testLogCallDirectionMissed() {
+    public void testLogCallDirectionMissedAddCallUriForMissedCallsFlagOff() {
         when(mMockPhoneAccountRegistrar.getPhoneAccountUnchecked(any(PhoneAccountHandle.class)))
                 .thenReturn(makeFakePhoneAccount(mDefaultAccountHandle, CURRENT_USER_ID));
         Call fakeMissedCall = makeFakeCall(
@@ -385,6 +394,7 @@
                 VIA_NUMBER_STRING, // viaNumber
                 null
         );
+        when(mFeatureFlags.addCallUriForMissedCalls()).thenReturn(false);
 
         mCallLogManager.onCallStateChanged(fakeMissedCall, CallState.ACTIVE,
                 CallState.DISCONNECTED);
@@ -393,7 +403,39 @@
                 Integer.valueOf(CallLog.Calls.MISSED_TYPE));
         // Timeout needed because showMissedCallNotification is called from onPostExecute.
         verify(mMissedCallNotifier, timeout(TEST_TIMEOUT_MILLIS))
-                .showMissedCallNotification(any(MissedCallNotifier.CallInfo.class));
+                .showMissedCallNotification(any(MissedCallNotifier.CallInfo.class),
+                        /* uri= */ eq(null));
+    }
+
+    @MediumTest
+    @Test
+    public void testLogCallDirectionMissedAddCallUriForMissedCallsFlagOn() {
+        when(mMockPhoneAccountRegistrar.getPhoneAccountUnchecked(any(PhoneAccountHandle.class)))
+                .thenReturn(makeFakePhoneAccount(mDefaultAccountHandle, CURRENT_USER_ID));
+        Call fakeMissedCall = makeFakeCall(
+                DisconnectCause.MISSED, // disconnectCauseCode
+                false, // isConference
+                true, // isIncoming
+                1L, // creationTimeMillis
+                1000L, // ageMillis
+                TEL_PHONEHANDLE, // callHandle
+                mDefaultAccountHandle, // phoneAccountHandle
+                NO_VIDEO_STATE, // callVideoState
+                POST_DIAL_STRING, // postDialDigits
+                VIA_NUMBER_STRING, // viaNumber
+                null
+        );
+        when(mFeatureFlags.addCallUriForMissedCalls()).thenReturn(true);
+
+        mCallLogManager.onCallStateChanged(fakeMissedCall, CallState.ACTIVE,
+                CallState.DISCONNECTED);
+        ContentValues insertedValues = verifyInsertionWithCapture(CURRENT_USER_ID);
+        assertEquals(insertedValues.getAsInteger(CallLog.Calls.TYPE),
+                Integer.valueOf(CallLog.Calls.MISSED_TYPE));
+        // Timeout needed because showMissedCallNotification is called from onPostExecute.
+        verify(mMissedCallNotifier, timeout(TEST_TIMEOUT_MILLIS))
+                .showMissedCallNotification(any(MissedCallNotifier.CallInfo.class),
+                        /* uri= */ any(Uri.class));
     }
 
     @MediumTest
@@ -791,6 +833,34 @@
         assertEquals(1, insertedValues.getAsInteger(Calls.IS_READ).intValue());
     }
 
+    @Test
+    public void testLogCallWhenExternalCallOnWatch() {
+        when(mMockPhoneAccountRegistrar.getPhoneAccountUnchecked(any(PhoneAccountHandle.class)))
+                .thenReturn(makeFakePhoneAccount(mDefaultAccountHandle, CURRENT_USER_ID));
+        PackageManager packageManager = mContext.getPackageManager();
+        when(packageManager.hasSystemFeature(PackageManager.FEATURE_WATCH)).thenReturn(true);
+        when(mFeatureFlags.telecomLogExternalWearableCalls()).thenReturn(true);
+        Call fakeMissedCall = makeFakeCall(
+                DisconnectCause.REJECTED, // disconnectCauseCode
+                false, // isConference
+                true, // isIncoming
+                1L, // creationTimeMillis
+                1000L, // ageMillis
+                TEL_PHONEHANDLE, // callHandle
+                mDefaultAccountHandle, // phoneAccountHandle
+                NO_VIDEO_STATE, // callVideoState
+                POST_DIAL_STRING, // postDialDigits
+                VIA_NUMBER_STRING, // viaNumber
+                null
+        );
+        when(fakeMissedCall.isExternalCall()).thenReturn(true);
+
+        mCallLogManager.onCallStateChanged(fakeMissedCall, CallState.ACTIVE,
+                CallState.DISCONNECTED);
+        verifyInsertionWithCapture(CURRENT_USER_ID);
+    }
+
+
     @SmallTest
     @Test
     public void testCountryIso_setCache() {
@@ -896,6 +966,56 @@
 
     @SmallTest
     @Test
+    public void testDoNotLogCallExtra() {
+        when(mFeatureFlags.telecomSkipLogBasedOnExtra()).thenReturn(true);
+        Call fakeCall = makeFakeCall(
+                DisconnectCause.LOCAL, // disconnectCauseCode
+                false, // isConference
+                true, // isIncoming
+                1L, // creationTimeMillis
+                1000L, // ageMillis
+                TEL_PHONEHANDLE, // callHandle
+                mDefaultAccountHandle, // phoneAccountHandle
+                NO_VIDEO_STATE, // callVideoState
+                POST_DIAL_STRING, // postDialDigits
+                VIA_NUMBER_STRING, // viaNumber
+                UserHandle.of(CURRENT_USER_ID)
+        );
+        Bundle extras = new Bundle();
+        extras.putBoolean(TelecomManager.EXTRA_DO_NOT_LOG_CALL, true);
+        when(fakeCall.getExtras()).thenReturn(extras);
+
+        assertFalse(mCallLogManager.shouldLogDisconnectedCall(fakeCall, CallState.DISCONNECTED,
+                false /* isCanceled */));
+    }
+
+    @SmallTest
+    @Test
+    public void testIgnoresDoNotLogCallExtra_whenFlagDisabled() {
+        when(mFeatureFlags.telecomSkipLogBasedOnExtra()).thenReturn(false);
+        Call fakeCall = makeFakeCall(
+                DisconnectCause.LOCAL, // disconnectCauseCode
+                false, // isConference
+                true, // isIncoming
+                1L, // creationTimeMillis
+                1000L, // ageMillis
+                TEL_PHONEHANDLE, // callHandle
+                mDefaultAccountHandle, // phoneAccountHandle
+                NO_VIDEO_STATE, // callVideoState
+                POST_DIAL_STRING, // postDialDigits
+                VIA_NUMBER_STRING, // viaNumber
+                UserHandle.of(CURRENT_USER_ID)
+        );
+        Bundle extras = new Bundle();
+        extras.putBoolean(TelecomManager.EXTRA_DO_NOT_LOG_CALL, true);
+        when(fakeCall.getExtras()).thenReturn(extras);
+
+        assertTrue(mCallLogManager.shouldLogDisconnectedCall(fakeCall, CallState.DISCONNECTED,
+                false /* isCanceled */));
+    }
+
+    @SmallTest
+    @Test
     public void testDoNotLogConferenceWithChildren() {
         Call fakeCall = makeFakeCall(
                 DisconnectCause.LOCAL, // disconnectCauseCode
diff --git a/tests/src/com/android/server/telecom/tests/CallRecordingTonePlayerTest.java b/tests/src/com/android/server/telecom/tests/CallRecordingTonePlayerTest.java
index b5c6468..60952d3 100644
--- a/tests/src/com/android/server/telecom/tests/CallRecordingTonePlayerTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallRecordingTonePlayerTest.java
@@ -28,7 +28,6 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -41,11 +40,11 @@
 import android.media.AudioRecordingConfiguration;
 import android.media.MediaPlayer;
 import android.media.MediaRecorder;
-import android.net.Uri;
 import android.os.Handler;
 import android.os.Looper;
 import android.telecom.PhoneAccountHandle;
-import android.test.suitebuilder.annotation.MediumTest;
+
+import androidx.test.filters.MediumTest;
 
 import com.android.dx.mockito.inline.extended.ExtendedMockito;
 import com.android.server.telecom.Call;
diff --git a/tests/src/com/android/server/telecom/tests/CallRedirectionProcessorTest.java b/tests/src/com/android/server/telecom/tests/CallRedirectionProcessorTest.java
index 01446d1..8210686 100644
--- a/tests/src/com/android/server/telecom/tests/CallRedirectionProcessorTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallRedirectionProcessorTest.java
@@ -55,10 +55,10 @@
 
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
diff --git a/tests/src/com/android/server/telecom/tests/CallScreeningServiceFilterTest.java b/tests/src/com/android/server/telecom/tests/CallScreeningServiceFilterTest.java
index 4d8d497..d1427db 100644
--- a/tests/src/com/android/server/telecom/tests/CallScreeningServiceFilterTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallScreeningServiceFilterTest.java
@@ -43,7 +43,8 @@
 import android.telecom.ParcelableCall;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.telecom.ICallScreeningAdapter;
 import com.android.internal.telecom.ICallScreeningService;
diff --git a/tests/src/com/android/server/telecom/tests/CallTest.java b/tests/src/com/android/server/telecom/tests/CallTest.java
index 997e7dd..e06938d 100644
--- a/tests/src/com/android/server/telecom/tests/CallTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallTest.java
@@ -21,7 +21,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.argThat;
@@ -34,10 +33,12 @@
 
 import android.content.ComponentName;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.drawable.ColorDrawable;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.UserHandle;
 import android.telecom.CallAttributes;
 import android.telecom.CallerInfo;
 import android.telecom.Connection;
@@ -50,10 +51,10 @@
 import android.telecom.TelecomManager;
 import android.telecom.VideoProfile;
 import android.telephony.CallQuality;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.widget.Toast;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallIdMapper;
@@ -117,6 +118,7 @@
         doReturn(new ComponentName(mContext, CallTest.class))
                 .when(mMockConnectionService).getComponentName();
         doReturn(mMockToast).when(mMockToastProxy).makeText(any(), anyInt(), anyInt());
+        doReturn(UserHandle.CURRENT).when(mMockCallsManager).getCurrentUserHandle();
     }
 
     @After
@@ -200,7 +202,8 @@
                 false /* shouldAttachToExistingConnection*/,
                 false /* isConference */,
                 mMockClockProxy,
-                mMockToastProxy);
+                mMockToastProxy,
+                mFeatureFlags);
 
         // To start with connection creation isn't complete.
         assertFalse(call.isCreateConnectionComplete());
@@ -338,7 +341,8 @@
                 false /* shouldAttachToExistingConnection*/,
                 true /* isConference */,
                 mMockClockProxy,
-                mMockToastProxy);
+                mMockToastProxy,
+                mFeatureFlags);
 
         assertFalse(call.wasDndCheckComputedForCall());
         assertFalse(call.isCallSuppressedByDoNotDisturb());
@@ -364,7 +368,8 @@
                 false /* shouldAttachToExistingConnection*/,
                 true /* isConference */,
                 mMockClockProxy,
-                mMockToastProxy);
+                mMockToastProxy,
+                mFeatureFlags);
 
         assertNull(call.getConnectionServiceWrapper());
         assertFalse(call.isTransactionalCall());
@@ -394,7 +399,8 @@
                 false /* shouldAttachToExistingConnection*/,
                 true /* isConference */,
                 mMockClockProxy,
-                mMockToastProxy);
+                mMockToastProxy,
+                mFeatureFlags);
 
         // setup
         call.setIsTransactionalCall(true);
@@ -728,6 +734,52 @@
                 }));
     }
 
+    @Test
+    @SmallTest
+    public void testExcludesInCallServiceFromDoNotLogCallExtra() {
+        Call call = createCall("any");
+        Bundle extra = new Bundle();
+        extra.putBoolean(TelecomManager.EXTRA_DO_NOT_LOG_CALL, true);
+
+        call.putInCallServiceExtras(extra, "packageName");
+
+        assertFalse(call.getExtras().containsKey(TelecomManager.EXTRA_DO_NOT_LOG_CALL));
+    }
+
+    @Test
+    @SmallTest
+    public void testExcludesConnectionServiceWithoutModifyStatePermissionFromDoNotLogCallExtra() {
+        PackageManager packageManager = mContext.getPackageManager();
+        Bundle extra = new Bundle();
+        extra.putBoolean(TelecomManager.EXTRA_DO_NOT_LOG_CALL, true);
+        String packageName = SIM_1_HANDLE.getComponentName().getPackageName();
+        doReturn(PackageManager.PERMISSION_DENIED)
+                .when(packageManager)
+                .checkPermission(android.Manifest.permission.MODIFY_PHONE_STATE, packageName);
+        Call call = createCall("any");
+
+        call.putConnectionServiceExtras(extra);
+
+        assertFalse(call.getExtras().containsKey(TelecomManager.EXTRA_DO_NOT_LOG_CALL));
+    }
+
+    @Test
+    @SmallTest
+    public void testDoesNotExcludeConnectionServiceWithModifyStatePermissionFromDoNotLogCallExtra() {
+        String packageName = SIM_1_HANDLE.getComponentName().getPackageName();
+        Bundle extra = new Bundle();
+        extra.putBoolean(TelecomManager.EXTRA_DO_NOT_LOG_CALL, true);
+        PackageManager packageManager = mContext.getPackageManager();
+        doReturn(PackageManager.PERMISSION_GRANTED)
+                .when(packageManager)
+                .checkPermission(android.Manifest.permission.MODIFY_PHONE_STATE, packageName);
+        Call call = createCall("any");
+
+        call.putConnectionServiceExtras(extra);
+
+        assertTrue(call.getExtras().containsKey(TelecomManager.EXTRA_DO_NOT_LOG_CALL));
+    }
+
     private Call createCall(String id) {
         return createCall(id, Call.CALL_DIRECTION_UNDEFINED);
     }
@@ -748,6 +800,7 @@
                 false,
                 false,
                 mMockClockProxy,
-                mMockToastProxy);
+                mMockToastProxy,
+                mFeatureFlags);
     }
 }
diff --git a/tests/src/com/android/server/telecom/tests/CallerInfoLookupHelperTest.java b/tests/src/com/android/server/telecom/tests/CallerInfoLookupHelperTest.java
index 7c001c0..614ef71 100644
--- a/tests/src/com/android/server/telecom/tests/CallerInfoLookupHelperTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallerInfoLookupHelperTest.java
@@ -17,11 +17,11 @@
 package com.android.server.telecom.tests;
 
 import static org.junit.Assert.assertEquals;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.isNull;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -32,13 +32,13 @@
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.telecom.Logging.Session;
-import android.test.suitebuilder.annotation.SmallTest;
-
-import androidx.test.InstrumentationRegistry;
-
 import android.telecom.CallerInfo;
 import android.telecom.CallerInfoAsyncQuery;
+import android.telecom.Logging.Session;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+
 import com.android.server.telecom.CallerInfoAsyncQueryFactory;
 import com.android.server.telecom.CallerInfoLookupHelper;
 import com.android.server.telecom.ContactsAsyncHelper;
diff --git a/tests/src/com/android/server/telecom/tests/CallsManagerTest.java b/tests/src/com/android/server/telecom/tests/CallsManagerTest.java
index 00be89f..70f1708 100644
--- a/tests/src/com/android/server/telecom/tests/CallsManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallsManagerTest.java
@@ -44,6 +44,8 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import static java.lang.Thread.sleep;
+
 import android.Manifest;
 import android.content.ComponentName;
 import android.content.ContentResolver;
@@ -54,6 +56,7 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
+import android.os.IBinder;
 import android.os.Looper;
 import android.os.OutcomeReceiver;
 import android.os.Process;
@@ -61,6 +64,7 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.platform.test.flag.junit.SetFlagsRule;
 import android.provider.BlockedNumberContract;
 import android.telecom.CallException;
 import android.telecom.CallScreeningService;
@@ -75,11 +79,13 @@
 import android.telephony.CarrierConfigManager;
 import android.telephony.PhoneCapability;
 import android.telephony.TelephonyManager;
-import android.test.suitebuilder.annotation.MediumTest;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Pair;
 import android.widget.Toast;
 
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+
+import com.android.internal.telecom.IConnectionService;
 import com.android.server.telecom.AnomalyReporterAdapter;
 import com.android.server.telecom.AsyncRingtonePlayer;
 import com.android.server.telecom.Call;
@@ -98,6 +104,7 @@
 import com.android.server.telecom.ConnectionServiceFocusManager;
 import com.android.server.telecom.ConnectionServiceFocusManager.ConnectionServiceFocusManagerFactory;
 import com.android.server.telecom.ConnectionServiceWrapper;
+import com.android.server.telecom.CreateConnectionResponse;
 import com.android.server.telecom.DefaultDialerCache;
 import com.android.server.telecom.EmergencyCallDiagnosticLogger;
 import com.android.server.telecom.EmergencyCallHelper;
@@ -124,6 +131,9 @@
 import com.android.server.telecom.bluetooth.BluetoothStateReceiver;
 import com.android.server.telecom.callfiltering.BlockedNumbersAdapter;
 import com.android.server.telecom.callfiltering.CallFilteringResult;
+import com.android.server.telecom.callfiltering.IncomingCallFilterGraph;
+import com.android.server.telecom.flags.FeatureFlags;
+import com.android.server.telecom.flags.Flags;
 import com.android.server.telecom.ui.AudioProcessingNotification;
 import com.android.server.telecom.ui.CallStreamingNotification;
 import com.android.server.telecom.ui.DisconnectedCallNotifier;
@@ -132,11 +142,12 @@
 
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 import org.mockito.ArgumentCaptor;
-import org.mockito.Matchers;
+import org.mockito.ArgumentMatchers;
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
@@ -279,7 +290,11 @@
     @Mock private PhoneCapability mPhoneCapability;
     @Mock private CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
     @Mock private CallStreamingNotification mCallStreamingNotification;
+    @Mock private FeatureFlags mFeatureFlags;
 
+    @Mock private IncomingCallFilterGraph mIncomingCallFilterGraph;
+    @Mock private IConnectionService mIConnectionService;
+    @Rule public SetFlagsRule mSetRlagsRule = new SetFlagsRule();
     private CallsManager mCallsManager;
 
     @Override
@@ -298,8 +313,8 @@
         when(mCallEndpointControllerFactory.create(any(), any(), any())).thenReturn(
                 mCallEndpointController);
         when(mCallAudioRouteStateMachineFactory.create(any(), any(), any(), any(), any(), any(),
-                anyInt(), any(), any())).thenReturn(mCallAudioRouteStateMachine);
-        when(mCallAudioModeStateMachineFactory.create(any(), any()))
+                anyInt(), any(), any(), any())).thenReturn(mCallAudioRouteStateMachine);
+        when(mCallAudioModeStateMachineFactory.create(any(), any(), any(), any()))
                 .thenReturn(mCallAudioModeStateMachine);
         when(mClockProxy.currentTimeMillis()).thenReturn(System.currentTimeMillis());
         when(mClockProxy.elapsedRealtime()).thenReturn(SystemClock.elapsedRealtime());
@@ -353,7 +368,9 @@
                 TransactionManager.getTestInstance(),
                 mEmergencyCallDiagnosticLogger,
                 mCommunicationDeviceTracker,
-                mCallStreamingNotification);
+                mCallStreamingNotification,
+                mFeatureFlags,
+                (call, listener, context, timeoutsAdapter, lock) -> mIncomingCallFilterGraph);
 
         when(mPhoneAccountRegistrar.getPhoneAccount(
                 eq(SELF_MANAGED_HANDLE), any())).thenReturn(SELF_MANAGED_ACCOUNT);
@@ -365,11 +382,17 @@
                 eq(WORK_HANDLE), any())).thenReturn(WORK_ACCOUNT);
         when(mToastFactory.makeText(any(), anyInt(), anyInt())).thenReturn(mToast);
         when(mToastFactory.makeText(any(), any(), anyInt())).thenReturn(mToast);
+        when(mIConnectionService.asBinder()).thenReturn(mock(IBinder.class));
+
+        mComponentContextFixture.addConnectionService(
+                SIM_1_ACCOUNT.getAccountHandle().getComponentName(), mIConnectionService);
     }
 
     @Override
     @After
     public void tearDown() throws Exception {
+        mComponentContextFixture.removeConnectionService(
+                SIM_1_ACCOUNT.getAccountHandle().getComponentName(), mIConnectionService);
         super.tearDown();
     }
 
@@ -396,7 +419,8 @@
                 false /* shouldAttachToExistingConnection*/,
                 false /* isConference */,
                 mClockProxy,
-                mToastFactory);
+                mToastFactory,
+                mFeatureFlags);
         ongoingCall.setState(CallState.ACTIVE, "just cuz");
         return ongoingCall;
     }
@@ -1323,8 +1347,9 @@
 
     @SmallTest
     @Test
-    public void testNoFilteringOfCallsWhenPhoneAccountRequestsSkipped() {
+    public void testDndFilterAppliesOfCallsWhenPhoneAccountRequestsSkipped() {
         // GIVEN an incoming call which is from a PhoneAccount that requested to skip filtering.
+        when(mFeatureFlags.skipFilterPhoneAccountPerformDndFilter()).thenReturn(true);
         Call incomingCall = addSpyCall(SIM_1_HANDLE, CallState.NEW);
         Bundle extras = new Bundle();
         extras.putBoolean(PhoneAccount.EXTRA_SKIP_CALL_FILTERING, true);
@@ -1344,7 +1369,35 @@
         // WHEN the incoming call is successfully added.
         mCallsManager.onSuccessfulIncomingCall(incomingCall);
 
-        // THEN the incoming call is not using call filtering
+        // THEN the incoming call is still applying Dnd filter.
+        verify(incomingCall).setIsUsingCallFiltering(eq(true));
+    }
+
+    @SmallTest
+    @Test
+    public void testNoFilterAppliesOfCallsWhenFlagNotEnabled() {
+        // Flag is not enabled.
+        when(mFeatureFlags.skipFilterPhoneAccountPerformDndFilter()).thenReturn(false);
+        Call incomingCall = addSpyCall(SIM_1_HANDLE, CallState.NEW);
+        Bundle extras = new Bundle();
+        extras.putBoolean(PhoneAccount.EXTRA_SKIP_CALL_FILTERING, true);
+        PhoneAccount skipRequestedAccount = new PhoneAccount.Builder(SIM_2_HANDLE, "Skipper")
+                .setCapabilities(PhoneAccount.CAPABILITY_SIM_SUBSCRIPTION
+                        | PhoneAccount.CAPABILITY_CALL_PROVIDER)
+                .setExtras(extras)
+                .setIsEnabled(true)
+                .build();
+        when(mPhoneAccountRegistrar.getPhoneAccountUnchecked(SIM_1_HANDLE))
+                .thenReturn(skipRequestedAccount);
+        doReturn(false).when(incomingCall).can(Connection.CAPABILITY_HOLD);
+        doReturn(false).when(incomingCall).can(Connection.CAPABILITY_SUPPORT_HOLD);
+        doReturn(false).when(incomingCall).isSelfManaged();
+        doReturn(true).when(incomingCall).setState(anyInt(), any());
+
+        // WHEN the incoming call is successfully added.
+        mCallsManager.onSuccessfulIncomingCall(incomingCall);
+
+        // THEN the incoming call is not applying filter.
         verify(incomingCall).setIsUsingCallFiltering(eq(false));
     }
 
@@ -2401,7 +2454,7 @@
 
         mCallsManager.onCallFilteringComplete(callSpy, result, false /* timeout */);
         verify(mMissedCallNotifier).showMissedCallNotification(
-                any(MissedCallNotifier.CallInfo.class));
+                any(MissedCallNotifier.CallInfo.class), /* uri= */ eq(null));
     }
 
     @Test
@@ -2505,6 +2558,32 @@
         assertEquals(DEFAULT_CALL_SCREENING_APP, outgoingCall.getPostCallPackageName());
     }
 
+    /**
+     * Verify the only call state set from calling onSuccessfulOutgoingCall is CallState.DIALING.
+     */
+    @SmallTest
+    @Test
+    public void testOutgoingCallStateIsSetToAPreviousStateAndIgnored() {
+        when(mFeatureFlags.fixAudioFlickerForOutgoingCalls()).thenReturn(true);
+        Call outgoingCall = addSpyCall(CallState.CONNECTING);
+        mCallsManager.onSuccessfulOutgoingCall(outgoingCall, CallState.NEW);
+        verify(outgoingCall, never()).setState(eq(CallState.NEW), any());
+        verify(outgoingCall, times(1)).setState(eq(CallState.DIALING), any());
+    }
+
+    /**
+     * Verify a ConnectionService can start the call in the active state and avoid the dialing state
+     */
+    @SmallTest
+    @Test
+    public void testOutgoingCallStateCanAvoidDialingAndGoStraightToActive() {
+        when(mFeatureFlags.fixAudioFlickerForOutgoingCalls()).thenReturn(true);
+        Call outgoingCall = addSpyCall(CallState.CONNECTING);
+        mCallsManager.onSuccessfulOutgoingCall(outgoingCall, CallState.ACTIVE);
+        verify(outgoingCall, never()).setState(eq(CallState.DIALING), any());
+        verify(outgoingCall, times(1)).setState(eq(CallState.ACTIVE), any());
+    }
+
     @SmallTest
     @Test
     public void testRejectIncomingCallOnPAHInactive_SecondaryUser() throws Exception {
@@ -2514,9 +2593,7 @@
                 WORK_HANDLE.getUserHandle(), service);
 
         UserManager um = mContext.getSystemService(UserManager.class);
-        UserHandle newUser = new UserHandle(11);
-        when(mCallsManager.getCurrentUserHandle()).thenReturn(newUser);
-        when(um.isUserAdmin(eq(newUser.getIdentifier()))).thenReturn(false);
+        when(um.isUserAdmin(anyInt())).thenReturn(false);
         when(um.isQuietModeEnabled(eq(WORK_HANDLE.getUserHandle()))).thenReturn(false);
         when(mPhoneAccountRegistrar.getPhoneAccountUnchecked(eq(WORK_HANDLE)))
                 .thenReturn(WORK_ACCOUNT);
@@ -2532,14 +2609,17 @@
     @Test
     public void testRejectIncomingCallOnPAHInactive_ProfilePaused() throws Exception {
         ConnectionServiceWrapper service = mock(ConnectionServiceWrapper.class);
-        doReturn(SIM_2_HANDLE.getComponentName()).when(service).getComponentName();
-        mCallsManager.addConnectionServiceRepositoryCache(SIM_2_HANDLE.getComponentName(),
-                SIM_2_HANDLE.getUserHandle(), service);
+        doReturn(WORK_HANDLE.getComponentName()).when(service).getComponentName();
+        mCallsManager.addConnectionServiceRepositoryCache(WORK_HANDLE.getComponentName(),
+                WORK_HANDLE.getUserHandle(), service);
 
         UserManager um = mContext.getSystemService(UserManager.class);
-        when(um.isQuietModeEnabled(eq(SIM_2_HANDLE.getUserHandle()))).thenReturn(true);
+        when(um.isUserAdmin(anyInt())).thenReturn(true);
+        when(um.isQuietModeEnabled(eq(WORK_HANDLE.getUserHandle()))).thenReturn(true);
+        when(mPhoneAccountRegistrar.getPhoneAccountUnchecked(eq(WORK_HANDLE)))
+                .thenReturn(WORK_ACCOUNT);
         Call newCall = mCallsManager.processIncomingCallIntent(
-                SIM_2_HANDLE, new Bundle(), false);
+                WORK_HANDLE, new Bundle(), false);
 
         verify(service, timeout(TEST_TIMEOUT)).createConnectionFailed(any());
         assertFalse(newCall.isInECBM());
@@ -2576,9 +2656,7 @@
         when(mEmergencyCallHelper.isLastOutgoingEmergencyCallPAH(eq(WORK_HANDLE)))
                 .thenReturn(true);
         UserManager um = mContext.getSystemService(UserManager.class);
-        UserHandle newUser = new UserHandle(11);
-        when(mCallsManager.getCurrentUserHandle()).thenReturn(newUser);
-        when(um.isUserAdmin(eq(newUser.getIdentifier()))).thenReturn(false);
+        when(um.isUserAdmin(anyInt())).thenReturn(false);
         when(um.isQuietModeEnabled(eq(WORK_HANDLE.getUserHandle()))).thenReturn(false);
         when(mPhoneAccountRegistrar.getPhoneAccountUnchecked(eq(WORK_HANDLE)))
                 .thenReturn(WORK_ACCOUNT);
@@ -2741,8 +2819,9 @@
     public void testQueryCurrentLocationCheckOnReceiveResult() throws Exception {
         ConnectionServiceWrapper service = new ConnectionServiceWrapper(
                 new ComponentName(mContext.getPackageName(),
-                        mContext.getPackageName().getClass().getName()),
-                null, mPhoneAccountRegistrar, mCallsManager, mContext, mLock, null);
+                        mContext.getPackageName().getClass().getName()), null,
+                        mPhoneAccountRegistrar, mCallsManager, mContext, mLock, null,
+                        mFeatureFlags);
 
         CompletableFuture<String> resultFuture = new CompletableFuture<>();
         try {
@@ -2762,6 +2841,37 @@
         assertTrue(result.contains("onReceiveResult"));
     }
 
+    @Test
+    public void testConnectionServiceCreateConnectionTimeout() throws Exception {
+        mSetRlagsRule.enableFlags(Flags.FLAG_UNBIND_TIMEOUT_CONNECTIONS);
+        ConnectionServiceWrapper service = new ConnectionServiceWrapper(
+                SIM_1_ACCOUNT.getAccountHandle().getComponentName(), null,
+                mPhoneAccountRegistrar, mCallsManager, mContext, mLock, null,
+                mFeatureFlags);
+        TestScheduledExecutorService scheduledExecutorService = new TestScheduledExecutorService();
+        service.setScheduledExecutorService(scheduledExecutorService);
+        Call call = addSpyCall();
+        service.addCall(call);
+        when(call.isCreateConnectionComplete()).thenReturn(false);
+        CreateConnectionResponse response = mock(CreateConnectionResponse.class);
+
+        service.createConnection(call, response);
+        waitUntilConditionIsTrueOrTimeout(new Condition() {
+            @Override
+            public Object expected() {
+                return true;
+            }
+
+            @Override
+            public Object actual() {
+                return scheduledExecutorService.isRunnableScheduledAtTime(15000L);
+            }
+        }, 5000L, "Expected job failed to schedule");
+        scheduledExecutorService.advanceTime(15000L);
+        verify(response).handleCreateConnectionFailure(
+                eq(new DisconnectCause(DisconnectCause.ERROR)));
+    }
+
     @SmallTest
     @Test
     public void testOnFailedOutgoingCallUnholdsCallAfterLocallyDisconnect() {
@@ -2971,11 +3081,9 @@
         mCallsManager.createActionSetCallStateAndPerformAction(
                 call, CallState.DISCONNECTED, "");
 
-        verify(sourceCall).onConnectionEvent(eq(Connection.EVENT_HANDOVER_FAILED), any());
         verify(sourceCall).onHandoverFailed(
                     android.telecom.Call.Callback.HANDOVER_FAILURE_USER_REJECTED);
 
-        verify(call).sendCallEvent(eq(android.telecom.Call.EVENT_HANDOVER_FAILED), any());
         verify(call).markFinishedHandoverStateAndCleanup(HandoverState.HANDOVER_FAILED);
     }
 
@@ -2986,12 +3094,8 @@
         Call call = addSpyCall(CONNECTION_MGR_1_HANDLE, CallState.NEW);
         when(call.getHandoverDestinationCall()).thenReturn(destinationCall);
         when(call.getHandoverState()).thenReturn(HandoverState.HANDOVER_FROM_STARTED);
-
         mCallsManager.createActionSetCallStateAndPerformAction(
                 call, CallState.DISCONNECTED, "");
-
-        verify(destinationCall).sendCallEvent(
-                eq(android.telecom.Call.EVENT_HANDOVER_SOURCE_DISCONNECTED), any());
     }
 
     @SmallTest
@@ -3005,11 +3109,8 @@
         mCallsManager.createActionSetCallStateAndPerformAction(
                 call, CallState.DISCONNECTED, "");
 
-        verify(call).onConnectionEvent(eq(Connection.EVENT_HANDOVER_COMPLETE), any());
         verify(call).onHandoverComplete();
         verify(call).markFinishedHandoverStateAndCleanup(HandoverState.HANDOVER_COMPLETE);
-        verify(destinationCall).sendCallEvent(
-                eq(android.telecom.Call.EVENT_HANDOVER_COMPLETE), any());
         verify(destinationCall).onHandoverComplete();
     }
 
@@ -3026,11 +3127,8 @@
         mCallsManager.createActionSetCallStateAndPerformAction(
                 call, CallState.DISCONNECTED, "");
 
-        verify(call).onConnectionEvent(eq(Connection.EVENT_HANDOVER_COMPLETE), any());
         verify(call).onHandoverComplete();
         verify(call).markFinishedHandoverStateAndCleanup(HandoverState.HANDOVER_COMPLETE);
-        verify(destinationCall).sendCallEvent(
-                eq(android.telecom.Call.EVENT_HANDOVER_COMPLETE), any());
         verify(destinationCall).onHandoverComplete();
         verify(otherCall).disconnect();
     }
@@ -3285,8 +3383,8 @@
         // Mocks some methods to not call the real method.
         doNothing().when(callSpy).unhold();
         doNothing().when(callSpy).hold();
-        doNothing().when(callSpy).answer(Matchers.anyInt());
-        doNothing().when(callSpy).setStartWithSpeakerphoneOn(Matchers.anyBoolean());
+        doNothing().when(callSpy).answer(ArgumentMatchers.anyInt());
+        doNothing().when(callSpy).setStartWithSpeakerphoneOn(ArgumentMatchers.anyBoolean());
 
         mCallsManager.addCall(callSpy);
         return callSpy;
@@ -3300,8 +3398,8 @@
         doNothing().when(callSpy).unhold();
         doNothing().when(callSpy).hold();
         doNothing().when(callSpy).disconnect();
-        doNothing().when(callSpy).answer(Matchers.anyInt());
-        doNothing().when(callSpy).setStartWithSpeakerphoneOn(Matchers.anyBoolean());
+        doNothing().when(callSpy).answer(ArgumentMatchers.anyInt());
+        doNothing().when(callSpy).setStartWithSpeakerphoneOn(ArgumentMatchers.anyBoolean());
 
         return callSpy;
     }
@@ -3326,7 +3424,8 @@
                 false /* shouldAttachToExistingConnection*/,
                 false /* isConference */,
                 mClockProxy,
-                mToastFactory);
+                mToastFactory,
+                mFeatureFlags);
         ongoingCall.setState(initialState, "just cuz");
         if (targetPhoneAccount == SELF_MANAGED_HANDLE
                 || targetPhoneAccount == SELF_MANAGED_2_HANDLE) {
@@ -3358,4 +3457,19 @@
         when(mockTelephonyManager.getPhoneCapability()).thenReturn(mPhoneCapability);
         when(mPhoneCapability.getMaxActiveVoiceSubscriptions()).thenReturn(num);
     }
+
+    private void waitUntilConditionIsTrueOrTimeout(Condition condition, long timeout,
+                                                   String description) throws InterruptedException {
+        final long start = System.currentTimeMillis();
+        while (!condition.expected().equals(condition.actual())
+                && System.currentTimeMillis() - start < timeout) {
+            sleep(50);
+        }
+        assertEquals(description, condition.expected(), condition.actual());
+    }
+
+    protected interface Condition {
+        Object expected();
+        Object actual();
+    }
 }
diff --git a/tests/src/com/android/server/telecom/tests/ComponentContextFixture.java b/tests/src/com/android/server/telecom/tests/ComponentContextFixture.java
index df855e9..4a86dac 100644
--- a/tests/src/com/android/server/telecom/tests/ComponentContextFixture.java
+++ b/tests/src/com/android/server/telecom/tests/ComponentContextFixture.java
@@ -16,6 +16,7 @@
 
 package com.android.server.telecom.tests;
 
+import com.android.server.telecom.flags.FeatureFlags;
 import com.google.common.collect.ArrayListMultimap;
 import com.google.common.collect.Multimap;
 
@@ -27,6 +28,8 @@
 import org.mockito.stubbing.Answer;
 
 import android.Manifest;
+import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
 import android.app.AppOpsManager;
 import android.app.NotificationManager;
 import android.app.StatusBarManager;
@@ -55,6 +58,7 @@
 import android.location.LocationManager;
 import android.media.AudioDeviceInfo;
 import android.media.AudioManager;
+import android.net.Uri;
 import android.os.BugreportManager;
 import android.os.Bundle;
 import android.os.DropBoxManager;
@@ -81,8 +85,10 @@
 import android.util.DisplayMetrics;
 import android.view.accessibility.AccessibilityManager;
 
+import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -96,7 +102,7 @@
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.matches;
 import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.anyString;
+import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.doAnswer;
@@ -409,12 +415,23 @@
         }
 
         @Override
+        public void sendBroadcastAsUser(Intent intent, UserHandle user, String receiverPermission) {
+            // Override so that this can be verified via spy.
+        }
+
+        @Override
         public void sendBroadcastAsUser(Intent intent, UserHandle user, String receiverPermission,
                 Bundle options) {
             // Override so that this can be verified via spy.
         }
 
         @Override
+        public void sendBroadcastAsUser(Intent intent, UserHandle user, String receiverPermission,
+                int appOp) {
+            // Override so that this can be verified via spy.
+        }
+
+        @Override
         public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
                 String receiverPermission, BroadcastReceiver resultReceiver, Handler scheduler,
                 int initialCode, String initialData, Bundle initialExtras) {
@@ -617,8 +634,9 @@
 
     private TelecomManager mTelecomManager = mock(TelecomManager.class);
 
-    public ComponentContextFixture() {
+    public ComponentContextFixture(FeatureFlags featureFlags) {
         MockitoAnnotations.initMocks(this);
+        when(featureFlags.telecomResolveHiddenDependencies()).thenReturn(true);
         when(mResources.getConfiguration()).thenReturn(mResourceConfiguration);
         when(mResources.getString(anyInt())).thenReturn("");
         when(mResources.getStringArray(anyInt())).thenReturn(new String[0]);
@@ -701,7 +719,7 @@
             }
         }).when(mAppOpsManager).checkPackage(anyInt(), anyString());
 
-        when(mNotificationManager.matchesCallFilter(any(Bundle.class))).thenReturn(true);
+        when(mNotificationManager.matchesCallFilter(any(Uri.class))).thenReturn(true);
 
         when(mCarrierConfigManager.getConfig()).thenReturn(new PersistableBundle());
         when(mCarrierConfigManager.getConfigForSubId(anyInt())).thenReturn(new PersistableBundle());
@@ -764,6 +782,8 @@
                 componentName.getPackageName() });
         when(mPackageManager.checkPermission(eq(Manifest.permission.CONTROL_INCALL_EXPERIENCE),
                 eq(componentName.getPackageName()))).thenReturn(PackageManager.PERMISSION_GRANTED);
+        when(mPackageManager.checkPermission(eq(Manifest.permission.INTERACT_ACROSS_USERS),
+                eq(componentName.getPackageName()))).thenReturn(PackageManager.PERMISSION_GRANTED);
         when(mPermissionCheckerManager.checkPermission(
                 eq(Manifest.permission.CONTROL_INCALL_EXPERIENCE),
                 any(AttributionSourceState.class), anyString(), anyBoolean(), anyBoolean(),
@@ -802,6 +822,11 @@
         when(mResources.getStringArray(eq(id))).thenReturn(value);
     }
 
+    public void putRawResource(int id, String content) {
+        when(mResources.openRawResource(id))
+                .thenReturn(new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8)));
+    }
+
     public void setTelecomManager(TelecomManager telecomManager) {
         mTelecomManager = telecomManager;
     }
diff --git a/tests/src/com/android/server/telecom/tests/ConnectionServiceFocusManagerTest.java b/tests/src/com/android/server/telecom/tests/ConnectionServiceFocusManagerTest.java
index 0d6ceba..ab2c679 100644
--- a/tests/src/com/android/server/telecom/tests/ConnectionServiceFocusManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/ConnectionServiceFocusManagerTest.java
@@ -16,7 +16,19 @@
 
 package com.android.server.telecom.tests;
 
-import android.test.suitebuilder.annotation.SmallTest;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import androidx.test.filters.SmallTest;
+
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallState;
 import com.android.server.telecom.CallsManager;
@@ -32,17 +44,6 @@
 import org.mockito.Mock;
 import org.mockito.Mockito;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class ConnectionServiceFocusManagerTest extends TelecomTestCase {
 
diff --git a/tests/src/com/android/server/telecom/tests/ContactsAsyncHelperTest.java b/tests/src/com/android/server/telecom/tests/ContactsAsyncHelperTest.java
index 10cac93..7adb32c 100644
--- a/tests/src/com/android/server/telecom/tests/ContactsAsyncHelperTest.java
+++ b/tests/src/com/android/server/telecom/tests/ContactsAsyncHelperTest.java
@@ -17,11 +17,11 @@
 package com.android.server.telecom.tests;
 
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyObject;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyObject;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.isNull;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.timeout;
@@ -32,11 +32,10 @@
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.os.Handler;
 import android.os.Looper;
-import android.test.suitebuilder.annotation.SmallTest;
 
 import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.ContactsAsyncHelper;
 
@@ -49,7 +48,6 @@
 
 import java.io.FileNotFoundException;
 import java.io.InputStream;
-import java.util.concurrent.Executor;
 
 @RunWith(JUnit4.class)
 public class ContactsAsyncHelperTest extends TelecomTestCase {
diff --git a/tests/src/com/android/server/telecom/tests/CreateConnectionProcessorTest.java b/tests/src/com/android/server/telecom/tests/CreateConnectionProcessorTest.java
index 8a85a87..e973992 100644
--- a/tests/src/com/android/server/telecom/tests/CreateConnectionProcessorTest.java
+++ b/tests/src/com/android/server/telecom/tests/CreateConnectionProcessorTest.java
@@ -16,10 +16,21 @@
 
 package com.android.server.telecom.tests;
 
-import android.Manifest;
+import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyList;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.pm.PackageManager;
 import android.graphics.drawable.Icon;
 import android.net.Uri;
 import android.os.Binder;
@@ -28,7 +39,8 @@
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telephony.SubscriptionManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallIdMapper;
@@ -38,13 +50,13 @@
 import com.android.server.telecom.CreateConnectionProcessor;
 import com.android.server.telecom.CreateConnectionResponse;
 import com.android.server.telecom.PhoneAccountRegistrar;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
-import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.mockito.invocation.InvocationOnMock;
@@ -56,20 +68,6 @@
 import java.util.Random;
 import java.util.UUID;
 
-import static org.junit.Assert.fail;
-import static org.mockito.ArgumentMatchers.anyBoolean;
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyList;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 /**
  * Unit testing for CreateConnectionProcessor as well as CreateConnectionTimeout classes.
  */
@@ -123,7 +121,7 @@
 
         mTestCreateConnectionProcessor = new CreateConnectionProcessor(mMockCall,
                 mMockConnectionServiceRepository, mMockCreateConnectionResponse,
-                mMockAccountRegistrar, mContext);
+                mMockAccountRegistrar, mContext, mFeatureFlags);
 
         mAccountToSub = new HashMap<>();
         phoneAccounts = new ArrayList<>();
@@ -842,7 +840,7 @@
         ConnectionServiceWrapper wrapper = mock(ConnectionServiceWrapper.class);
         when(mMockConnectionServiceRepository.getService(
                 eq(makeQuickConnectionServiceComponentName()),
-                any(UserHandle.class))).thenReturn(wrapper);
+                any(UserHandle.class), any(FeatureFlags.class))).thenReturn(wrapper);
         return wrapper;
     }
 
diff --git a/tests/src/com/android/server/telecom/tests/DefaultDialerCacheTest.java b/tests/src/com/android/server/telecom/tests/DefaultDialerCacheTest.java
index e733465..18f2eb0 100644
--- a/tests/src/com/android/server/telecom/tests/DefaultDialerCacheTest.java
+++ b/tests/src/com/android/server/telecom/tests/DefaultDialerCacheTest.java
@@ -16,6 +16,14 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.isNull;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -24,7 +32,8 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.os.UserHandle;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.DefaultDialerCache;
 import com.android.server.telecom.RoleManagerAdapter;
@@ -38,14 +47,6 @@
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class DefaultDialerCacheTest extends TelecomTestCase {
 
diff --git a/tests/src/com/android/server/telecom/tests/DirectToVoicemailFilterTest.java b/tests/src/com/android/server/telecom/tests/DirectToVoicemailFilterTest.java
index 2ab4e78..097061b 100644
--- a/tests/src/com/android/server/telecom/tests/DirectToVoicemailFilterTest.java
+++ b/tests/src/com/android/server/telecom/tests/DirectToVoicemailFilterTest.java
@@ -26,11 +26,11 @@
 import android.net.Uri;
 import android.provider.CallLog;
 import android.telecom.CallerInfo;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallerInfoLookupHelper;
-import com.android.server.telecom.callfiltering.CallFilter;
 import com.android.server.telecom.callfiltering.CallFilteringResult;
 import com.android.server.telecom.callfiltering.DirectToVoicemailFilter;
 
@@ -44,7 +44,6 @@
 import java.util.concurrent.CompletionStage;
 import java.util.concurrent.TimeUnit;
 
-
 @RunWith(JUnit4.class)
 public class DirectToVoicemailFilterTest extends TelecomTestCase {
     @Mock private CallerInfoLookupHelper mCallerInfoLookupHelper;
diff --git a/tests/src/com/android/server/telecom/tests/DtmfLocalTonePlayerTest.java b/tests/src/com/android/server/telecom/tests/DtmfLocalTonePlayerTest.java
index 85a5278..5ccfc38 100644
--- a/tests/src/com/android/server/telecom/tests/DtmfLocalTonePlayerTest.java
+++ b/tests/src/com/android/server/telecom/tests/DtmfLocalTonePlayerTest.java
@@ -15,8 +15,15 @@
 
 package com.android.server.telecom.tests;
 
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.media.ToneGenerator;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.DtmfLocalTonePlayer;
@@ -29,12 +36,6 @@
 import org.junit.runners.JUnit4;
 import org.mockito.Mock;
 
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class DtmfLocalTonePlayerTest extends TelecomTestCase {
     private static final int TIMEOUT = 2000;
diff --git a/tests/src/com/android/server/telecom/tests/EmergencyCallDiagnosticLoggerTest.java b/tests/src/com/android/server/telecom/tests/EmergencyCallDiagnosticLoggerTest.java
index 3cb8196..c63a3d5 100644
--- a/tests/src/com/android/server/telecom/tests/EmergencyCallDiagnosticLoggerTest.java
+++ b/tests/src/com/android/server/telecom/tests/EmergencyCallDiagnosticLoggerTest.java
@@ -35,6 +35,7 @@
 import android.net.Uri;
 import android.os.BugreportManager;
 import android.os.DropBoxManager;
+import android.os.UserHandle;
 import android.telecom.DisconnectCause;
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
@@ -128,6 +129,7 @@
         when(mTimeouts.getDaysBackToSearchEmergencyDiagnosticEntries()).
                 thenReturn(DAYS_BACK_TO_SEARCH_EMERGENCY_DIAGNOSTIC_ENTRIES);
         when(mClockProxy.currentTimeMillis()).thenReturn(System.currentTimeMillis());
+        when(mMockCallsManager.getCurrentUserHandle()).thenReturn(UserHandle.CURRENT);
 
         mEmergencyCallDiagnosticLogger = new EmergencyCallDiagnosticLogger(mTm, mBrm,
                 mTimeouts, mDbm, Runnable::run, mClockProxy);
@@ -171,7 +173,8 @@
                 false /* shouldAttachToExistingConnection*/,
                 false /* isConference */,
                 mMockClockProxy,
-                mMockToastProxy);
+                mMockToastProxy,
+                mFeatureFlags);
     }
 
     /**
diff --git a/tests/src/com/android/server/telecom/tests/EmergencyCallHelperTest.java b/tests/src/com/android/server/telecom/tests/EmergencyCallHelperTest.java
index 692d720..f2ad2f7 100644
--- a/tests/src/com/android/server/telecom/tests/EmergencyCallHelperTest.java
+++ b/tests/src/com/android/server/telecom/tests/EmergencyCallHelperTest.java
@@ -19,12 +19,24 @@
 import static android.Manifest.permission.ACCESS_BACKGROUND_LOCATION;
 import static android.Manifest.permission.ACCESS_FINE_LOCATION;
 
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
 import android.telecom.PhoneAccountHandle;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.DefaultDialerCache;
@@ -39,18 +51,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.assertFalse;
-
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.doThrow;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.any;
-
 @RunWith(JUnit4.class)
 public class EmergencyCallHelperTest extends TelecomTestCase {
   private static final String SYSTEM_DIALER_PACKAGE = "abc.xyz";
diff --git a/tests/src/com/android/server/telecom/tests/EventManagerTest.java b/tests/src/com/android/server/telecom/tests/EventManagerTest.java
index c7d3541..cee0f39 100644
--- a/tests/src/com/android/server/telecom/tests/EventManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/EventManagerTest.java
@@ -16,11 +16,17 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
 import android.net.Uri;
 import android.os.Build;
 import android.telecom.Log;
 import android.telecom.Logging.EventManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import org.junit.After;
 import org.junit.Before;
@@ -32,11 +38,6 @@
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.stream.Collectors;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
 /**
  * Unit tests for android.telecom.Logging.EventManager.
  */
diff --git a/tests/src/com/android/server/telecom/tests/HeadsetMediaButtonTest.java b/tests/src/com/android/server/telecom/tests/HeadsetMediaButtonTest.java
index 0bfa987..b7e5921 100644
--- a/tests/src/com/android/server/telecom/tests/HeadsetMediaButtonTest.java
+++ b/tests/src/com/android/server/telecom/tests/HeadsetMediaButtonTest.java
@@ -16,17 +16,26 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.Intent;
 import android.media.session.MediaSession;
-import android.test.suitebuilder.annotation.MediumTest;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.view.KeyEvent;
 
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallsManager;
 import com.android.server.telecom.HeadsetMediaButton;
-import com.android.server.telecom.TelecomSystem;
 import com.android.server.telecom.HeadsetMediaButton.MediaSessionWrapper;
+import com.android.server.telecom.TelecomSystem;
 
 import org.junit.After;
 import org.junit.Before;
@@ -37,15 +46,6 @@
 import org.mockito.Mock;
 import org.mockito.Mockito;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.eq;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class HeadsetMediaButtonTest extends TelecomTestCase {
     private static final int TEST_TIMEOUT_MILLIS = 1000;
diff --git a/tests/src/com/android/server/telecom/tests/InCallControllerTests.java b/tests/src/com/android/server/telecom/tests/InCallControllerTests.java
index 683a5e2..ba678fa 100644
--- a/tests/src/com/android/server/telecom/tests/InCallControllerTests.java
+++ b/tests/src/com/android/server/telecom/tests/InCallControllerTests.java
@@ -28,15 +28,13 @@
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyLong;
-import static org.mockito.ArgumentMatchers.anyObject;
 import static org.mockito.ArgumentMatchers.argThat;
 import static org.mockito.ArgumentMatchers.matches;
 import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
@@ -53,6 +51,7 @@
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.UiModeManager;
+import android.compat.testing.PlatformCompatChangeRule;
 import android.content.AttributionSource;
 import android.content.AttributionSourceState;
 import android.content.BroadcastReceiver;
@@ -70,7 +69,6 @@
 import android.content.pm.ServiceInfo;
 import android.content.pm.UserInfo;
 import android.content.res.Resources;
-import android.compat.testing.PlatformCompatChangeRule;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -87,10 +85,11 @@
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import android.test.mock.MockContext;
-import android.test.suitebuilder.annotation.MediumTest;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.text.TextUtils;
 
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
+
 import com.android.dx.mockito.inline.extended.ExtendedMockito;
 import com.android.internal.telecom.IInCallAdapter;
 import com.android.internal.telecom.IInCallService;
@@ -143,6 +142,8 @@
     @Mock PackageManager mMockPackageManager;
     @Mock PermissionCheckerManager mMockPermissionCheckerManager;
     @Mock Call mMockCall;
+    @Mock Call mMockSystemCall1;
+    @Mock Call mMockSystemCall2;
     @Mock Resources mMockResources;
     @Mock AppOpsManager mMockAppOpsManager;
     @Mock MockContext mMockContext;
@@ -236,7 +237,7 @@
                 "com.android.server.telecom.tests", null));
         mInCallController = new InCallController(mMockContext, mLock, mMockCallsManager,
                 mMockSystemStateHelper, mDefaultDialerCache, mTimeoutsAdapter,
-                mEmergencyCallHelper, mCarModeTracker, mClockProxy);
+                mEmergencyCallHelper, mCarModeTracker, mClockProxy, mFeatureFlags);
         // Capture the broadcast receiver registered.
         doAnswer(invocation -> {
             mRegisteredReceiver = invocation.getArgument(0);
@@ -588,6 +589,7 @@
         when(mMockCall.isEmergencyCall()).thenReturn(true);
         when(mMockCall.isIncoming()).thenReturn(true);
         when(mMockCall.getAssociatedUser()).thenReturn(DUMMY_USER_HANDLE);
+        when(mMockCall.getTargetPhoneAccount()).thenReturn(PA_HANDLE);
         when(mMockContext.getSystemService(eq(UserManager.class)))
             .thenReturn(mMockUserManager);
         when(mMockUserManager.isQuietModeEnabled(any(UserHandle.class))).thenReturn(true);
@@ -617,6 +619,7 @@
         when(mMockCall.isInECBM()).thenReturn(true);
         when(mMockCall.isIncoming()).thenReturn(true);
         when(mMockCall.getAssociatedUser()).thenReturn(DUMMY_USER_HANDLE);
+        when(mMockCall.getTargetPhoneAccount()).thenReturn(PA_HANDLE);
         when(mMockContext.getSystemService(eq(UserManager.class)))
                 .thenReturn(mMockUserManager);
         when(mMockUserManager.isQuietModeEnabled(any(UserHandle.class))).thenReturn(true);
@@ -647,6 +650,7 @@
         when(mMockCall.isInECBM()).thenReturn(true);
         when(mMockCall.isIncoming()).thenReturn(true);
         when(mMockCall.getAssociatedUser()).thenReturn(DUMMY_USER_HANDLE);
+        when(mMockCall.getTargetPhoneAccount()).thenReturn(PA_HANDLE);
         when(mMockContext.getSystemService(eq(UserManager.class)))
                 .thenReturn(mMockUserManager);
         when(mMockUserManager.isQuietModeEnabled(any(UserHandle.class))).thenReturn(false);
@@ -1839,6 +1843,67 @@
         assertNull(mInCallController.getInCallServiceConnections().get(testUser));
     }
 
+    @Test
+    public void testRemoveAllServiceConnections_MultiUser() throws Exception {
+        when(mFeatureFlags.associatedUserRefactorForWorkProfile()).thenReturn(true);
+        setupMocks(false /* isExternalCall */);
+        setupMockPackageManager(true /* default */, true /* system */, false /* external calls */);
+        UserHandle workUser = new UserHandle(12);
+        UserManager um = mContext.getSystemService(UserManager.class);
+        when(um.getUserInfo(anyInt())).thenReturn(mMockUserInfo);
+        when(mMockUserInfo.isManagedProfile()).thenReturn(false);
+        when(mMockCall.getAssociatedUser()).thenReturn(workUser);
+        setupFakeSystemCall(mMockSystemCall1, 1);
+        setupFakeSystemCall(mMockSystemCall2, 2);
+
+        // Add "work" call to service. The mapping should've been inserted
+        // with the workUser as the key.
+        mInCallController.onCallAdded(mMockCall);
+        // Add system call to service. The mapping should've been
+        // inserted with the system user as the key.
+        mInCallController.onCallAdded(mMockSystemCall1);
+
+        ArgumentCaptor<Intent> bindIntentCaptor = ArgumentCaptor.forClass(Intent.class);
+        // Make sure we bound to the system call as well as the work call.
+        verify(mMockContext, times(2)).bindServiceAsUser(
+                bindIntentCaptor.capture(),
+                any(ServiceConnection.class),
+                eq(serviceBindingFlags),
+                eq(UserHandle.CURRENT));
+        assertTrue(mInCallController.getInCallServiceConnections().containsKey(workUser));
+        assertTrue(mInCallController.getInCallServiceConnections().containsKey(UserHandle.SYSTEM));
+
+        // Remove the work call. This leverages getUserFromCall to remove the ICS mapping.
+        when(mMockCallsManager.getCalls()).thenReturn(Collections.singletonList(mMockSystemCall1));
+        mInCallController.onCallRemoved(mMockCall);
+        waitForHandlerAction(new Handler(Looper.getMainLooper()), TEST_TIMEOUT);
+        // Verify that the mapping was properly removed.
+        assertNull(mInCallController.getInCallServiceConnections().get(workUser));
+        // Verify mapping for system user is still present.
+        assertNotNull(mInCallController.getInCallServiceConnections().get(UserHandle.SYSTEM));
+
+        // Add another system call
+        mInCallController.onCallAdded(mMockSystemCall2);
+        when(mMockCallsManager.getCalls()).thenReturn(Collections.singletonList(mMockSystemCall2));
+        // Remove first system call and verify that mapping is present
+        mInCallController.onCallRemoved(mMockSystemCall1);
+        waitForHandlerAction(new Handler(Looper.getMainLooper()), TEST_TIMEOUT);
+        // Verify mapping for system user is still present.
+        assertNotNull(mInCallController.getInCallServiceConnections().get(UserHandle.SYSTEM));
+        // Remove last system call and verify that connection isn't present in ICS mapping.
+        when(mMockCallsManager.getCalls()).thenReturn(Collections.emptyList());
+        mInCallController.onCallRemoved(mMockSystemCall2);
+        waitForHandlerAction(new Handler(Looper.getMainLooper()), TEST_TIMEOUT);
+        assertNull(mInCallController.getInCallServiceConnections().get(UserHandle.SYSTEM));
+    }
+
+    private void setupFakeSystemCall(@Mock Call call, int id) {
+        when(call.getAssociatedUser()).thenReturn(UserHandle.SYSTEM);
+        when(call.getTargetPhoneAccount()).thenReturn(PA_HANDLE);
+        when(call.getAnalytics()).thenReturn(new Analytics.CallInfo());
+        when(call.getId()).thenReturn("TC@" + id);
+    }
+
     private void setupMocksForWorkProfileTest() {
         when(mMockContext.getPackageManager()).thenReturn(mMockPackageManager);
         when(mMockCallsManager.isInEmergencyCall()).thenReturn(false);
diff --git a/tests/src/com/android/server/telecom/tests/InCallServiceFixture.java b/tests/src/com/android/server/telecom/tests/InCallServiceFixture.java
index 88b5bb5..39381e6 100644
--- a/tests/src/com/android/server/telecom/tests/InCallServiceFixture.java
+++ b/tests/src/com/android/server/telecom/tests/InCallServiceFixture.java
@@ -16,6 +16,7 @@
 
 package com.android.server.telecom.tests;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.telecom.IInCallAdapter;
 import com.android.internal.telecom.IInCallService;
 
@@ -39,7 +40,7 @@
  * Controls a test {@link IInCallService} as would be provided by an InCall UI on a system.
  */
 public class InCallServiceFixture implements TestFixture<IInCallService> {
-
+    public static boolean sIgnoreOverrideAdapterFlag = false;
     public String mLatestCallId;
     public IInCallAdapter mInCallAdapter;
     public CallAudioState mCallAudioState;
@@ -53,10 +54,17 @@
     public CountDownLatch mUpdateCallLock = new CountDownLatch(1);
     public CountDownLatch mAddCallLock = new CountDownLatch(1);
 
+    @VisibleForTesting
+    public static void setIgnoreOverrideAdapterFlag(boolean flag) {
+        sIgnoreOverrideAdapterFlag = flag;
+    }
+
     public class FakeInCallService extends IInCallService.Stub {
         @Override
         public void setInCallAdapter(IInCallAdapter inCallAdapter) throws RemoteException {
-            if (mInCallAdapter != null && inCallAdapter != null) {
+            // sIgnoreOverrideAdapterFlag is being used to verify a scenario where the InCallAdapter
+            // gets set twice (secondary user places MO/MT call).
+            if (mInCallAdapter != null && inCallAdapter != null && !sIgnoreOverrideAdapterFlag) {
                 throw new RuntimeException("Adapter is already set");
             }
             if (mInCallAdapter == null && inCallAdapter == null) {
diff --git a/tests/src/com/android/server/telecom/tests/InCallTonePlayerTest.java b/tests/src/com/android/server/telecom/tests/InCallTonePlayerTest.java
index 1f1b939..c9faa52 100644
--- a/tests/src/com/android/server/telecom/tests/InCallTonePlayerTest.java
+++ b/tests/src/com/android/server/telecom/tests/InCallTonePlayerTest.java
@@ -23,7 +23,6 @@
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -33,9 +32,11 @@
 import android.media.AudioManager;
 import android.media.MediaPlayer;
 import android.media.ToneGenerator;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.AsyncRingtonePlayer;
+import com.android.server.telecom.Call;
 import com.android.server.telecom.CallAudioManager;
 import com.android.server.telecom.CallAudioRoutePeripheralAdapter;
 import com.android.server.telecom.CallAudioRouteStateMachine;
@@ -112,6 +113,8 @@
 
     @Mock
     private CallAudioManager mCallAudioManager;
+    @Mock
+    private Call mCall;
 
     private InCallTonePlayer mInCallTonePlayer;
 
@@ -122,7 +125,7 @@
 
         when(mToneGeneratorFactory.get(anyInt(), anyInt())).thenReturn(mToneGenerator);
         when(mMediaPlayerFactory.get(anyInt(), any())).thenReturn(mMediaPlayerAdapter);
-        doNothing().when(mCallAudioManager).setIsTonePlaying(anyBoolean());
+        doNothing().when(mCallAudioManager).setIsTonePlaying(any(Call.class), anyBoolean());
 
         mCallAudioRoutePeripheralAdapter = new CallAudioRoutePeripheralAdapter(
                 mCallAudioRouteStateMachine, mBluetoothRouteManager, mWiredHeadsetManager,
@@ -130,7 +133,7 @@
         mFactory = new InCallTonePlayer.Factory(mCallAudioRoutePeripheralAdapter, mLock,
                 mToneGeneratorFactory, mMediaPlayerFactory, mAudioManagerAdapter);
         mFactory.setCallAudioManager(mCallAudioManager);
-        mInCallTonePlayer = mFactory.createPlayer(InCallTonePlayer.TONE_CALL_ENDED);
+        mInCallTonePlayer = mFactory.createPlayer(mCall, InCallTonePlayer.TONE_CALL_ENDED);
     }
 
     @Override
@@ -147,11 +150,12 @@
         assertTrue(mInCallTonePlayer.startTone());
         // Verify we did play a tone.
         verify(mMediaPlayerFactory, timeout(TEST_TIMEOUT)).get(anyInt(), any());
-        verify(mCallAudioManager).setIsTonePlaying(eq(true));
+        verify(mCallAudioManager).setIsTonePlaying(any(Call.class), eq(true));
 
         mInCallTonePlayer.stopTone();
         // Timeouts due to threads!
-        verify(mCallAudioManager, timeout(TEST_TIMEOUT)).setIsTonePlaying(eq(false));
+        verify(mCallAudioManager, timeout(TEST_TIMEOUT)).setIsTonePlaying(any(Call.class),
+                eq(false));
     }
 
     @SmallTest
@@ -161,11 +165,12 @@
         assertTrue(mInCallTonePlayer.startTone());
         // Verify we did play a tone.
         verify(mMediaPlayerFactory, timeout(TEST_TIMEOUT)).get(anyInt(), any());
-        verify(mCallAudioManager).setIsTonePlaying(eq(true));
+        verify(mCallAudioManager).setIsTonePlaying(any(Call.class), eq(true));
 
         mInCallTonePlayer.stopTone();
         // Timeouts due to threads!
-        verify(mCallAudioManager, timeout(TEST_TIMEOUT)).setIsTonePlaying(eq(false));
+        verify(mCallAudioManager, timeout(TEST_TIMEOUT)).setIsTonePlaying(any(Call.class),
+                eq(false));
 
         // Correctness check: ensure we can't start the tone again.
         assertFalse(mInCallTonePlayer.startTone());
@@ -174,15 +179,16 @@
     @SmallTest
     @Test
     public void testInterruptToneGenerator() {
-        mInCallTonePlayer = mFactory.createPlayer(InCallTonePlayer.TONE_RING_BACK);
+        mInCallTonePlayer = mFactory.createPlayer(mCall, InCallTonePlayer.TONE_RING_BACK);
         when(mAudioManagerAdapter.isVolumeOverZero()).thenReturn(true);
         assertTrue(mInCallTonePlayer.startTone());
         verify(mToneGenerator, timeout(TEST_TIMEOUT)).startTone(anyInt());
-        verify(mCallAudioManager).setIsTonePlaying(eq(true));
+        verify(mCallAudioManager).setIsTonePlaying(any(Call.class), eq(true));
 
         mInCallTonePlayer.stopTone();
         // Timeouts due to threads!
-        verify(mCallAudioManager, timeout(TEST_TIMEOUT)).setIsTonePlaying(eq(false));
+        verify(mCallAudioManager, timeout(TEST_TIMEOUT)).setIsTonePlaying(any(Call.class),
+                eq(false));
         // Ideally it would be nice to verify this, however release is a native method so appears to
         // cause flakiness when testing on Cuttlefish.
         // verify(mToneGenerator, timeout(TEST_TIMEOUT)).release();
@@ -199,7 +205,8 @@
 
         // Verify we did play a tone.
         verify(mMediaPlayerFactory, timeout(TEST_TIMEOUT)).get(anyInt(), any());
-        verify(mCallAudioManager, timeout(TEST_TIMEOUT)).setIsTonePlaying(eq(true));
+        verify(mCallAudioManager, timeout(TEST_TIMEOUT)).setIsTonePlaying(any(Call.class),
+                eq(true));
     }
 
     @SmallTest
@@ -213,11 +220,11 @@
         when(mBluetoothRouteManager.isCachedLeAudioDevice(mDevice)).thenReturn(false);
         when(mBluetoothRouteManager.isCachedHearingAidDevice(mDevice)).thenReturn(false);
 
-        mInCallTonePlayer = mFactory.createPlayer(InCallTonePlayer.TONE_RING_BACK);
+        mInCallTonePlayer = mFactory.createPlayer(mCall, InCallTonePlayer.TONE_RING_BACK);
         assertTrue(mInCallTonePlayer.startTone());
         verify(mToneGeneratorFactory, timeout(TEST_TIMEOUT))
                 .get(eq(AudioManager.STREAM_BLUETOOTH_SCO), anyInt());
-        verify(mCallAudioManager).setIsTonePlaying(eq(true));
+        verify(mCallAudioManager).setIsTonePlaying(any(Call.class), eq(true));
     }
 
     @SmallTest
@@ -231,11 +238,11 @@
         when(mBluetoothRouteManager.isCachedLeAudioDevice(mDevice)).thenReturn(false);
         when(mBluetoothRouteManager.isCachedHearingAidDevice(mDevice)).thenReturn(false);
 
-        mInCallTonePlayer = mFactory.createPlayer(InCallTonePlayer.TONE_CALL_WAITING);
+        mInCallTonePlayer = mFactory.createPlayer(mCall, InCallTonePlayer.TONE_CALL_WAITING);
         assertTrue(mInCallTonePlayer.startTone());
         verify(mToneGeneratorFactory, timeout(TEST_TIMEOUT))
                 .get(eq(AudioManager.STREAM_BLUETOOTH_SCO), anyInt());
-        verify(mCallAudioManager).setIsTonePlaying(eq(true));
+        verify(mCallAudioManager).setIsTonePlaying(any(Call.class), eq(true));
     }
 
     @SmallTest
@@ -249,11 +256,11 @@
         when(mBluetoothRouteManager.isCachedLeAudioDevice(mDevice)).thenReturn(false);
         when(mBluetoothRouteManager.isCachedHearingAidDevice(mDevice)).thenReturn(true);
 
-        mInCallTonePlayer = mFactory.createPlayer(InCallTonePlayer.TONE_RING_BACK);
+        mInCallTonePlayer = mFactory.createPlayer(mCall, InCallTonePlayer.TONE_RING_BACK);
         assertTrue(mInCallTonePlayer.startTone());
         verify(mToneGeneratorFactory, timeout(TEST_TIMEOUT))
                 .get(eq(AudioManager.STREAM_VOICE_CALL), anyInt());
-        verify(mCallAudioManager).setIsTonePlaying(eq(true));
+        verify(mCallAudioManager).setIsTonePlaying(any(Call.class), eq(true));
     }
 
     @SmallTest
@@ -267,10 +274,10 @@
         when(mBluetoothRouteManager.isCachedLeAudioDevice(mDevice)).thenReturn(false);
         when(mBluetoothRouteManager.isCachedHearingAidDevice(mDevice)).thenReturn(true);
 
-        mInCallTonePlayer = mFactory.createPlayer(InCallTonePlayer.TONE_CALL_WAITING);
+        mInCallTonePlayer = mFactory.createPlayer(mCall, InCallTonePlayer.TONE_CALL_WAITING);
         assertTrue(mInCallTonePlayer.startTone());
         verify(mToneGeneratorFactory, timeout(TEST_TIMEOUT))
                 .get(eq(AudioManager.STREAM_VOICE_CALL), anyInt());
-        verify(mCallAudioManager).setIsTonePlaying(eq(true));
+        verify(mCallAudioManager).setIsTonePlaying(any(Call.class), eq(true));
     }
 }
diff --git a/tests/src/com/android/server/telecom/tests/InCallWakeLockControllerTest.java b/tests/src/com/android/server/telecom/tests/InCallWakeLockControllerTest.java
index f935908..cdf2542 100644
--- a/tests/src/com/android/server/telecom/tests/InCallWakeLockControllerTest.java
+++ b/tests/src/com/android/server/telecom/tests/InCallWakeLockControllerTest.java
@@ -17,13 +17,14 @@
 package com.android.server.telecom.tests;
 
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.never;
 
 import android.os.PowerManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallState;
diff --git a/tests/src/com/android/server/telecom/tests/IncomingCallFilterGraphTest.java b/tests/src/com/android/server/telecom/tests/IncomingCallFilterGraphTest.java
index 9269836..66ac553 100644
--- a/tests/src/com/android/server/telecom/tests/IncomingCallFilterGraphTest.java
+++ b/tests/src/com/android/server/telecom/tests/IncomingCallFilterGraphTest.java
@@ -16,11 +16,16 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.Mockito.when;
+
 import android.content.ContentResolver;
 import android.content.Context;
 import android.os.Handler;
 import android.os.HandlerThread;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.TelecomSystem;
@@ -30,15 +35,11 @@
 import com.android.server.telecom.callfiltering.CallFilteringResult;
 import com.android.server.telecom.callfiltering.IncomingCallFilterGraph;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Mockito.when;
-
 import org.junit.Before;
+import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 import org.mockito.Mock;
-import org.junit.Test;
 
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CompletionStage;
diff --git a/tests/src/com/android/server/telecom/tests/IncomingCallNotifierTest.java b/tests/src/com/android/server/telecom/tests/IncomingCallNotifierTest.java
index 914fdc5..2d81bb3 100644
--- a/tests/src/com/android/server/telecom/tests/IncomingCallNotifierTest.java
+++ b/tests/src/com/android/server/telecom/tests/IncomingCallNotifierTest.java
@@ -16,15 +16,21 @@
 
 package com.android.server.telecom.tests;
 
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.app.NotificationManager;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.os.Build;
 import android.os.UserHandle;
-import android.telecom.PhoneAccountHandle;
 import android.telecom.VideoProfile;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallState;
@@ -38,14 +44,6 @@
 import org.junit.runners.JUnit4;
 import org.mockito.Mock;
 
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 /**
  * Tests for the {@link com.android.server.telecom.ui.IncomingCallNotifier} class.
  */
diff --git a/tests/src/com/android/server/telecom/tests/LogUtilsTest.java b/tests/src/com/android/server/telecom/tests/LogUtilsTest.java
index 637dfbc..4393d90 100644
--- a/tests/src/com/android/server/telecom/tests/LogUtilsTest.java
+++ b/tests/src/com/android/server/telecom/tests/LogUtilsTest.java
@@ -18,7 +18,7 @@
 
 import static org.junit.Assert.assertTrue;
 
-import android.test.suitebuilder.annotation.SmallTest;
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.LogUtils;
 
diff --git a/tests/src/com/android/server/telecom/tests/MissedCallNotifierImplTest.java b/tests/src/com/android/server/telecom/tests/MissedCallNotifierImplTest.java
index 2b05430..61e8347 100644
--- a/tests/src/com/android/server/telecom/tests/MissedCallNotifierImplTest.java
+++ b/tests/src/com/android/server/telecom/tests/MissedCallNotifierImplTest.java
@@ -16,9 +16,30 @@
 
 package com.android.server.telecom.tests;
 
+import static com.android.server.telecom.ui.MissedCallNotifierImpl.CALL_LOG_COLUMN_ID;
+
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertTrue;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.isNull;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.app.BroadcastOptions;
 import android.app.Notification;
 import android.app.NotificationManager;
@@ -29,8 +50,6 @@
 import android.content.IContentProvider;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
@@ -39,13 +58,14 @@
 import android.os.Looper;
 import android.os.UserHandle;
 import android.provider.CallLog;
+import android.telecom.CallerInfo;
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import android.telephony.TelephonyManager;
-import android.test.suitebuilder.annotation.SmallTest;
 
-import android.telecom.CallerInfo;
+import androidx.test.filters.SmallTest;
+
 import com.android.server.telecom.CallerInfoLookupHelper;
 import com.android.server.telecom.Constants;
 import com.android.server.telecom.DefaultDialerCache;
@@ -67,32 +87,11 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyLong;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
-import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.timeout;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class MissedCallNotifierImplTest extends TelecomTestCase {
 
@@ -241,7 +240,7 @@
         MissedCallNotifier.CallInfo fakeCall = makeFakeCallInfo(TEL_CALL_HANDLE, CALLER_NAME,
                 CALL_TIMESTAMP, phoneAccount.getAccountHandle());
 
-        missedCallNotifier.showMissedCallNotification(fakeCall);
+        missedCallNotifier.showMissedCallNotification(fakeCall, /* uri= */ null);
         ArgumentCaptor<Intent> intentArgumentCaptor = ArgumentCaptor.forClass(Intent.class);
         verify(mContext).sendBroadcastAsUser(intentArgumentCaptor.capture(), any(),
                 anyString(), any());
@@ -250,6 +249,31 @@
         assertEquals(1, sentIntent.getIntExtra(TelecomManager.EXTRA_NOTIFICATION_COUNT, -1));
     }
 
+    @SmallTest
+    @Test
+    public void testCallLogUriSentToNotifier(){
+        MissedCallNotifier missedCallNotifier = setupMissedCallNotificationThroughDefaultDialer();
+        PhoneAccount phoneAccount = makePhoneAccount(PRIMARY_USER, NO_CAPABILITY);
+        Cursor mockMissedCallsCursor = new MockMissedCallCursorBuilder()
+                .addEntry(TEL_CALL_HANDLE.getSchemeSpecificPart(),
+                        CallLog.Calls.PRESENTATION_ALLOWED, CALL_TIMESTAMP)
+                .build();
+        MissedCallNotifier.CallInfo fakeCall = makeFakeCallInfo(TEL_CALL_HANDLE, CALLER_NAME,
+                CALL_TIMESTAMP, phoneAccount.getAccountHandle());
+        when(mFeatureFlags.addCallUriForMissedCalls()).thenReturn(true);
+
+        missedCallNotifier.showMissedCallNotification(fakeCall,
+                CallLog.Calls.CONTENT_URI.buildUpon().appendPath(Long.toString(
+                        mockMissedCallsCursor.getInt(CALL_LOG_COLUMN_ID))).build());
+        ArgumentCaptor<Intent> intentArgumentCaptor = ArgumentCaptor.forClass(Intent.class);
+        verify(mContext).sendBroadcastAsUser(intentArgumentCaptor.capture(), any(),
+                anyString(), any());
+
+        Intent sentIntent = intentArgumentCaptor.getValue();
+        Uri actualCallUri = sentIntent.getParcelableExtra(TelecomManager.EXTRA_CALL_LOG_URI);
+        assertTrue(actualCallUri.isPathPrefixMatch(CallLog.Calls.CONTENT_URI));
+    }
+
     private MissedCallNotifier setupMissedCallNotificationThroughDefaultDialer() {
         mComponentContextFixture.addIntentReceiver(
                 TelecomManager.ACTION_SHOW_MISSED_CALLS_NOTIFICATION, COMPONENT_NAME);
@@ -275,9 +299,9 @@
         MissedCallNotifier.CallInfo fakeCall = makeFakeCallInfo(TEL_CALL_HANDLE, CALLER_NAME,
                 CALL_TIMESTAMP, phoneAccount.getAccountHandle());
 
-        missedCallNotifier.showMissedCallNotification(fakeCall);
+        missedCallNotifier.showMissedCallNotification(fakeCall, /* uri= */null);
         missedCallNotifier.clearMissedCalls(userHandle);
-        missedCallNotifier.showMissedCallNotification(fakeCall);
+        missedCallNotifier.showMissedCallNotification(fakeCall, /* uri= */null);
 
         ArgumentCaptor<Integer> requestIdCaptor = ArgumentCaptor.forClass(
                 Integer.class);
@@ -308,10 +332,10 @@
 
         MissedCallNotifier missedCallNotifier = new MissedCallNotifierImpl(mContext,
                 mPhoneAccountRegistrar, mDefaultDialerCache, fakeBuilderFactory,
-                mDeviceIdleControllerAdapter);
+                mDeviceIdleControllerAdapter, mFeatureFlags);
 
-        missedCallNotifier.showMissedCallNotification(fakeCall);
-        missedCallNotifier.showMissedCallNotification(fakeCall);
+        missedCallNotifier.showMissedCallNotification(fakeCall, /* uri= */ null);
+        missedCallNotifier.showMissedCallNotification(fakeCall, /* uri= */ null);
 
         // The following captor is to capture the two notifications that got passed into
         // notifyAsUser. This distinguishes between the builders used for the full notification
@@ -402,7 +426,7 @@
 
         MissedCallNotifier.CallInfo fakeCall = makeFakeCallInfo(TEL_CALL_HANDLE, CALLER_NAME,
                 CALL_TIMESTAMP, phoneAccount.getAccountHandle());
-        missedCallNotifier.showMissedCallNotification(fakeCall);
+        missedCallNotifier.showMissedCallNotification(fakeCall, /* uri= */ null);
 
         ArgumentCaptor<Notification> notificationArgumentCaptor = ArgumentCaptor.forClass(
                 Notification.class);
@@ -464,13 +488,13 @@
 
         MissedCallNotifier missedCallNotifier = new MissedCallNotifierImpl(mContext,
                 mPhoneAccountRegistrar, mDefaultDialerCache, fakeBuilderFactory,
-                mDeviceIdleControllerAdapter);
+                mDeviceIdleControllerAdapter, mFeatureFlags);
         PhoneAccount phoneAccount = makePhoneAccount(PRIMARY_USER, NO_CAPABILITY);
 
         MissedCallNotifier.CallInfo fakeCall =
                 makeFakeCallInfo(SIP_CALL_HANDLE, CALLER_NAME, CALL_TIMESTAMP,
                 phoneAccount.getAccountHandle());
-        missedCallNotifier.showMissedCallNotification(fakeCall);
+        missedCallNotifier.showMissedCallNotification(fakeCall, /* uri= */ null);
 
         // Create two intents that correspond to call-back and respond back with SMS, and assert
         // that in the case of a SIP call, no SMS intent is generated.
@@ -525,7 +549,7 @@
 
         MissedCallNotifier missedCallNotifier = new MissedCallNotifierImpl(mContext,
                 mPhoneAccountRegistrar, mDefaultDialerCache, fakeBuilderFactory,
-                mDeviceIdleControllerAdapter);
+                mDeviceIdleControllerAdapter, mFeatureFlags);
 
         // AsyncQueryHandler used in reloadFromDatabase interacts poorly with the below
         // timeout-verify, so run this in a new handler to mitigate that.
@@ -595,7 +619,7 @@
 
         MissedCallNotifier missedCallNotifier = new MissedCallNotifierImpl(mContext,
                 mPhoneAccountRegistrar, mDefaultDialerCache, fakeBuilderFactory,
-                mDeviceIdleControllerAdapter);
+                mDeviceIdleControllerAdapter, mFeatureFlags);
 
         // AsyncQueryHandler used in reloadFromDatabase interacts poorly with the below
         // timeout-verify, so run this in a new handler to mitigate that.
@@ -637,13 +661,13 @@
 
         MissedCallNotifier missedCallNotifier = new MissedCallNotifierImpl(mContext,
                 mPhoneAccountRegistrar, mDefaultDialerCache, fakeBuilderFactory,
-                mDeviceIdleControllerAdapter);
+                mDeviceIdleControllerAdapter, mFeatureFlags);
         PhoneAccount phoneAccount = makePhoneAccount(PRIMARY_USER, NO_CAPABILITY);
 
         MissedCallNotifier.CallInfo fakeCall =
                 makeFakeCallInfo(SIP_CALL_HANDLE, CALLER_NAME, CALL_TIMESTAMP,
                         phoneAccount.getAccountHandle());
-        missedCallNotifier.showMissedCallNotification(fakeCall);
+        missedCallNotifier.showMissedCallNotification(fakeCall, /* uri= */ null);
 
         ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
         ArgumentCaptor<Bundle> bundleCaptor =
@@ -701,7 +725,7 @@
             NotificationBuilderFactory fakeBuilderFactory, UserHandle currentUser) {
         MissedCallNotifier missedCallNotifier = new MissedCallNotifierImpl(mContext,
                 mPhoneAccountRegistrar, mDefaultDialerCache, fakeBuilderFactory,
-                mDeviceIdleControllerAdapter);
+                mDeviceIdleControllerAdapter, mFeatureFlags);
         missedCallNotifier.setCurrentUserHandle(currentUser);
         return missedCallNotifier;
     }
diff --git a/tests/src/com/android/server/telecom/tests/MissedCallNotifierTest.java b/tests/src/com/android/server/telecom/tests/MissedCallNotifierTest.java
index e441835..c0e3435 100644
--- a/tests/src/com/android/server/telecom/tests/MissedCallNotifierTest.java
+++ b/tests/src/com/android/server/telecom/tests/MissedCallNotifierTest.java
@@ -16,14 +16,17 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
 import android.content.ComponentName;
 import android.net.Uri;
-import android.telecom.PhoneAccountHandle;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.telecom.CallerInfo;
+import android.telecom.PhoneAccountHandle;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.MissedCallNotifier;
-import com.android.server.telecom.MissedCallNotifier.CallInfo;
 
 import org.junit.After;
 import org.junit.Before;
@@ -31,9 +34,6 @@
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-
 @RunWith(JUnit4.class)
 public class MissedCallNotifierTest extends TelecomTestCase {
     private static final ComponentName COMPONENT_NAME =
diff --git a/tests/src/com/android/server/telecom/tests/MissedInformationTest.java b/tests/src/com/android/server/telecom/tests/MissedInformationTest.java
index 4af3de3..0c3588e 100644
--- a/tests/src/com/android/server/telecom/tests/MissedInformationTest.java
+++ b/tests/src/com/android/server/telecom/tests/MissedInformationTest.java
@@ -32,9 +32,9 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
@@ -109,6 +109,7 @@
         mAdapter = new CallIntentProcessor.AdapterImpl(mCallsManager.getDefaultDialerCache());
         mNotificationManager = spy((NotificationManager) mContext.getSystemService(
                 Context.NOTIFICATION_SERVICE));
+        when(mFeatureFlags.telecomResolveHiddenDependencies()).thenReturn(true);
         when(mContentResolver.getPackageName()).thenReturn(PACKAGE_NAME);
         when(mContentResolver.acquireProvider(any(String.class))).thenReturn(mContentProvider);
         when(mContentProvider.call(any(String.class), any(String.class),
@@ -152,6 +153,8 @@
         setUpEmergencyCall();
         when(mEmergencyCall.getAssociatedUser()).
                 thenReturn(mPhoneAccountA0.getAccountHandle().getUserHandle());
+        when(mEmergencyCall.getTargetPhoneAccount())
+                .thenReturn(mPhoneAccountA0.getAccountHandle());
         mCallsManager.addCall(mEmergencyCall);
         assertTrue(mCallsManager.isInEmergencyCall());
 
@@ -417,7 +420,7 @@
                 null, mCallsManager.getPhoneNumberUtilsAdapter(), null,
                 null, null, mPhoneAccountA0.getAccountHandle(),
                 Call.CALL_DIRECTION_INCOMING, false, false,
-                mClockProxy, null));
+                mClockProxy, null, mFeatureFlags));
         doReturn(1L).when(mIncomingCall).getStartRingTime();
         doAnswer((x) -> {
             mCountDownLatch.countDown();
diff --git a/tests/src/com/android/server/telecom/tests/MmiUtilsTest.java b/tests/src/com/android/server/telecom/tests/MmiUtilsTest.java
index ed74637..3f4b5f6 100644
--- a/tests/src/com/android/server/telecom/tests/MmiUtilsTest.java
+++ b/tests/src/com/android/server/telecom/tests/MmiUtilsTest.java
@@ -20,7 +20,8 @@
 import static org.junit.Assert.assertTrue;
 
 import android.net.Uri;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.MmiUtils;
 
diff --git a/tests/src/com/android/server/telecom/tests/NewOutgoingCallIntentBroadcasterTest.java b/tests/src/com/android/server/telecom/tests/NewOutgoingCallIntentBroadcasterTest.java
index 33acd98..e75ad97 100644
--- a/tests/src/com/android/server/telecom/tests/NewOutgoingCallIntentBroadcasterTest.java
+++ b/tests/src/com/android/server/telecom/tests/NewOutgoingCallIntentBroadcasterTest.java
@@ -20,17 +20,16 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyBoolean;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNotNull;
-import static org.mockito.Matchers.isNull;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.isNotNull;
+import static org.mockito.ArgumentMatchers.isNull;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -51,7 +50,8 @@
 import android.telecom.VideoProfile;
 import android.telephony.DisconnectCause;
 import android.telephony.TelephonyManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallsManager;
@@ -64,6 +64,7 @@
 import com.android.server.telecom.RoleManagerAdapter;
 import com.android.server.telecom.SystemStateHelper;
 import com.android.server.telecom.TelecomSystem;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import org.junit.After;
 import org.junit.Before;
@@ -75,6 +76,8 @@
 
 @RunWith(JUnit4.class)
 public class NewOutgoingCallIntentBroadcasterTest extends TelecomTestCase {
+    private static final Uri TEST_URI = Uri.parse("tel:16505551212");
+
     private static class ReceiverIntentPair {
         public BroadcastReceiver receiver;
         public Intent intent;
@@ -93,6 +96,7 @@
     @Mock private PhoneAccountRegistrar mPhoneAccountRegistrar;
     @Mock private RoleManagerAdapter mRoleManagerAdapter;
     @Mock private DefaultDialerCache mDefaultDialerCache;
+    @Mock private FeatureFlags mFeatureFlags;
 
     @Mock private MmiUtils mMmiUtils;
     private PhoneNumberUtilsAdapter mPhoneNumberUtilsAdapter = new PhoneNumberUtilsAdapterImpl();
@@ -113,6 +117,7 @@
             any(PhoneAccountHandle.class))).thenReturn(mPhoneAccount);
         when(mPhoneAccount.isSelfManaged()).thenReturn(true);
         when(mSystemStateHelper.isCarModeOrProjectionActive()).thenReturn(false);
+        when(mFeatureFlags.isNewOutgoingCallBroadcastUnblocking()).thenReturn(false);
     }
 
     @Override
@@ -510,6 +515,84 @@
         testUnmodifiedRegularCall();
     }
 
+    /**
+     * Where the flag `isNewOutgoingCallBroadcastUnblocking` is off, verify that we sent an ordered
+     * broadcast and did not try to start the call immediately (legacy behavior).
+     */
+    @SmallTest
+    @Test
+    public void testSendBroadcastBlocking() {
+        when(mFeatureFlags.isNewOutgoingCallBroadcastUnblocking()).thenReturn(false);
+        Intent intent = new Intent(Intent.ACTION_CALL, TEST_URI);
+        NewOutgoingCallIntentBroadcaster nocib = new NewOutgoingCallIntentBroadcaster(
+                mContext, mCallsManager, intent, mPhoneNumberUtilsAdapter,
+                true /* isDefaultPhoneApp */, mDefaultDialerCache, mMmiUtils, mFeatureFlags);
+
+        NewOutgoingCallIntentBroadcaster.CallDisposition disposition = nocib.evaluateCall();
+        nocib.processCall(mCall, disposition);
+
+        // We should not have not short-circuited to place the outgoing call directly.
+        verify(mCall, never()).setNewOutgoingCallIntentBroadcastIsDone();
+        verify(mCallsManager, never()).placeOutgoingCall(any(Call.class), any(Uri.class),
+                any(GatewayInfo.class), anyBoolean(), anyInt());
+
+        // Ensure we did send the broadcast ordered
+        verifyBroadcastSent(TEST_URI.getSchemeSpecificPart(),
+                createNumberExtras(TEST_URI.getSchemeSpecificPart()));
+
+        // Ensure we did not try to directly send the broadcast unordered.
+        verify(mContext, never()).sendBroadcastAsUser(
+                any(Intent.class),
+                eq(UserHandle.CURRENT),
+                eq(android.Manifest.permission.PROCESS_OUTGOING_CALLS));
+    }
+
+    /**
+     * Where the flag `isNewOutgoingCallBroadcastUnblocking` is off, verify that we sent an ordered
+     * broadcast and did not try to start the call immediately.  Also ensure that the broadcast
+     * flags are correct.
+     */
+    @SmallTest
+    @Test
+    public void testSendBroadcastNonBlocking() {
+        when(mFeatureFlags.isNewOutgoingCallBroadcastUnblocking()).thenReturn(true);
+        Intent intent = new Intent(Intent.ACTION_CALL, TEST_URI);
+        NewOutgoingCallIntentBroadcaster nocib = new NewOutgoingCallIntentBroadcaster(
+                mContext, mCallsManager, intent, mPhoneNumberUtilsAdapter,
+                true /* isDefaultPhoneApp */, mDefaultDialerCache, mMmiUtils, mFeatureFlags);
+
+        NewOutgoingCallIntentBroadcaster.CallDisposition disposition = nocib.evaluateCall();
+        nocib.processCall(mCall, disposition);
+
+        // We should have started the outgoing call flow immediately.
+        verify(mCall).setNewOutgoingCallIntentBroadcastIsDone();
+        verify(mCallsManager).placeOutgoingCall(any(Call.class), any(Uri.class),
+                nullable(GatewayInfo.class), anyBoolean(), anyInt());
+
+        // Ensure we didn't send an ordered broadcast.
+        verify(mContext, never()).sendOrderedBroadcastAsUser(
+                any(Intent.class),
+                any(UserHandle.class),
+                anyString(),
+                anyInt(),
+                any(Bundle.class),
+                any(BroadcastReceiver.class),
+                any(Handler.class),
+                eq(Activity.RESULT_OK),
+                anyString(),
+                any(Bundle.class));
+
+        // But that we did send a regular broadcast.
+        ArgumentCaptor<Intent> intentArgumentCaptor = ArgumentCaptor.forClass(Intent.class);
+        verify(mContext).sendBroadcastAsUser(
+                intentArgumentCaptor.capture(),
+                eq(UserHandle.CURRENT),
+                eq(android.Manifest.permission.PROCESS_OUTGOING_CALLS),
+                eq(AppOpsManager.OP_PROCESS_OUTGOING_CALLS));
+        Intent capturedIntent = intentArgumentCaptor.getValue();
+        assertEquals(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, capturedIntent.getFlags());
+    }
+
     private ReceiverIntentPair regularCallTestHelper(Intent intent,
             Bundle expectedAdditionalExtras) {
         Uri handle = intent.getData();
@@ -542,7 +625,7 @@
             boolean isDefaultPhoneApp) {
         NewOutgoingCallIntentBroadcaster b = new NewOutgoingCallIntentBroadcaster(
                 mContext, mCallsManager, intent, mPhoneNumberUtilsAdapter,
-                isDefaultPhoneApp, mDefaultDialerCache, mMmiUtils);
+                isDefaultPhoneApp, mDefaultDialerCache, mMmiUtils, mFeatureFlags);
         NewOutgoingCallIntentBroadcaster.CallDisposition cd = b.evaluateCall();
         if (cd.disconnectCause == DisconnectCause.NOT_DISCONNECTED) {
             b.processCall(mCall, cd);
diff --git a/tests/src/com/android/server/telecom/tests/ParcelableCallUtilsTest.java b/tests/src/com/android/server/telecom/tests/ParcelableCallUtilsTest.java
index fed8084..8eefd96 100644
--- a/tests/src/com/android/server/telecom/tests/ParcelableCallUtilsTest.java
+++ b/tests/src/com/android/server/telecom/tests/ParcelableCallUtilsTest.java
@@ -13,11 +13,13 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.SystemClock;
+import android.os.UserHandle;
 import android.telecom.Connection;
 import android.telecom.ParcelableCall;
 import android.telecom.PhoneAccountHandle;
 import android.telephony.ims.ImsCallProfile;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallerInfoLookupHelper;
@@ -57,6 +59,7 @@
         when(mClockProxy.elapsedRealtime()).thenReturn(SystemClock.elapsedRealtime());
         when(mCallsManager.getCallerInfoLookupHelper()).thenReturn(mCallerInfoLookupHelper);
         when(mCallsManager.getPhoneAccountRegistrar()).thenReturn(mPhoneAccountRegistrar);
+        when(mCallsManager.getCurrentUserHandle()).thenReturn(UserHandle.CURRENT);
         when(mPhoneAccountRegistrar.getPhoneAccountUnchecked(any())).thenReturn(null);
         when(mComponentContextFixture.getTelephonyManager().isEmergencyNumber(any()))
                 .thenReturn(false);
@@ -75,7 +78,8 @@
                 false /* shouldAttachToExistingConnection */,
                 false /* isConference */,
                 mClockProxy /* ClockProxy */,
-                mToastProxy);
+                mToastProxy,
+                mFeatureFlags);
     }
 
     @Override
diff --git a/tests/src/com/android/server/telecom/tests/PhoneAccountRegistrarTest.java b/tests/src/com/android/server/telecom/tests/PhoneAccountRegistrarTest.java
index 9fcb87a..2d10f40 100644
--- a/tests/src/com/android/server/telecom/tests/PhoneAccountRegistrarTest.java
+++ b/tests/src/com/android/server/telecom/tests/PhoneAccountRegistrarTest.java
@@ -23,14 +23,12 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Matchers.anyBoolean;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.clearInvocations;
-import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -57,11 +55,11 @@
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
-import android.test.suitebuilder.annotation.SmallTest;
-import android.test.suitebuilder.annotation.MediumTest;
 import android.util.Xml;
 
 import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.MediumTest;
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.telecom.IConnectionService;
 import com.android.internal.util.FastXmlSerializer;
@@ -117,6 +115,7 @@
     @Mock private TelecomManager mTelecomManager;
     @Mock private DefaultDialerCache mDefaultDialerCache;
     @Mock private AppLabelProxy mAppLabelProxy;
+    @Mock private com.android.internal.telephony.flags.FeatureFlags mTelephonyFeatureFlags;
 
     @Override
     @Before
@@ -134,8 +133,10 @@
         when(mAppLabelProxy.getAppLabel(anyString()))
                 .thenReturn(TEST_LABEL);
         mRegistrar = new PhoneAccountRegistrar(
-                mComponentContextFixture.getTestDouble().getApplicationContext(),
-                mLock, FILE_NAME, mDefaultDialerCache, mAppLabelProxy);
+                mComponentContextFixture.getTestDouble().getApplicationContext(), mLock, FILE_NAME,
+                mDefaultDialerCache, mAppLabelProxy, mTelephonyFeatureFlags);
+        when(mFeatureFlags.onlyUpdateTelephonyOnValidSubIds()).thenReturn(false);
+        when(mTelephonyFeatureFlags.workProfileApiSplit()).thenReturn(false);
     }
 
     @Override
@@ -353,40 +354,6 @@
                 PhoneAccount.SCHEME_TEL));
     }
 
-    /**
-     * Verify when a {@link android.telecom.ConnectionService} is disabled or cannot be resolved,
-     * all phone accounts are unregistered when calling
-     * {@link  PhoneAccountRegistrar#getAccountsForPackage_BypassResolveComp(String, UserHandle)}.
-     */
-    @Test
-    public void testCannotResolveServiceUnregistersAccounts() throws Exception {
-        ComponentName componentName = makeQuickConnectionServiceComponentName();
-        PhoneAccount account = makeQuickAccountBuilder("0", 0, USER_HANDLE_10)
-                .setCapabilities(PhoneAccount.CAPABILITY_CONNECTION_MANAGER
-                        | PhoneAccount.CAPABILITY_CALL_PROVIDER).build();
-        // add the ConnectionService and register a single phone account for it
-        mComponentContextFixture.addConnectionService(componentName,
-                Mockito.mock(IConnectionService.class));
-        registerAndEnableAccount(account);
-        // verify the start state
-        assertEquals(1,
-                mRegistrar.getAccountsForPackage_BypassResolveComp(componentName.getPackageName(),
-                        USER_HANDLE_10).size());
-        // remove the ConnectionService so that the account cannot be resolved anymore
-        mComponentContextFixture.removeConnectionService(componentName,
-                Mockito.mock(IConnectionService.class));
-        // verify the account is unregistered when fetching the phone accounts for the package
-        assertEquals(1,
-                mRegistrar.getAccountsForPackage_BypassResolveComp(componentName.getPackageName(),
-                        USER_HANDLE_10).size());
-        assertEquals(0,mRegistrar.cleanupUnresolvableConnectionServiceAccounts(
-                mRegistrar.getAccountsForPackage_BypassResolveComp(componentName.getPackageName(),
-                USER_HANDLE_10)).size());
-        assertEquals(0,
-                mRegistrar.getAccountsForPackage_BypassResolveComp(componentName.getPackageName(),
-                        USER_HANDLE_10).size());
-    }
-
     @MediumTest
     @Test
     public void testSimCallManager() throws Exception {
@@ -1734,6 +1701,56 @@
         }
     }
 
+    @Test
+    public void testGetPhoneAccountAcrossUsers() throws Exception {
+        when(mTelephonyFeatureFlags.workProfileApiSplit()).thenReturn(true);
+        mComponentContextFixture.addConnectionService(makeQuickConnectionServiceComponentName(),
+                Mockito.mock(IConnectionService.class));
+
+        PhoneAccount accountForCurrent = makeQuickAccountBuilder("id_0", 0, UserHandle.CURRENT)
+                .setCapabilities(PhoneAccount.CAPABILITY_CONNECTION_MANAGER
+                        | PhoneAccount.CAPABILITY_CALL_PROVIDER).build();
+        PhoneAccount accountForAll = makeQuickAccountBuilder("id_0", 0, UserHandle.ALL)
+                .setCapabilities(PhoneAccount.CAPABILITY_CONNECTION_MANAGER
+                        | PhoneAccount.CAPABILITY_CALL_PROVIDER
+                        | PhoneAccount.CAPABILITY_MULTI_USER).build();
+        PhoneAccount accountForWorkProfile = makeQuickAccountBuilder("id_1", 1, USER_HANDLE_10)
+                .setCapabilities(PhoneAccount.CAPABILITY_CONNECTION_MANAGER
+                        | PhoneAccount.CAPABILITY_CALL_PROVIDER).build();
+
+        registerAndEnableAccount(accountForCurrent);
+        registerAndEnableAccount(accountForAll);
+        registerAndEnableAccount(accountForWorkProfile);
+
+        List<PhoneAccount> accountsForUser = mRegistrar.getPhoneAccounts(0, 0,
+                null, null, false, USER_HANDLE_10, false, false);
+        List<PhoneAccount> accountsVisibleUser = mRegistrar.getPhoneAccounts(0, 0,
+                null, null, false, USER_HANDLE_10, false, true);
+        List<PhoneAccount> accountsAcrossUser = mRegistrar.getPhoneAccounts(0, 0,
+                null, null, false, USER_HANDLE_10, true, false);
+
+        // Return the account exactly matching the user if it exists
+        assertEquals(1, accountsForUser.size());
+        assertTrue(accountsForUser.contains(accountForWorkProfile));
+        // The accounts visible to the user without across user permission
+        assertEquals(2, accountsVisibleUser.size());
+        assertTrue(accountsVisibleUser.containsAll(accountsForUser));
+        assertTrue(accountsVisibleUser.contains(accountForAll));
+        // The accounts visible to the user with across user permission
+        assertEquals(3, accountsAcrossUser.size());
+        assertTrue(accountsAcrossUser.containsAll(accountsVisibleUser));
+        assertTrue(accountsAcrossUser.contains(accountForCurrent));
+
+        mRegistrar.unregisterPhoneAccount(accountForWorkProfile.getAccountHandle());
+
+        accountsForUser = mRegistrar.getPhoneAccounts(0, 0,
+                null, null, false, USER_HANDLE_10, false, false);
+
+        // Return the account visible for the user if no account exactly matches the user
+        assertEquals(1, accountsForUser.size());
+        assertTrue(accountsForUser.contains(accountForAll));
+    }
+
     private static PhoneAccount.Builder makeBuilderWithBindCapabilities(PhoneAccountHandle handle) {
         return new PhoneAccount.Builder(handle, TEST_LABEL)
                 .setCapabilities(PhoneAccount.CAPABILITY_SUPPORTS_TRANSACTIONAL_OPERATIONS);
diff --git a/tests/src/com/android/server/telecom/tests/ProximitySensorManagerTest.java b/tests/src/com/android/server/telecom/tests/ProximitySensorManagerTest.java
index 807b7cf..310f4cb 100644
--- a/tests/src/com/android/server/telecom/tests/ProximitySensorManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/ProximitySensorManagerTest.java
@@ -16,8 +16,14 @@
 
 package com.android.server.telecom.tests;
 
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.os.PowerManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallsManager;
@@ -33,11 +39,6 @@
 
 import java.util.List;
 
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class ProximitySensorManagerTest extends TelecomTestCase{
 
diff --git a/tests/src/com/android/server/telecom/tests/RingbackPlayerTest.java b/tests/src/com/android/server/telecom/tests/RingbackPlayerTest.java
index 8de5e28..e8d39c8 100644
--- a/tests/src/com/android/server/telecom/tests/RingbackPlayerTest.java
+++ b/tests/src/com/android/server/telecom/tests/RingbackPlayerTest.java
@@ -17,12 +17,13 @@
 package com.android.server.telecom.tests;
 
 import static org.junit.Assert.assertFalse;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.when;
 
-import android.test.suitebuilder.annotation.SmallTest;
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallState;
@@ -49,7 +50,7 @@
     @Override
     public void setUp() throws Exception {
         super.setUp();
-        when(mFactory.createPlayer(anyInt())).thenReturn(mTonePlayer);
+        when(mFactory.createPlayer(any(Call.class), anyInt())).thenReturn(mTonePlayer);
         mRingbackPlayer = new RingbackPlayer(mFactory);
     }
 
diff --git a/tests/src/com/android/server/telecom/tests/RingerTest.java b/tests/src/com/android/server/telecom/tests/RingerTest.java
index 34360ca..a0ec267 100644
--- a/tests/src/com/android/server/telecom/tests/RingerTest.java
+++ b/tests/src/com/android/server/telecom/tests/RingerTest.java
@@ -16,8 +16,10 @@
 
 package com.android.server.telecom.tests;
 
+import static android.os.VibrationEffect.EFFECT_CLICK;
 import static android.provider.Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
@@ -30,6 +32,7 @@
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -51,9 +54,13 @@
 import android.os.VibrationAttributes;
 import android.os.VibrationEffect;
 import android.os.Vibrator;
+import android.os.VibratorInfo;
+import android.platform.test.flag.junit.CheckFlagsRule;
+import android.platform.test.flag.junit.DeviceFlagsValueProvider;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.AsyncRingtonePlayer;
 import com.android.server.telecom.Call;
@@ -63,33 +70,47 @@
 import com.android.server.telecom.Ringer;
 import com.android.server.telecom.RingtoneFactory;
 import com.android.server.telecom.SystemSettingsUtil;
+import com.android.server.telecom.flags.FeatureFlags;
 
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 import org.mockito.Mock;
 import org.mockito.Spy;
 
+import java.time.Duration;
 import java.util.concurrent.CompletableFuture;
 
 @RunWith(JUnit4.class)
 public class RingerTest extends TelecomTestCase {
+    @Rule
+    public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();
+
     private static final Uri FAKE_RINGTONE_URI = Uri.parse("content://media/fake/audio/1729");
     // Returned when the a URI-based VibrationEffect is attempted, to avoid depending on actual
     // device configuration for ringtone URIs. The actual Uri can be verified via the
     // VibrationEffectProxy mock invocation.
     private static final VibrationEffect URI_VIBRATION_EFFECT =
             VibrationEffect.createPredefined(VibrationEffect.EFFECT_CLICK);
+    private static final VibrationEffect EXPECTED_SIMPLE_VIBRATION_PATTERN =
+            VibrationEffect.createWaveform(
+                    new long[] {0, 1000, 1000}, new int[] {0, 255, 0}, 1);
+    private static final VibrationEffect EXPECTED_PULSE_VIBRATION_PATTERN =
+            VibrationEffect.createWaveform(
+                    Ringer.PULSE_PATTERN, Ringer.PULSE_AMPLITUDE, 5);
 
     @Mock InCallTonePlayer.Factory mockPlayerFactory;
     @Mock SystemSettingsUtil mockSystemSettingsUtil;
     @Mock RingtoneFactory mockRingtoneFactory;
     @Mock Vibrator mockVibrator;
+    @Mock VibratorInfo mockVibratorInfo;
     @Mock InCallController mockInCallController;
     @Mock NotificationManager mockNotificationManager;
     @Mock Ringer.AccessibilityManagerAdapter mockAccessibilityManagerAdapter;
+    @Mock private FeatureFlags mFeatureFlags;
 
     @Spy Ringer.VibrationEffectProxy spyVibrationEffectProxy;
 
@@ -111,21 +132,25 @@
     @Before
     public void setUp() throws Exception {
         super.setUp();
-        mContext = mComponentContextFixture.getTestDouble().getApplicationContext();
+        mContext = spy(mComponentContextFixture.getTestDouble().getApplicationContext());
+        when(mFeatureFlags.telecomResolveHiddenDependencies()).thenReturn(true);
         doReturn(URI_VIBRATION_EFFECT).when(spyVibrationEffectProxy).get(any(), any());
-        when(mockPlayerFactory.createPlayer(anyInt())).thenReturn(mockTonePlayer);
+        when(mockPlayerFactory.createPlayer(any(Call.class), anyInt())).thenReturn(mockTonePlayer);
         mockAudioManager = mContext.getSystemService(AudioManager.class);
         when(mockAudioManager.getRingerMode()).thenReturn(AudioManager.RINGER_MODE_NORMAL);
+        when(mockVibrator.getInfo()).thenReturn(mockVibratorInfo);
         when(mockSystemSettingsUtil.isHapticPlaybackSupported(any(Context.class)))
                 .thenAnswer((invocation) -> mIsHapticPlaybackSupported);
         mockNotificationManager =mContext.getSystemService(NotificationManager.class);
         when(mockTonePlayer.startTone()).thenReturn(true);
-        when(mockNotificationManager.matchesCallFilter(any(Bundle.class))).thenReturn(true);
+        when(mockNotificationManager.matchesCallFilter(any(Uri.class))).thenReturn(true);
         when(mockRingtoneFactory.hasHapticChannels(any(Ringtone.class))).thenReturn(false);
         when(mockCall1.getState()).thenReturn(CallState.RINGING);
         when(mockCall2.getState()).thenReturn(CallState.RINGING);
         when(mockCall1.getAssociatedUser()).thenReturn(PA_HANDLE.getUserHandle());
         when(mockCall2.getAssociatedUser()).thenReturn(PA_HANDLE.getUserHandle());
+        when(mockCall1.getTargetPhoneAccount()).thenReturn(PA_HANDLE);
+        when(mockCall2.getTargetPhoneAccount()).thenReturn(PA_HANDLE);
         // Set BT active state in tests to ensure that we do not end up blocking tests for 1 sec
         // waiting for BT to connect in unit tests by default.
         asyncRingtonePlayer.updateBtActiveState(true);
@@ -140,7 +165,8 @@
     private void createRingerUnderTest() {
         mRingerUnderTest = new Ringer(mockPlayerFactory, mContext, mockSystemSettingsUtil,
                 asyncRingtonePlayer, mockRingtoneFactory, mockVibrator, spyVibrationEffectProxy,
-                mockInCallController, mockNotificationManager, mockAccessibilityManagerAdapter);
+                mockInCallController, mockNotificationManager, mockAccessibilityManagerAdapter,
+                mFeatureFlags);
         // This future is used to wait for AsyncRingtonePlayer to finish its part.
         mRingerUnderTest.setBlockOnRingingFuture(mRingCompletionFuture);
     }
@@ -153,6 +179,151 @@
 
     @SmallTest
     @Test
+    public void testSimpleVibrationPrecedesValidSupportedDefaultRingVibrationOverride()
+            throws Exception {
+        when(mFeatureFlags.useDeviceProvidedSerializedRingerVibration()).thenReturn(true);
+        mockVibrationResourceValues(
+                """
+                    <vibration-effect>
+                        <predefined-effect name="click"/>
+                    </vibration-effect>
+                """,
+                /* useSimpleVibration= */ true);
+        when(mockVibratorInfo.areVibrationFeaturesSupported(any())).thenReturn(true);
+
+        createRingerUnderTest();
+
+        assertEquals(EXPECTED_SIMPLE_VIBRATION_PATTERN, mRingerUnderTest.mDefaultVibrationEffect);
+    }
+
+    @SmallTest
+    @Test
+    public void testDefaultRingVibrationOverrideNotUsedWhenFeatureIsDisabled()
+            throws Exception {
+        when(mFeatureFlags.useDeviceProvidedSerializedRingerVibration()).thenReturn(false);
+        mockVibrationResourceValues(
+                """
+                    <vibration-effect>
+                        <waveform-effect>
+                            <waveform-entry durationMs="100" amplitude="0"/>
+                            <repeating>
+                                <waveform-entry durationMs="500" amplitude="default"/>
+                                <waveform-entry durationMs="700" amplitude="0"/>
+                            </repeating>
+                        </waveform-effect>
+                    </vibration-effect>
+                """,
+                /* useSimpleVibration= */ false);
+        when(mockVibratorInfo.areVibrationFeaturesSupported(any())).thenReturn(true);
+
+        createRingerUnderTest();
+
+        assertEquals(EXPECTED_PULSE_VIBRATION_PATTERN, mRingerUnderTest.mDefaultVibrationEffect);
+    }
+
+    @SmallTest
+    @Test
+    public void testValidSupportedRepeatingDefaultRingVibrationOverride() throws Exception {
+        when(mFeatureFlags.useDeviceProvidedSerializedRingerVibration()).thenReturn(true);
+        mockVibrationResourceValues(
+                """
+                    <vibration-effect>
+                        <waveform-effect>
+                            <waveform-entry durationMs="100" amplitude="0"/>
+                            <repeating>
+                                <waveform-entry durationMs="500" amplitude="default"/>
+                                <waveform-entry durationMs="700" amplitude="0"/>
+                            </repeating>
+                        </waveform-effect>
+                    </vibration-effect>
+                """,
+                /* useSimpleVibration= */ false);
+        when(mockVibratorInfo.areVibrationFeaturesSupported(any())).thenReturn(true);
+
+        createRingerUnderTest();
+
+        assertEquals(
+                VibrationEffect.createWaveform(new long[]{100, 500, 700}, /* repeat= */ 1),
+                mRingerUnderTest.mDefaultVibrationEffect);
+    }
+
+    @SmallTest
+    @Test
+    public void testValidSupportedNonRepeatingDefaultRingVibrationOverride() throws Exception {
+        when(mFeatureFlags.useDeviceProvidedSerializedRingerVibration()).thenReturn(true);
+        mockVibrationResourceValues(
+                """
+                    <vibration-effect>
+                        <predefined-effect name="click"/>
+                    </vibration-effect>
+                """,
+                /* useSimpleVibration= */ false);
+        when(mockVibratorInfo.areVibrationFeaturesSupported(any())).thenReturn(true);
+
+        createRingerUnderTest();
+
+        assertEquals(
+                VibrationEffect
+                        .startComposition()
+                        .repeatEffectIndefinitely(
+                                VibrationEffect
+                                        .startComposition()
+                                        .addEffect(VibrationEffect.createPredefined(EFFECT_CLICK))
+                                        .addOffDuration(Duration.ofSeconds(1))
+                                        .compose()
+                        )
+                        .compose(),
+                mRingerUnderTest.mDefaultVibrationEffect);
+    }
+
+    @SmallTest
+    @Test
+    public void testValidButUnsupportedDefaultRingVibrationOverride() throws Exception {
+        when(mFeatureFlags.useDeviceProvidedSerializedRingerVibration()).thenReturn(true);
+        mockVibrationResourceValues(
+                """
+                    <vibration-effect>
+                        <predefined-effect name="click"/>
+                    </vibration-effect>
+                """,
+                /* useSimpleVibration= */ false);
+        when(mockVibratorInfo.areVibrationFeaturesSupported(
+                eq(VibrationEffect.createPredefined(EFFECT_CLICK)))).thenReturn(false);
+
+        createRingerUnderTest();
+
+        assertEquals(EXPECTED_SIMPLE_VIBRATION_PATTERN, mRingerUnderTest.mDefaultVibrationEffect);
+    }
+
+    @SmallTest
+    @Test
+    public void testInvalidDefaultRingVibrationOverride() throws Exception {
+        when(mFeatureFlags.useDeviceProvidedSerializedRingerVibration()).thenReturn(true);
+        mockVibrationResourceValues(
+                /* defaultVibrationContent= */ "bad serialization",
+                /* useSimpleVibration= */ false);
+        when(mockVibratorInfo.areVibrationFeaturesSupported(any())).thenReturn(true);
+
+        createRingerUnderTest();
+
+        assertEquals(EXPECTED_SIMPLE_VIBRATION_PATTERN, mRingerUnderTest.mDefaultVibrationEffect);
+    }
+
+    @SmallTest
+    @Test
+    public void testEmptyDefaultRingVibrationOverride() throws Exception {
+        when(mFeatureFlags.useDeviceProvidedSerializedRingerVibration()).thenReturn(true);
+        mockVibrationResourceValues(
+                /* defaultVibrationContent= */ "", /* useSimpleVibration= */ false);
+        when(mockVibratorInfo.areVibrationFeaturesSupported(any())).thenReturn(true);
+
+        createRingerUnderTest();
+
+        assertEquals(EXPECTED_SIMPLE_VIBRATION_PATTERN, mRingerUnderTest.mDefaultVibrationEffect);
+    }
+
+    @SmallTest
+    @Test
     public void testNoActionInTheaterMode() throws Exception {
         // Start call waiting to make sure that it doesn't stop when we start ringing
         mRingerUnderTest.startCallWaiting(mockCall1);
@@ -231,7 +402,7 @@
     @SmallTest
     @Test
     public void testCallWaitingButNoRingForSpecificContacts() throws Exception {
-        when(mockNotificationManager.matchesCallFilter(any(Bundle.class))).thenReturn(false);
+        when(mockNotificationManager.matchesCallFilter(any(Uri.class))).thenReturn(false);
         // Start call waiting to make sure that it does stop when we start ringing
         mRingerUnderTest.startCallWaiting(mockCall1);
         verify(mockTonePlayer).startTone();
@@ -492,7 +663,7 @@
         when(mContext.getSystemService(NotificationManager.class)).thenReturn(
                 mockNotificationManager);
         // suppress the call
-        when(mockNotificationManager.matchesCallFilter(any(Bundle.class))).thenReturn(false);
+        when(mockNotificationManager.matchesCallFilter(any(Uri.class))).thenReturn(false);
 
         // run the method under test
         assertFalse(mRingerUnderTest.shouldRingForContact(mockCall1));
@@ -501,7 +672,7 @@
         // verify we never set the call object and matchesCallFilter is called
         verify(mockCall1, never()).setCallIsSuppressedByDoNotDisturb(true);
         verify(mockNotificationManager, times(1))
-                .matchesCallFilter(any(Bundle.class));
+                .matchesCallFilter(any(Uri.class));
     }
 
     /**
@@ -514,7 +685,6 @@
         when(mockCall1.wasDndCheckComputedForCall()).thenReturn(false);
         when(mockCall1.getHandle()).thenReturn(Uri.parse(""));
         // alert the user of the call
-        when(mockNotificationManager.matchesCallFilter(any(Bundle.class))).thenReturn(true);
 
         // run the method under test
         assertTrue(mRingerUnderTest.shouldRingForContact(mockCall1));
@@ -523,7 +693,7 @@
         // verify we never set the call object and matchesCallFilter is called
         verify(mockCall1, never()).setCallIsSuppressedByDoNotDisturb(false);
         verify(mockNotificationManager, times(1))
-                .matchesCallFilter(any(Bundle.class));
+                .matchesCallFilter(any(Uri.class));
     }
 
     /**
@@ -539,7 +709,7 @@
         // THEN
         assertFalse(mRingerUnderTest.shouldRingForContact(mockCall1));
         verify(mockCall1, never()).setCallIsSuppressedByDoNotDisturb(false);
-        verify(mockNotificationManager, never()).matchesCallFilter(any(Bundle.class));
+        verify(mockNotificationManager, never()).matchesCallFilter(any(Uri.class));
     }
 
     @Test
@@ -549,7 +719,7 @@
         mRingerUnderTest.startCallWaiting(mockCall1);
         when(mockCall2.wasDndCheckComputedForCall()).thenReturn(false);
         when(mockCall2.getHandle()).thenReturn(Uri.parse(""));
-        when(mockNotificationManager.matchesCallFilter(any(Bundle.class))).thenReturn(false);
+        when(mockNotificationManager.matchesCallFilter(any(Uri.class))).thenReturn(false);
 
         assertFalse(mRingerUnderTest.shouldRingForContact(mockCall2));
         assertFalse(startRingingAndWaitForAsync(mockCall2, false));
@@ -564,7 +734,6 @@
         mRingerUnderTest.startCallWaiting(mockCall1);
         when(mockCall2.wasDndCheckComputedForCall()).thenReturn(false);
         when(mockCall2.getHandle()).thenReturn(Uri.parse(""));
-        when(mockNotificationManager.matchesCallFilter(any(Bundle.class))).thenReturn(true);
 
         assertTrue(mRingerUnderTest.shouldRingForContact(mockCall2));
         assertTrue(startRingingAndWaitForAsync(mockCall2, false));
@@ -591,7 +760,6 @@
         mRingerUnderTest.startCallWaiting(mockCall1);
         when(mockCall2.wasDndCheckComputedForCall()).thenReturn(false);
         when(mockCall2.getHandle()).thenReturn(Uri.parse(""));
-        when(mockNotificationManager.matchesCallFilter(any(Bundle.class))).thenReturn(true);
 
         assertTrue(mRingerUnderTest.shouldRingForContact(mockCall2));
         assertTrue(mRingerUnderTest.startRinging(mockCall2, false));
@@ -670,4 +838,13 @@
         when(mockRingtoneFactory.getHapticOnlyRingtone()).thenReturn(mockRingtone);
         return mockRingtone;
     }
+
+    private void mockVibrationResourceValues(
+            String defaultVibrationContent, boolean useSimpleVibration) {
+        mComponentContextFixture.putRawResource(
+                com.android.internal.R.raw.default_ringtone_vibration_effect,
+                defaultVibrationContent);
+        mComponentContextFixture.putBooleanResource(
+                R.bool.use_simple_vibration_pattern, useSimpleVibration);
+    }
 }
diff --git a/tests/src/com/android/server/telecom/tests/SessionManagerTest.java b/tests/src/com/android/server/telecom/tests/SessionManagerTest.java
index cf84b7c..3e82eac 100644
--- a/tests/src/com/android/server/telecom/tests/SessionManagerTest.java
+++ b/tests/src/com/android/server/telecom/tests/SessionManagerTest.java
@@ -24,7 +24,8 @@
 
 import android.telecom.Logging.Session;
 import android.telecom.Logging.SessionManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/tests/src/com/android/server/telecom/tests/SessionTest.java b/tests/src/com/android/server/telecom/tests/SessionTest.java
index f38618c..5378596 100644
--- a/tests/src/com/android/server/telecom/tests/SessionTest.java
+++ b/tests/src/com/android/server/telecom/tests/SessionTest.java
@@ -20,7 +20,8 @@
 
 import android.telecom.Log;
 import android.telecom.Logging.Session;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/tests/src/com/android/server/telecom/tests/SystemStateHelperTest.java b/tests/src/com/android/server/telecom/tests/SystemStateHelperTest.java
index dc7d1fd..169d580 100644
--- a/tests/src/com/android/server/telecom/tests/SystemStateHelperTest.java
+++ b/tests/src/com/android/server/telecom/tests/SystemStateHelperTest.java
@@ -24,7 +24,7 @@
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.isNull;
-import static org.mockito.Matchers.any;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doReturn;
@@ -44,7 +44,8 @@
 import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
 import android.net.Uri;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.SystemStateHelper;
 import com.android.server.telecom.SystemStateHelper.SystemStateListener;
diff --git a/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java b/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
index 8bc1f2a..bb6dce0 100644
--- a/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
+++ b/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
@@ -23,6 +23,36 @@
 import static android.Manifest.permission.READ_PHONE_NUMBERS;
 import static android.Manifest.permission.READ_PHONE_STATE;
 import static android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE;
+import static android.Manifest.permission.READ_SMS;
+import static android.Manifest.permission.REGISTER_SIM_SUBSCRIPTION;
+import static android.Manifest.permission.WRITE_SECURE_SETTINGS;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.nullable;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.argThat;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.isNull;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.isA;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import android.Manifest;
 import android.app.ActivityManager;
@@ -48,7 +78,8 @@
 import android.telecom.TelecomManager;
 import android.telecom.VideoProfile;
 import android.telephony.TelephonyManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.telecom.ICallEventCallback;
 import com.android.internal.telecom.ITelecomService;
@@ -58,11 +89,13 @@
 import com.android.server.telecom.CallState;
 import com.android.server.telecom.CallsManager;
 import com.android.server.telecom.DefaultDialerCache;
+import com.android.server.telecom.InCallController;
 import com.android.server.telecom.PhoneAccountRegistrar;
 import com.android.server.telecom.TelecomServiceImpl;
 import com.android.server.telecom.TelecomSystem;
 import com.android.server.telecom.components.UserCallIntentProcessor;
 import com.android.server.telecom.components.UserCallIntentProcessorFactory;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.voip.IncomingCallTransaction;
 import com.android.server.telecom.voip.OutgoingCallTransaction;
 import com.android.server.telecom.voip.TransactionManager;
@@ -76,40 +109,12 @@
 import org.mockito.ArgumentMatcher;
 import org.mockito.Mock;
 
+import java.lang.reflect.Method;
 import java.util.Collection;
 import java.util.List;
 import java.util.concurrent.Executor;
 import java.util.function.IntConsumer;
 
-import static android.Manifest.permission.READ_SMS;
-import static android.Manifest.permission.REGISTER_SIM_SUBSCRIPTION;
-import static android.Manifest.permission.WRITE_SECURE_SETTINGS;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertThrows;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyBoolean;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.argThat;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.isNull;
-import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.doThrow;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.isA;
-import static org.mockito.Mockito.when;
-
 @RunWith(JUnit4.class)
 public class TelecomServiceImplTest extends TelecomTestCase {
 
@@ -122,7 +127,7 @@
     public static class CallIntentProcessAdapterFake implements CallIntentProcessor.Adapter {
         @Override
         public void processOutgoingCallIntent(Context context, CallsManager callsManager,
-                Intent intent, String callingPackage) {
+                Intent intent, String callingPackage, FeatureFlags flags) {
 
         }
 
@@ -192,6 +197,10 @@
     @Mock private ICallEventCallback mICallEventCallback;
     @Mock private TransactionManager mTransactionManager;
     @Mock private AnomalyReporterAdapter mAnomalyReporterAdapter;
+    @Mock private FeatureFlags mFeatureFlags;
+    @Mock private com.android.internal.telephony.flags.FeatureFlags mTelephonyFeatureFlags;
+
+    @Mock private InCallController mInCallController;
 
     private final TelecomSystem.SyncRoot mLock = new TelecomSystem.SyncRoot() { };
 
@@ -219,6 +228,7 @@
 
         doReturn(mContext).when(mContext).getApplicationContext();
         doReturn(mContext).when(mContext).createContextAsUser(any(UserHandle.class), anyInt());
+        when(mFakeCallsManager.getInCallController()).thenReturn(mInCallController);
         doNothing().when(mContext).sendBroadcastAsUser(any(Intent.class), any(UserHandle.class),
                 anyString());
         when(mContext.checkCallingOrSelfPermission(Manifest.permission.INTERACT_ACROSS_USERS))
@@ -242,6 +252,8 @@
                 mDefaultDialerCache,
                 mSubscriptionManagerAdapter,
                 mSettingsSecureAdapter,
+                mFeatureFlags,
+                mTelephonyFeatureFlags,
                 mLock);
         telecomServiceImpl.setTransactionManager(mTransactionManager);
         telecomServiceImpl.setAnomalyReporterAdapter(mAnomalyReporterAdapter);
@@ -260,6 +272,8 @@
 
         mPackageManager = mContext.getPackageManager();
         when(mPackageManager.getPackageUid(anyString(), eq(0))).thenReturn(Binder.getCallingUid());
+        when(mFeatureFlags.earlyBindingToIncallService()).thenReturn(true);
+        when(mTelephonyFeatureFlags.workProfileApiSplit()).thenReturn(false);
     }
 
     @Override
@@ -525,10 +539,64 @@
 
         assertEquals(fullPHList,
                 mTSIBinder.getCallCapablePhoneAccounts(
-                        true, DEFAULT_DIALER_PACKAGE, null).getList());
+                        true, DEFAULT_DIALER_PACKAGE, null, false).getList());
         assertEquals(smallPHList,
                 mTSIBinder.getCallCapablePhoneAccounts(
-                        false, DEFAULT_DIALER_PACKAGE, null).getList());
+                        false, DEFAULT_DIALER_PACKAGE, null, false).getList());
+    }
+
+    @SmallTest
+    @Test
+    public void testGetCallCapablePhoneAccountsAcrossProfiles() throws RemoteException {
+        List<PhoneAccountHandle> fullPHList = List.of(TEL_PA_HANDLE_16, SIP_PA_HANDLE_17);
+        List<PhoneAccountHandle> smallPHList = List.of(SIP_PA_HANDLE_17);
+
+        // Returns all accounts when getCallCapablePhoneAccounts is called with across user.
+        doReturn(fullPHList).when(mFakePhoneAccountRegistrar).getCallCapablePhoneAccounts(
+                nullable(String.class), anyBoolean(), nullable(UserHandle.class), eq(true));
+        // Returns one account when getCallCapablePhoneAccounts is called without across user.
+        doReturn(smallPHList).when(mFakePhoneAccountRegistrar).getCallCapablePhoneAccounts(
+                nullable(String.class), anyBoolean(), nullable(UserHandle.class), eq(false));
+        // With across user permission
+        doReturn(PackageManager.PERMISSION_GRANTED).when(mContext).checkCallingOrSelfPermission(
+                eq(Manifest.permission.INTERACT_ACROSS_USERS));
+
+        assertEquals(fullPHList,
+                mTSIBinder.getCallCapablePhoneAccounts(
+                        true, DEFAULT_DIALER_PACKAGE, null, false).getList());
+
+        // Without across user permission
+        doReturn(PackageManager.PERMISSION_DENIED).when(mContext).checkCallingOrSelfPermission(
+                eq(Manifest.permission.INTERACT_ACROSS_USERS));
+
+        assertEquals(smallPHList,
+                mTSIBinder.getCallCapablePhoneAccounts(
+                        true, DEFAULT_DIALER_PACKAGE, null, false).getList());
+
+        // Enabled the feature flag of the work profile split mode
+        when(mTelephonyFeatureFlags.workProfileApiSplit()).thenReturn(true);
+
+        // With across user permission
+        doReturn(PackageManager.PERMISSION_GRANTED).when(mContext).checkCallingOrSelfPermission(
+                eq(Manifest.permission.INTERACT_ACROSS_PROFILES));
+
+        assertEquals(fullPHList,
+                mTSIBinder.getCallCapablePhoneAccounts(
+                        true, DEFAULT_DIALER_PACKAGE, null, true).getList());
+        assertEquals(smallPHList,
+                mTSIBinder.getCallCapablePhoneAccounts(
+                        true, DEFAULT_DIALER_PACKAGE, null, false).getList());
+
+        // Without across user permission
+        doReturn(PackageManager.PERMISSION_DENIED).when(mContext).checkCallingOrSelfPermission(
+                eq(Manifest.permission.INTERACT_ACROSS_PROFILES));
+
+        assertEquals(smallPHList,
+                mTSIBinder.getCallCapablePhoneAccounts(
+                        true, DEFAULT_DIALER_PACKAGE, null, true).getList());
+        assertEquals(smallPHList,
+                mTSIBinder.getCallCapablePhoneAccounts(
+                        true, DEFAULT_DIALER_PACKAGE, null, false).getList());
     }
 
     @SmallTest
@@ -540,7 +608,7 @@
                 argThat(new AnyStringIn(enforcedPermissions)), anyString());
 
         assertThrows(SecurityException.class,
-                () -> mTSIBinder.getCallCapablePhoneAccounts(true, "", null));
+                () -> mTSIBinder.getCallCapablePhoneAccounts(true, "", null, false));
     }
 
     @SmallTest
@@ -1040,6 +1108,7 @@
 
         verify(mFakePhoneAccountRegistrar).getPhoneAccount(
                 TEL_PA_HANDLE_16, TEL_PA_HANDLE_16.getUserHandle());
+        verify(mInCallController, never()).bindToServices(any());
         addCallTestHelper(TelecomManager.ACTION_INCOMING_CALL,
                 CallIntentProcessor.KEY_IS_INCOMING_CALL, extras,
                 TEL_PA_HANDLE_16, false);
@@ -1047,6 +1116,81 @@
 
     @SmallTest
     @Test
+    public void testAddNewIncomingFlagDisabledNoEarlyBinding() throws Exception {
+        when(mFeatureFlags.earlyBindingToIncallService()).thenReturn(false);
+        PhoneAccount phoneAccount = makeSkipCallFilteringPhoneAccount(TEL_PA_HANDLE_16).build();
+        phoneAccount.setIsEnabled(true);
+        doReturn(phoneAccount).when(mFakePhoneAccountRegistrar).getPhoneAccount(
+                eq(TEL_PA_HANDLE_16), any(UserHandle.class));
+        doReturn(phoneAccount).when(mFakePhoneAccountRegistrar).getPhoneAccountUnchecked(
+                eq(TEL_PA_HANDLE_16));
+        doNothing().when(mAppOpsManager).checkPackage(anyInt(), anyString());
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_WATCH)).thenReturn(true);
+        Bundle extras = createSampleExtras();
+
+        mTSIBinder.addNewIncomingCall(TEL_PA_HANDLE_16, extras, CALLING_PACKAGE);
+
+        verify(mInCallController, never()).bindToServices(null);
+    }
+
+    @SmallTest
+    @Test
+    public void testAddNewIncomingCallEarlyBindingForNoCallFilterCalls() throws Exception {
+        PhoneAccount phoneAccount = makeSkipCallFilteringPhoneAccount(TEL_PA_HANDLE_16).build();
+        phoneAccount.setIsEnabled(true);
+        doReturn(phoneAccount).when(mFakePhoneAccountRegistrar).getPhoneAccount(
+                eq(TEL_PA_HANDLE_16), any(UserHandle.class));
+        doReturn(phoneAccount).when(mFakePhoneAccountRegistrar).getPhoneAccountUnchecked(
+                eq(TEL_PA_HANDLE_16));
+        doNothing().when(mAppOpsManager).checkPackage(anyInt(), anyString());
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_WATCH)).thenReturn(true);
+        Bundle extras = createSampleExtras();
+
+        mTSIBinder.addNewIncomingCall(TEL_PA_HANDLE_16, extras, CALLING_PACKAGE);
+
+        verify(mInCallController).bindToServices(null);
+    }
+
+    @SmallTest
+    @Test
+    public void testAddNewIncomingCallEarlyBindingNotEnableForNonWatchDevices() throws Exception {
+        PhoneAccount phoneAccount = makeSkipCallFilteringPhoneAccount(TEL_PA_HANDLE_16).build();
+        phoneAccount.setIsEnabled(true);
+        doReturn(phoneAccount).when(mFakePhoneAccountRegistrar).getPhoneAccount(
+                eq(TEL_PA_HANDLE_16), any(UserHandle.class));
+        doReturn(phoneAccount).when(mFakePhoneAccountRegistrar).getPhoneAccountUnchecked(
+                eq(TEL_PA_HANDLE_16));
+        doNothing().when(mAppOpsManager).checkPackage(anyInt(), anyString());
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_WATCH)).thenReturn(false);
+        Bundle extras = createSampleExtras();
+
+        mTSIBinder.addNewIncomingCall(TEL_PA_HANDLE_16, extras, CALLING_PACKAGE);
+
+        verify(mInCallController, never()).bindToServices(null);
+    }
+
+    @SmallTest
+    @Test
+    public void testAddNewIncomingCallEarlyBindingNotEnableForPhoneAccountHasCallFilters()
+            throws Exception {
+        PhoneAccount phoneAccount = makePhoneAccount(TEL_PA_HANDLE_16).build();
+        phoneAccount.setIsEnabled(true);
+        doReturn(phoneAccount).when(mFakePhoneAccountRegistrar).getPhoneAccount(
+                eq(TEL_PA_HANDLE_16), any(UserHandle.class));
+        doReturn(phoneAccount).when(mFakePhoneAccountRegistrar).getPhoneAccountUnchecked(
+                eq(TEL_PA_HANDLE_16));
+        doNothing().when(mAppOpsManager).checkPackage(anyInt(), anyString());
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_WATCH)).thenReturn(true);
+        Bundle extras = createSampleExtras();
+
+        mTSIBinder.addNewIncomingCall(TEL_PA_HANDLE_16, extras, CALLING_PACKAGE);
+
+        verify(mInCallController, never()).bindToServices(null);
+    }
+
+
+    @SmallTest
+    @Test
     public void testAddNewIncomingCallFailure() throws Exception {
         try {
             mTSIBinder.addNewIncomingCall(TEL_PA_HANDLE_16, null, CALLING_PACKAGE);
@@ -1703,6 +1847,28 @@
         verify(mContext, never()).sendBroadcastAsUser(any(Intent.class), any(UserHandle.class));
     }
 
+    /**
+     * FeatureFlags is autogenerated code, so there could be a situation where something changes
+     * outside of Telecom control that breaks reflection. This test attempts to ensure that changes
+     * to auto-generated FeatureFlags code that breaks reflection are caught early.
+     */
+    @SmallTest
+    @Test
+    public void testFlagConfigReflectionWorks() {
+        try {
+            Method[] methods = FeatureFlags.class.getMethods();
+            for (Method m : methods) {
+                // test getting the name and invoking the flag code
+                String name = m.getName();
+                Object val = m.invoke(mFeatureFlags);
+                assertNotNull(name);
+                assertNotNull(val);
+            }
+        } catch (Exception e) {
+            fail("Reflection failed for FeatureFlags with error: " + e);
+        }
+    }
+
     @SmallTest
     @Test
     public void testIsVoicemailNumber() throws Exception {
@@ -2144,6 +2310,12 @@
         return new PhoneAccount.Builder(paHandle, "testLabel");
     }
 
+    private PhoneAccount.Builder makeSkipCallFilteringPhoneAccount(PhoneAccountHandle paHandle) {
+        Bundle extras = new Bundle();
+        extras.putBoolean(PhoneAccount.EXTRA_SKIP_CALL_FILTERING, true);
+        return new PhoneAccount.Builder(paHandle, "testLabel").setExtras(extras);
+    }
+
     private Bundle createSampleExtras() {
         Bundle extras = new Bundle();
         extras.putString("test_key", "test_value");
diff --git a/tests/src/com/android/server/telecom/tests/TelecomSystemTest.java b/tests/src/com/android/server/telecom/tests/TelecomSystemTest.java
index ed96d74..b7de84f 100644
--- a/tests/src/com/android/server/telecom/tests/TelecomSystemTest.java
+++ b/tests/src/com/android/server/telecom/tests/TelecomSystemTest.java
@@ -22,11 +22,11 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyBoolean;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.doReturn;
@@ -38,6 +38,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.annotation.Nullable;
 import android.app.AppOpsManager;
 import android.bluetooth.BluetoothManager;
 import android.content.BroadcastReceiver;
@@ -99,6 +100,7 @@
 import com.android.server.telecom.bluetooth.BluetoothRouteManager;
 import com.android.server.telecom.callfiltering.BlockedNumbersAdapter;
 import com.android.server.telecom.components.UserCallIntentProcessor;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.ui.IncomingCallNotifier;
 
 import com.google.common.base.Predicate;
@@ -120,7 +122,7 @@
 /**
  * Implements mocks and functionality required to implement telecom system tests.
  */
-public class TelecomSystemTest extends TelecomTestCase {
+public class TelecomSystemTest extends TelecomTestCase{
 
     private static final String CALLING_PACKAGE = TelecomSystemTest.class.getPackageName();
     static final int TEST_POLL_INTERVAL = 10;  // milliseconds
@@ -168,7 +170,7 @@
         }
 
         @Override
-        public void showMissedCallNotification(CallInfo call) {
+        public void showMissedCallNotification(CallInfo call, @Nullable Uri uri) {
             missedCallsNotified.add(call);
         }
 
@@ -217,6 +219,8 @@
     BlockedNumbersAdapter mBlockedNumbersAdapter;
     @Mock
     CallAudioCommunicationDeviceTracker mCommunicationDeviceTracker;
+    @Mock
+    FeatureFlags mFeatureFlags;
 
     final ComponentName mInCallServiceComponentNameX =
             new ComponentName(
@@ -323,6 +327,20 @@
                                     PhoneAccount.CAPABILITY_PLACE_EMERGENCY_CALLS)
                     .build();
 
+    final PhoneAccount mPhoneAccountMultiUser =
+            PhoneAccount.builder(
+                            new PhoneAccountHandle(
+                                    mConnectionServiceComponentNameA,
+                                    "id MU", UserHandle.of(12)),
+                            "Phone account service MU")
+                    .addSupportedUriScheme("tel")
+                    .setCapabilities(
+                            PhoneAccount.CAPABILITY_CALL_PROVIDER |
+                                    PhoneAccount.CAPABILITY_SIM_SUBSCRIPTION |
+                                    PhoneAccount.CAPABILITY_VIDEO_CALLING |
+                                    PhoneAccount.CAPABILITY_MULTI_USER)
+                    .build();
+
     ConnectionServiceFixture mConnectionServiceFixtureA;
     ConnectionServiceFixture mConnectionServiceFixtureB;
     Timeouts.Adapter mTimeoutsAdapter;
@@ -496,9 +514,11 @@
         when(mRoleManagerAdapter.getCallCompanionApps()).thenReturn(Collections.emptyList());
         when(mRoleManagerAdapter.getDefaultCallScreeningApp(any(UserHandle.class)))
                 .thenReturn(null);
+        when(mFeatureFlags.useRefactoredAudioRouteSwitching()).thenReturn(false);
         mTelecomSystem = new TelecomSystem(
                 mComponentContextFixture.getTestDouble(),
-                (context, phoneAccountRegistrar, defaultDialerCache, mDeviceIdleControllerAdapter)
+                (context, phoneAccountRegistrar, defaultDialerCache, mDeviceIdleControllerAdapter,
+                        mFeatureFlag)
                         -> mMissedCallNotifier,
                 mCallerInfoAsyncQueryFactoryFixture.getTestDouble(),
                 headsetMediaButtonFactory,
@@ -522,7 +542,8 @@
                             CallAudioManager.AudioServiceFactory audioServiceFactory,
                             int earpieceControl,
                             Executor asyncTaskExecutor,
-                            CallAudioCommunicationDeviceTracker communicationDeviceTracker) {
+                            CallAudioCommunicationDeviceTracker communicationDeviceTracker,
+                            FeatureFlags featureFlags) {
                         return new CallAudioRouteStateMachine(context,
                                 callsManager,
                                 bluetoothManager,
@@ -533,15 +554,19 @@
                                 CallAudioRouteStateMachine.EARPIECE_FORCE_ENABLED,
                                 mHandlerThread.getLooper(),
                                 Runnable::run /* async tasks as now sync for testing! */,
-                                communicationDeviceTracker);
+                                communicationDeviceTracker,
+                                featureFlags);
                     }
                 },
                 new CallAudioModeStateMachine.Factory() {
                     @Override
                     public CallAudioModeStateMachine create(SystemStateHelper systemStateHelper,
-                            AudioManager am) {
+                            AudioManager am, FeatureFlags featureFlags,
+                            CallAudioCommunicationDeviceTracker callAudioCommunicationDeviceTracker
+                    ) {
                         return new CallAudioModeStateMachine(systemStateHelper, am,
-                                mHandlerThread.getLooper());
+                                mHandlerThread.getLooper(), featureFlags,
+                                callAudioCommunicationDeviceTracker);
                     }
                 },
                 mClockProxy,
@@ -555,7 +580,8 @@
                 }, mDeviceIdleControllerAdapter, mAccessibilityManagerAdapter,
                 Runnable::run,
                 Runnable::run,
-                mBlockedNumbersAdapter);
+                mBlockedNumbersAdapter,
+                mFeatureFlags);
 
         mComponentContextFixture.setTelecomManager(new TelecomManager(
                 mComponentContextFixture.getTestDouble(),
@@ -589,6 +615,7 @@
         mTelecomSystem.getPhoneAccountRegistrar().registerPhoneAccount(mPhoneAccountB0);
         mTelecomSystem.getPhoneAccountRegistrar().registerPhoneAccount(mPhoneAccountE0);
         mTelecomSystem.getPhoneAccountRegistrar().registerPhoneAccount(mPhoneAccountE1);
+        mTelecomSystem.getPhoneAccountRegistrar().registerPhoneAccount(mPhoneAccountMultiUser);
 
         mTelecomSystem.getPhoneAccountRegistrar().setUserSelectedOutgoingPhoneAccount(
                 mPhoneAccountA0.getAccountHandle(), Process.myUserHandle());
diff --git a/tests/src/com/android/server/telecom/tests/TelecomTestCase.java b/tests/src/com/android/server/telecom/tests/TelecomTestCase.java
index 5353bc6..e8389a0 100644
--- a/tests/src/com/android/server/telecom/tests/TelecomTestCase.java
+++ b/tests/src/com/android/server/telecom/tests/TelecomTestCase.java
@@ -22,6 +22,9 @@
 
 import androidx.test.InstrumentationRegistry;
 
+import com.android.server.telecom.flags.FeatureFlags;
+
+import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
@@ -33,6 +36,8 @@
 public abstract class TelecomTestCase {
     protected static final String TESTING_TAG = "Telecom-TEST";
     protected Context mContext;
+    @Mock
+    FeatureFlags mFeatureFlags;
 
     MockitoHelper mMockitoHelper = new MockitoHelper();
     ComponentContextFixture mComponentContextFixture;
@@ -42,11 +47,12 @@
         Log.setIsExtendedLoggingEnabled(true);
         Log.setUnitTestingEnabled(true);
         mMockitoHelper.setUp(InstrumentationRegistry.getContext(), getClass());
-        mComponentContextFixture = new ComponentContextFixture();
+        MockitoAnnotations.initMocks(this);
+
+        mComponentContextFixture = new ComponentContextFixture(mFeatureFlags);
         mContext = mComponentContextFixture.getTestDouble().getApplicationContext();
         Log.setSessionContext(mComponentContextFixture.getTestDouble().getApplicationContext());
         Log.getSessionManager().mCleanStaleSessions = null;
-        MockitoAnnotations.initMocks(this);
     }
 
     public void tearDown() throws Exception {
diff --git a/tests/src/com/android/server/telecom/tests/TransactionTests.java b/tests/src/com/android/server/telecom/tests/TransactionTests.java
index 3fc87a9..e58c6c4 100644
--- a/tests/src/com/android/server/telecom/tests/TransactionTests.java
+++ b/tests/src/com/android/server/telecom/tests/TransactionTests.java
@@ -16,7 +16,11 @@
 
 package com.android.server.telecom.tests;
 
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -39,11 +43,15 @@
 import android.telecom.DisconnectCause;
 import android.telecom.PhoneAccountHandle;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallState;
 import com.android.server.telecom.CallerInfoLookupHelper;
 import com.android.server.telecom.CallsManager;
 import com.android.server.telecom.ClockProxy;
+import com.android.server.telecom.ConnectionServiceWrapper;
+import com.android.server.telecom.flags.FeatureFlags;
 import com.android.server.telecom.PhoneNumberUtilsAdapter;
 import com.android.server.telecom.TelecomSystem;
 import com.android.server.telecom.ui.ToastFactory;
@@ -53,6 +61,8 @@
 import com.android.server.telecom.voip.OutgoingCallTransaction;
 import com.android.server.telecom.voip.MaybeHoldCallForNewCallTransaction;
 import com.android.server.telecom.voip.RequestNewActiveCallTransaction;
+import com.android.server.telecom.voip.VerifyCallStateChangeTransaction;
+import com.android.server.telecom.voip.VoipCallTransactionResult;
 
 import org.junit.After;
 import org.junit.Before;
@@ -62,6 +72,11 @@
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
 
 public class TransactionTests extends TelecomTestCase {
 
@@ -250,6 +265,65 @@
                         isA(Boolean.class));
     }
 
+    /**
+     * This test verifies if the ConnectionService call is NOT transitioned to the desired call
+     * state (within timeout period), Telecom will disconnect the call.
+     */
+    @SmallTest
+    @Test
+    public void testCallStateChangeTimesOut()
+            throws ExecutionException, InterruptedException, TimeoutException {
+        when(mFeatureFlags.transactionalCsVerifier()).thenReturn(true);
+        VerifyCallStateChangeTransaction t = new VerifyCallStateChangeTransaction(mCallsManager,
+                mMockCall1, CallState.ON_HOLD, true);
+        // WHEN
+        setupHoldableCall();
+
+        // simulate the transaction being processed and the CompletableFuture timing out
+        t.processTransaction(null);
+        CompletableFuture<Integer> timeoutFuture = t.getCallStateOrTimeoutResult();
+        timeoutFuture.complete(VerifyCallStateChangeTransaction.FAILURE_CODE);
+
+        // THEN
+        verify(mMockCall1, times(1)).addCallStateListener(t.getCallStateListenerImpl());
+        assertEquals(timeoutFuture.get().intValue(), VerifyCallStateChangeTransaction.FAILURE_CODE);
+        assertEquals(VoipCallTransactionResult.RESULT_FAILED,
+                t.getTransactionResult().get(2, TimeUnit.SECONDS).getResult());
+        verify(mMockCall1, atLeastOnce()).removeCallStateListener(any());
+        verify(mCallsManager, times(1)).markCallAsDisconnected(eq(mMockCall1), any());
+        verify(mCallsManager, times(1)).markCallAsRemoved(eq(mMockCall1));
+    }
+
+    /**
+     * This test verifies that when an application transitions a call to the requested state,
+     * Telecom does not disconnect the call and transaction completes successfully.
+     */
+    @SmallTest
+    @Test
+    public void testCallStateIsSuccessfullyChanged()
+            throws ExecutionException, InterruptedException, TimeoutException {
+        when(mFeatureFlags.transactionalCsVerifier()).thenReturn(true);
+        VerifyCallStateChangeTransaction t = new VerifyCallStateChangeTransaction(mCallsManager,
+                mMockCall1, CallState.ON_HOLD, true);
+        // WHEN
+        setupHoldableCall();
+
+        // simulate the transaction being processed and the setOnHold() being called / state change
+        t.processTransaction(null);
+        t.getCallStateListenerImpl().onCallStateChanged(CallState.ON_HOLD);
+        when(mMockCall1.getState()).thenReturn(CallState.ON_HOLD);
+
+        // THEN
+        verify(mMockCall1, times(1)).addCallStateListener(t.getCallStateListenerImpl());
+        assertEquals(t.getCallStateOrTimeoutResult().get().intValue(),
+                VerifyCallStateChangeTransaction.SUCCESS_CODE);
+        assertEquals(VoipCallTransactionResult.RESULT_SUCCEED,
+                t.getTransactionResult().get(2, TimeUnit.SECONDS).getResult());
+        verify(mMockCall1, atLeastOnce()).removeCallStateListener(any());
+        verify(mCallsManager, never()).markCallAsDisconnected(eq(mMockCall1), any());
+        verify(mCallsManager, never()).markCallAsRemoved(eq(mMockCall1));
+    }
+
     private Call createSpyCall(PhoneAccountHandle targetPhoneAccount, int initialState, String id) {
         when(mCallsManager.getCallerInfoLookupHelper()).thenReturn(mCallerInfoLookupHelper);
 
@@ -267,7 +341,8 @@
                 false /* shouldAttachToExistingConnection*/,
                 false /* isConference */,
                 mClockProxy,
-                mToastFactory);
+                mToastFactory,
+                mFeatureFlags);
 
         Call callSpy = Mockito.spy(call);
 
@@ -280,4 +355,12 @@
 
         return callSpy;
     }
+
+    private void setupHoldableCall(){
+        when(mMockCall1.getState()).thenReturn(CallState.ACTIVE);
+        when(mMockCall1.getConnectionServiceWrapper()).thenReturn(
+                mock(ConnectionServiceWrapper.class));
+        doNothing().when(mMockCall1).addCallStateListener(any());
+        doReturn(true).when(mMockCall1).removeCallStateListener(any());
+    }
 }
\ No newline at end of file
diff --git a/tests/src/com/android/server/telecom/tests/VideoCallTests.java b/tests/src/com/android/server/telecom/tests/VideoCallTests.java
index 84beedc..0ce70af 100644
--- a/tests/src/com/android/server/telecom/tests/VideoCallTests.java
+++ b/tests/src/com/android/server/telecom/tests/VideoCallTests.java
@@ -16,6 +16,26 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.verify;
+
+import android.os.Process;
+import android.os.RemoteException;
+import android.telecom.CallAudioState;
+import android.telecom.DisconnectCause;
+import android.telecom.VideoProfile;
+
+import androidx.test.filters.LargeTest;
+import androidx.test.filters.MediumTest;
+
+import com.android.server.telecom.CallAudioModeStateMachine;
+import com.android.server.telecom.CallAudioRouteAdapter;
+import com.android.server.telecom.CallAudioRouteStateMachine;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -23,26 +43,8 @@
 import org.junit.runners.JUnit4;
 import org.mockito.ArgumentCaptor;
 
-import android.os.Process;
-import android.os.RemoteException;
-import android.telecom.CallAudioState;
-import android.telecom.DisconnectCause;
-import android.telecom.VideoProfile;
-import android.test.suitebuilder.annotation.LargeTest;
-import android.test.suitebuilder.annotation.MediumTest;
-
-import com.android.server.telecom.CallAudioModeStateMachine;
-import com.android.server.telecom.CallAudioRouteStateMachine;
-
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import static org.mockito.Mockito.atLeastOnce;
-import static org.mockito.Mockito.verify;
-
 /**
  * System tests for video-specific behavior in telecom.
  * TODO: Add unit tests which ensure that auto-speakerphone does not occur when using a wired
@@ -258,13 +260,13 @@
      */
     private void verifyAudioRoute(int expectedRoute) throws Exception {
         // Capture all onCallAudioStateChanged callbacks to InCall.
-        CallAudioRouteStateMachine carsm = mTelecomSystem.getCallsManager()
-                .getCallAudioManager().getCallAudioRouteStateMachine();
+        CallAudioRouteAdapter cara = mTelecomSystem.getCallsManager()
+                .getCallAudioManager().getCallAudioRouteAdapter();
         CallAudioModeStateMachine camsm = mTelecomSystem.getCallsManager()
                 .getCallAudioManager().getCallAudioModeStateMachine();
         waitForHandlerAction(camsm.getHandler(), TEST_TIMEOUT);
         final boolean[] success = {true};
-        carsm.sendMessage(CallAudioRouteStateMachine.RUN_RUNNABLE, (Runnable) () -> {
+        cara.sendMessage(CallAudioRouteStateMachine.RUN_RUNNABLE, (Runnable) () -> {
             ArgumentCaptor<CallAudioState> callAudioStateArgumentCaptor = ArgumentCaptor.forClass(
                     CallAudioState.class);
             try {
@@ -277,7 +279,7 @@
             assertEquals(expectedRoute, changes.get(changes.size() - 1).getRoute());
             success[0] = true;
         });
-        waitForHandlerAction(carsm.getHandler(), TEST_TIMEOUT);
+        waitForHandlerAction(cara.getAdapterHandler(), TEST_TIMEOUT);
         assertTrue(success[0]);
     }
 }
diff --git a/tests/src/com/android/server/telecom/tests/VideoProfileTest.java b/tests/src/com/android/server/telecom/tests/VideoProfileTest.java
index 5ee0414..b2a1c81 100644
--- a/tests/src/com/android/server/telecom/tests/VideoProfileTest.java
+++ b/tests/src/com/android/server/telecom/tests/VideoProfileTest.java
@@ -21,7 +21,8 @@
 import static org.junit.Assert.assertTrue;
 
 import android.telecom.VideoProfile;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/tests/src/com/android/server/telecom/tests/VideoProviderProxyTest.java b/tests/src/com/android/server/telecom/tests/VideoProviderProxyTest.java
index 2b6c260..060e3ae 100644
--- a/tests/src/com/android/server/telecom/tests/VideoProviderProxyTest.java
+++ b/tests/src/com/android/server/telecom/tests/VideoProviderProxyTest.java
@@ -26,7 +26,8 @@
 
 import android.os.IBinder;
 import android.telecom.VideoProfile;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.internal.telecom.IVideoProvider;
 import com.android.server.telecom.Analytics;
diff --git a/tests/src/com/android/server/telecom/tests/VideoProviderTest.java b/tests/src/com/android/server/telecom/tests/VideoProviderTest.java
index 597924d..56fbf72 100644
--- a/tests/src/com/android/server/telecom/tests/VideoProviderTest.java
+++ b/tests/src/com/android/server/telecom/tests/VideoProviderTest.java
@@ -16,6 +16,41 @@
 
 package com.android.server.telecom.tests;
 
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.verify;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.graphics.SurfaceTexture;
+import android.net.Uri;
+import android.os.Build;
+import android.os.UserHandle;
+import android.telecom.Connection;
+import android.telecom.Connection.VideoProvider;
+import android.telecom.InCallService;
+import android.telecom.InCallService.VideoCall;
+import android.telecom.VideoCallImpl;
+import android.telecom.VideoProfile;
+import android.telecom.VideoProfile.CameraCapabilities;
+import android.view.Surface;
+
+import androidx.test.filters.MediumTest;
+
+import com.android.server.telecom.CallsManager;
+
+import com.google.common.base.Predicate;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -26,48 +61,10 @@
 import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
 
-import android.app.AppOpsManager;
-import android.content.Context;
-import android.graphics.SurfaceTexture;
-import android.net.Uri;
-import android.os.Build;
-import android.os.Handler;
-import android.os.Looper;
-import android.os.UserHandle;
-import android.telecom.Call;
-import android.telecom.Connection;
-import android.telecom.Connection.VideoProvider;
-import android.telecom.DisconnectCause;
-import android.telecom.InCallService;
-import android.telecom.InCallService.VideoCall;
-import android.telecom.VideoCallImpl;
-import android.telecom.VideoProfile;
-import android.telecom.VideoProfile.CameraCapabilities;
-import android.test.suitebuilder.annotation.MediumTest;
-import android.view.Surface;
-
-import com.google.common.base.Predicate;
-
 import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyLong;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.doThrow;
-import static org.mockito.Mockito.timeout;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-
-import com.android.server.telecom.CallsManager;
-
 /**
  * Performs tests of the {@link VideoProvider} and {@link VideoCall} APIs.  Ensures that requests
  * sent from an InCallService are routed through Telecom to a VideoProvider, and that callbacks are
diff --git a/tests/src/com/android/server/telecom/tests/VoipCallMonitorTest.java b/tests/src/com/android/server/telecom/tests/VoipCallMonitorTest.java
index ddea231..7f7399c 100644
--- a/tests/src/com/android/server/telecom/tests/VoipCallMonitorTest.java
+++ b/tests/src/com/android/server/telecom/tests/VoipCallMonitorTest.java
@@ -16,7 +16,6 @@
 
 package com.android.server.telecom.tests;
 
-import static android.app.ForegroundServiceDelegationOptions.DELEGATION_SERVICE_PHONE_CALL;
 import static android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_CAMERA;
 import static android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_CONNECTED_DEVICE;
 import static android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE;
@@ -44,7 +43,8 @@
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
 import android.telecom.PhoneAccountHandle;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.server.telecom.Call;
 import com.android.server.telecom.CallState;