diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index dbd7067..006feed 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -90,6 +90,7 @@
     <protected-broadcast android:name= "android.telephony.action.SUBSCRIPTION_SPECIFIC_CARRIER_IDENTITY_CHANGED" />
     <protected-broadcast android:name= "android.telephony.action.NETWORK_COUNTRY_CHANGED" />
     <protected-broadcast android:name= "android.telephony.action.PRIMARY_SUBSCRIPTION_LIST_CHANGED" />
+    <protected-broadcast android:name= "android.telephony.action.MULTI_SIM_CONFIG_CHANGED" />
 
     <!-- For Vendor Debugging in Telephony -->
     <protected-broadcast android:name="android.telephony.action.ANOMALY_REPORTED" />
diff --git a/src/com/android/phone/PhoneUtils.java b/src/com/android/phone/PhoneUtils.java
index 3e36644..95cb785 100644
--- a/src/com/android/phone/PhoneUtils.java
+++ b/src/com/android/phone/PhoneUtils.java
@@ -87,7 +87,6 @@
     private static final int THEME = com.android.internal.R.style.Theme_DeviceDefault_Dialog_Alert;
 
     /** USSD information used to aggregate all USSD messages */
-    private static AlertDialog sUssdDialog = null;
     private static StringBuilder sUssdMsg = new StringBuilder();
 
     private static final ComponentName PSTN_CONNECTION_SERVICE_COMPONENT =
@@ -524,39 +523,36 @@
         // displaying system alert dialog on the screen instead of
         // using another activity to display the message.  This
         // places the message at the forefront of the UI.
+        AlertDialog ussdDialog = new AlertDialog.Builder(context, THEME)
+                .setPositiveButton(R.string.ok, null)
+                .setCancelable(true)
+                .setOnDismissListener(new DialogInterface.OnDismissListener() {
+                    @Override
+                    public void onDismiss(DialogInterface dialog) {
+                        sUssdMsg.setLength(0);
+                    }
+                })
+                .create();
 
-        if (sUssdDialog == null) {
-            sUssdDialog = new AlertDialog.Builder(context, THEME)
-                    .setPositiveButton(R.string.ok, null)
-                    .setCancelable(true)
-                    .setOnDismissListener(new DialogInterface.OnDismissListener() {
-                        @Override
-                        public void onDismiss(DialogInterface dialog) {
-                            sUssdMsg.setLength(0);
-                        }
-                    })
-                    .create();
+        ussdDialog.getWindow().setType(windowType);
+        ussdDialog.getWindow().addFlags(
+                WindowManager.LayoutParams.FLAG_DIM_BEHIND);
 
-            sUssdDialog.getWindow().setType(windowType);
-            sUssdDialog.getWindow().addFlags(
-                    WindowManager.LayoutParams.FLAG_DIM_BEHIND);
-        }
         if (sUssdMsg.length() != 0) {
-            sUssdMsg
-                    .insert(0, "\n")
+            sUssdMsg.insert(0, "\n")
                     .insert(0, app.getResources().getString(R.string.ussd_dialog_sep))
                     .insert(0, "\n");
         }
         if (phone != null && phone.getCarrierName() != null) {
-            sUssdDialog.setTitle(app.getResources().getString(R.string.carrier_mmi_msg_title,
+            ussdDialog.setTitle(app.getResources().getString(R.string.carrier_mmi_msg_title,
                     phone.getCarrierName()));
         } else {
-            sUssdDialog
+            ussdDialog
                     .setTitle(app.getResources().getString(R.string.default_carrier_mmi_msg_title));
         }
         sUssdMsg.insert(0, text);
-        sUssdDialog.setMessage(sUssdMsg.toString());
-        sUssdDialog.show();
+        ussdDialog.setMessage(sUssdMsg.toString());
+        ussdDialog.show();
     }
 
     /**
diff --git a/src/com/android/services/telephony/DisconnectCauseUtil.java b/src/com/android/services/telephony/DisconnectCauseUtil.java
index 855ba08..1a8aa07 100644
--- a/src/com/android/services/telephony/DisconnectCauseUtil.java
+++ b/src/com/android/services/telephony/DisconnectCauseUtil.java
@@ -19,6 +19,7 @@
 import android.content.Context;
 import android.media.ToneGenerator;
 import android.os.PersistableBundle;
+import android.provider.Settings;
 import android.telecom.DisconnectCause;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
@@ -360,7 +361,12 @@
                 resourceId = R.string.callFailed_too_many_calls;
                 break;
             case android.telephony.DisconnectCause.IMS_SIP_ALTERNATE_EMERGENCY_CALL:
-                resourceId = R.string.incall_error_power_off;
+                int airplaneMode = Settings.Global.getInt(context.getContentResolver(),
+                        Settings.Global.AIRPLANE_MODE_ON, 0);
+                resourceId = R.string.incall_error_call_failed;
+                if (airplaneMode != 0) {
+                    resourceId = R.string.incall_error_power_off;
+                }
                 break;
             case android.telephony.DisconnectCause.OTASP_PROVISIONING_IN_PROCESS:
                 resourceId = R.string.callFailed_otasp_provisioning_in_process;
@@ -753,7 +759,12 @@
                 resourceId = R.string.callFailed_too_many_calls;
                 break;
             case android.telephony.DisconnectCause.IMS_SIP_ALTERNATE_EMERGENCY_CALL:
-                resourceId = R.string.incall_error_power_off;
+                int airplaneMode = Settings.Global.getInt(context.getContentResolver(),
+                        Settings.Global.AIRPLANE_MODE_ON, 0);
+                resourceId = R.string.incall_error_call_failed;
+                if (airplaneMode != 0) {
+                    resourceId = R.string.incall_error_power_off;
+                }
                 break;
             case android.telephony.DisconnectCause.OTASP_PROVISIONING_IN_PROCESS:
                 resourceId = R.string.callFailed_otasp_provisioning_in_process;