diff --git a/src/com/android/server/telecom/CallAudioRouteController.java b/src/com/android/server/telecom/CallAudioRouteController.java
index 29e67bb..d8e4a5e 100644
--- a/src/com/android/server/telecom/CallAudioRouteController.java
+++ b/src/com/android/server/telecom/CallAudioRouteController.java
@@ -958,7 +958,8 @@
                     BluetoothDevice device = mBluetoothRoutes.get(route);
                     // Check if in-band ringtone is enabled for the device; if it isn't, move to
                     // inactive route.
-                    if (device != null && !mBluetoothRouteManager.isInbandRingEnabled(device)) {
+                    if (device != null && !mBluetoothRouteManager
+                            .isInbandRingEnabled(route.getType(), device)) {
                         routeTo(false, route);
                     } else {
                         routeTo(true, route);
@@ -966,7 +967,8 @@
                 } else {
                     // Route is already active.
                     BluetoothDevice device = mBluetoothRoutes.get(mCurrentRoute);
-                    if (device != null && !mBluetoothRouteManager.isInbandRingEnabled(device)) {
+                    if (device != null && !mBluetoothRouteManager
+                            .isInbandRingEnabled(mCurrentRoute.getType(), device)) {
                         routeTo(false, mCurrentRoute);
                     }
                 }
@@ -1002,8 +1004,9 @@
 
         if (bluetoothRoute != null && bluetoothDevice != null) {
             if (mFocusType == RINGING_FOCUS) {
-                routeTo(mBluetoothRouteManager.isInbandRingEnabled(bluetoothDevice) && mIsActive,
-                        bluetoothRoute);
+                routeTo(mBluetoothRouteManager
+                                .isInbandRingEnabled(bluetoothRoute.getType(), bluetoothDevice)
+                                && mIsActive, bluetoothRoute);
                 mBluetoothAddressForRinging = bluetoothDevice.getAddress();
             } else {
                 routeTo(mIsActive, bluetoothRoute);
diff --git a/src/com/android/server/telecom/CallsManager.java b/src/com/android/server/telecom/CallsManager.java
index abcdd18..3c10f4e 100644
--- a/src/com/android/server/telecom/CallsManager.java
+++ b/src/com/android/server/telecom/CallsManager.java
@@ -1828,6 +1828,24 @@
             } else {
                 notifyCreateConnectionFailed(phoneAccountHandle, call);
             }
+        } else if (mFeatureFlags.enableCallSequencing() && (hasMaximumManagedRingingCalls(call)
+                || hasMaximumManagedDialingCalls(call))) {
+            // Fail incoming call if there's already a ringing or dialing call present.
+            boolean maxRinging = hasMaximumManagedRingingCalls(call);
+            if (maxRinging) {
+                call.setMissedReason(AUTO_MISSED_MAXIMUM_RINGING);
+                call.setStartFailCause(CallFailureCause.MAX_RINGING_CALLS);
+            } else {
+                call.setMissedReason(AUTO_MISSED_MAXIMUM_DIALING);
+            }
+            call.getAnalytics().setMissedReason(call.getMissedReason());
+            mCallLogManager.logCall(call, Calls.MISSED_TYPE,
+                    true /*showNotificationForMissedCall*/, null /*CallFilteringResult*/);
+            if (isConference) {
+                notifyCreateConferenceFailed(phoneAccountHandle, call);
+            } else {
+                notifyCreateConnectionFailed(phoneAccountHandle, call);
+            }
         } else if (call.isTransactionalCall()) {
             // transactional calls should skip Call#startCreateConnection below
             // as that is meant for Call objects with a ConnectionServiceWrapper
@@ -3544,6 +3562,9 @@
      */
     public void disconnectCallOld(Call call, int previousState) {
         call.disconnect();
+        for (CallsManagerListener listener : mListeners) {
+            listener.onCallStateChanged(call, previousState, call.getState());
+        }
         processDisconnectCallAndCleanup(call, previousState);
     }
 
@@ -3554,9 +3575,6 @@
      * @param previousState The previous call state before the call is disconnected.
      */
     public void processDisconnectCallAndCleanup(Call call, int previousState) {
-        for (CallsManagerListener listener : mListeners) {
-            listener.onCallStateChanged(call, previousState, call.getState());
-        }
         // Cancel any of the outgoing call futures if they're still around.
         if (mPendingCallConfirm != null && !mPendingCallConfirm.isDone()) {
             mPendingCallConfirm.complete(null);
diff --git a/src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java b/src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java
index 64c7f33..eda8c64 100644
--- a/src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java
+++ b/src/com/android/server/telecom/bluetooth/BluetoothDeviceManager.java
@@ -992,6 +992,34 @@
         return isInbandRingEnabled(activeDevice);
     }
 
+    /**
+     * Check if inband ringing is enabled for the specified BT device.
+     * This is intended for use by {@link CallAudioRouteController}.
+     * @param audioRouteType The BT device type.
+     * @param bluetoothDevice The BT device.
+     * @return {@code true} if inband ringing is enabled, {@code false} otherwise.
+     */
+    public boolean isInbandRingEnabled(@AudioRoute.AudioRouteType int audioRouteType,
+            BluetoothDevice bluetoothDevice) {
+        if (audioRouteType == AudioRoute.TYPE_BLUETOOTH_LE) {
+            if (mBluetoothLeAudioService == null) {
+                Log.i(this, "isInbandRingingEnabled: no leaudio service available.");
+                return false;
+            }
+            int groupId = mBluetoothLeAudioService.getGroupId(bluetoothDevice);
+            return mBluetoothLeAudioService.isInbandRingtoneEnabled(groupId);
+        } else {
+            if (getBluetoothHeadset() == null) {
+                Log.i(this, "isInbandRingingEnabled: no headset service available.");
+                return false;
+            }
+            boolean isEnabled = mBluetoothHeadset.isInbandRingingEnabled();
+            Log.i(this, "isInbandRingEnabled: device: %s, isEnabled: %b", bluetoothDevice,
+                    isEnabled);
+            return isEnabled;
+        }
+    }
+
     public boolean isInbandRingEnabled(BluetoothDevice bluetoothDevice) {
         if (mBluetoothRouteManager.isCachedLeAudioDevice(bluetoothDevice)) {
             if (mBluetoothLeAudioService == null) {
diff --git a/src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java b/src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java
index 6e9af8a..93dbed6 100644
--- a/src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java
+++ b/src/com/android/server/telecom/bluetooth/BluetoothRouteManager.java
@@ -37,6 +37,7 @@
 import com.android.internal.util.IState;
 import com.android.internal.util.State;
 import com.android.internal.util.StateMachine;
+import com.android.server.telecom.AudioRoute;
 import com.android.server.telecom.CallAudioCommunicationDeviceTracker;
 import com.android.server.telecom.TelecomSystem;
 import com.android.server.telecom.Timeouts;
@@ -1180,6 +1181,11 @@
         return mDeviceManager.isInbandRingEnabled(bluetoothDevice);
     }
 
+    public boolean isInbandRingEnabled(@AudioRoute.AudioRouteType int audioRouteType,
+            BluetoothDevice bluetoothDevice) {
+        return mDeviceManager.isInbandRingEnabled(audioRouteType, bluetoothDevice);
+    }
+
     private boolean addDevice(String address) {
         if (mAudioConnectingStates.containsKey(address)) {
             Log.i(this, "Attempting to add device %s twice.", address);
diff --git a/tests/src/com/android/server/telecom/tests/CallAudioRouteControllerTest.java b/tests/src/com/android/server/telecom/tests/CallAudioRouteControllerTest.java
index 19b08c6..b0b1d4e 100644
--- a/tests/src/com/android/server/telecom/tests/CallAudioRouteControllerTest.java
+++ b/tests/src/com/android/server/telecom/tests/CallAudioRouteControllerTest.java
@@ -409,7 +409,8 @@
     @SmallTest
     @Test
     public void testSwitchFocusForBluetoothDeviceSupportInbandRinging() {
-        when(mBluetoothRouteManager.isInbandRingEnabled(eq(BLUETOOTH_DEVICE_1))).thenReturn(true);
+        when(mBluetoothRouteManager.isInbandRingEnabled(eq(AudioRoute.TYPE_BLUETOOTH_SCO),
+                eq(BLUETOOTH_DEVICE_1))).thenReturn(true);
 
         mController.initialize();
         mController.sendMessageWithSessionInfo(BT_DEVICE_ADDED, AudioRoute.TYPE_BLUETOOTH_SCO,
@@ -932,7 +933,8 @@
     public void testRouteFromBtSwitchInRingingSelected() {
         when(mFeatureFlags.ignoreAutoRouteToWatchDevice()).thenReturn(true);
         when(mBluetoothRouteManager.isWatch(any(BluetoothDevice.class))).thenReturn(true);
-        when(mBluetoothRouteManager.isInbandRingEnabled(eq(BLUETOOTH_DEVICE_1))).thenReturn(false);
+        when(mBluetoothRouteManager.isInbandRingEnabled(eq(AudioRoute.TYPE_BLUETOOTH_SCO),
+                eq(BLUETOOTH_DEVICE_1))).thenReturn(false);
 
         mController.initialize();
         mController.sendMessageWithSessionInfo(BT_DEVICE_ADDED, AudioRoute.TYPE_BLUETOOTH_SCO,
@@ -1261,7 +1263,8 @@
     @SmallTest
     public void testAbandonCallAudioFocusAfterCallEnd() {
         // Make sure in-band ringing is disabled so that route never becomes active
-        when(mBluetoothRouteManager.isInbandRingEnabled(eq(BLUETOOTH_DEVICE_1))).thenReturn(false);
+        when(mBluetoothRouteManager.isInbandRingEnabled(eq(AudioRoute.TYPE_BLUETOOTH_SCO),
+                eq(BLUETOOTH_DEVICE_1))).thenReturn(false);
 
         mController.initialize();
         mController.sendMessageWithSessionInfo(BT_DEVICE_ADDED, AudioRoute.TYPE_BLUETOOTH_SCO,