diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 723cecf..f48c425 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -74,6 +74,10 @@
    presses home. -->
   <uses-permission android:name="android.permission.STOP_APP_SWITCHES"/>
 
+  <!-- Used for sending PendingIntents to dynamically registered receivers -->
+  <uses-permission android:name="com.android.dialer.permission.DIALER_ORIGIN"
+    android:protectionLevel="signature" />
+
   <!-- Permissions needed for badger count showing on launch icon. -->
 
   <!--for Samsung-->
diff --git a/java/com/android/contacts/common/model/ContactLoader.java b/java/com/android/contacts/common/model/ContactLoader.java
index 12cca4f..a3a3b9d 100644
--- a/java/com/android/contacts/common/model/ContactLoader.java
+++ b/java/com/android/contacts/common/model/ContactLoader.java
@@ -39,6 +39,7 @@
 import com.android.contacts.common.GroupMetaData;
 import com.android.contacts.common.model.account.AccountType;
 import com.android.contacts.common.model.account.AccountTypeWithDataSet;
+import com.android.contacts.common.model.account.GoogleAccountType;
 import com.android.contacts.common.model.dataitem.DataItem;
 import com.android.contacts.common.model.dataitem.PhoneDataItem;
 import com.android.contacts.common.model.dataitem.PhotoDataItem;
@@ -727,6 +728,10 @@
       final String servicePackageName = accountType.getViewContactNotifyServicePackageName();
       if (!TextUtils.isEmpty(serviceName) && !TextUtils.isEmpty(servicePackageName)) {
         final Uri uri = ContentUris.withAppendedId(RawContacts.CONTENT_URI, rawContactId);
+        if (accountType instanceof GoogleAccountType) {
+          ((GoogleAccountType) accountType).handleRawContactViewed(context, uri);
+          continue;
+        }
         final Intent intent = new Intent();
         intent.setClassName(servicePackageName, serviceName);
         intent.setAction(Intent.ACTION_VIEW);
diff --git a/java/com/android/contacts/common/model/account/GoogleAccountType.java b/java/com/android/contacts/common/model/account/GoogleAccountType.java
index a25544b..e10ade4 100644
--- a/java/com/android/contacts/common/model/account/GoogleAccountType.java
+++ b/java/com/android/contacts/common/model/account/GoogleAccountType.java
@@ -18,6 +18,8 @@
 
 import android.content.ContentValues;
 import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
 import android.provider.ContactsContract.CommonDataKinds.Email;
 import android.provider.ContactsContract.CommonDataKinds.Event;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
@@ -196,11 +198,28 @@
 
   @Override
   public String getViewContactNotifyServiceClassName() {
-    return "com.google.android.syncadapters.contacts." + "SyncHighResPhotoIntentService";
+    return PLUS_EXTENSION_PACKAGE_NAME + ".people.sync.focus.SyncHighResPhotoIntentOperation";
   }
 
   @Override
   public String getViewContactNotifyServicePackageName() {
-    return "com.google.android.syncadapters.contacts";
+    return PLUS_EXTENSION_PACKAGE_NAME;
+  }
+
+  /**
+   * Sends a broadcast to the sync adapter to trigger a high res photo sync for the contact which
+   * was viewed
+   * @param context context to send broadcast in
+   * @param rawContactUri Uri of the raw contact viewed
+   */
+  public void handleRawContactViewed(Context context, Uri rawContactUri) {
+    final Intent intent = new Intent();
+    intent.setData(rawContactUri);
+    // New broadcast for syncing high res photo.
+    intent.setPackage(GoogleAccountType.PLUS_EXTENSION_PACKAGE_NAME);
+    intent.setAction(
+        "com.google.android.gms.people.sync.focus.SYNC_HIGH_RES_PHOTO");
+
+    context.sendBroadcast(intent);
   }
 }
diff --git a/java/com/android/dialer/app/calllog/CallLogListItemViewHolder.java b/java/com/android/dialer/app/calllog/CallLogListItemViewHolder.java
index e044460..05011d1 100644
--- a/java/com/android/dialer/app/calllog/CallLogListItemViewHolder.java
+++ b/java/com/android/dialer/app/calllog/CallLogListItemViewHolder.java
@@ -560,7 +560,7 @@
       case CallbackAction.VOICE:
         if (callLogCache.isVoicemailNumber(accountHandle, number)) {
           // Call to generic voicemail number, in case there are multiple accounts
-          primaryActionButtonView.setTag(IntentProvider.getReturnVoicemailCallIntentProvider(null));
+          primaryActionButtonView.setTag(IntentProvider.getReturnVoicemailCallIntentProvider());
         } else if (canSupportAssistedDialing()) {
           primaryActionButtonView.setTag(
               IntentProvider.getAssistedDialIntentProvider(
diff --git a/java/com/android/dialer/app/calllog/IntentProvider.java b/java/com/android/dialer/app/calllog/IntentProvider.java
index 21f3418..423b49c 100644
--- a/java/com/android/dialer/app/calllog/IntentProvider.java
+++ b/java/com/android/dialer/app/calllog/IntentProvider.java
@@ -161,14 +161,13 @@
     };
   }
 
-  public static IntentProvider getReturnVoicemailCallIntentProvider(
-      @Nullable PhoneAccountHandle phoneAccountHandle) {
+  public static IntentProvider getReturnVoicemailCallIntentProvider() {
     return new IntentProvider() {
       @Override
       public Intent getIntent(Context context) {
         return PreCall.getIntent(
             context,
-            CallIntentBuilder.forVoicemail(phoneAccountHandle, CallInitiationType.Type.CALL_LOG));
+            CallIntentBuilder.forVoicemail(CallInitiationType.Type.CALL_LOG));
       }
     };
   }
diff --git a/java/com/android/dialer/app/calllog/LegacyVoicemailNotifier.java b/java/com/android/dialer/app/calllog/LegacyVoicemailNotifier.java
index 625215e..1388f43 100644
--- a/java/com/android/dialer/app/calllog/LegacyVoicemailNotifier.java
+++ b/java/com/android/dialer/app/calllog/LegacyVoicemailNotifier.java
@@ -183,7 +183,7 @@
       return NOTIFICATION_TAG;
     }
     return NOTIFICATION_TAG_PREFIX
-        + VoicemailChannelUtils.getHashedPhoneAccountId(phoneAccountHandle.getId());
+        + VoicemailChannelUtils.getHashedPhoneAccountId(phoneAccountHandle);
   }
 
   private LegacyVoicemailNotifier() {}
diff --git a/java/com/android/dialer/callintent/CallIntentBuilder.java b/java/com/android/dialer/callintent/CallIntentBuilder.java
index 613fdf6..7cc5891 100644
--- a/java/com/android/dialer/callintent/CallIntentBuilder.java
+++ b/java/com/android/dialer/callintent/CallIntentBuilder.java
@@ -117,10 +117,10 @@
   }
 
   public static CallIntentBuilder forVoicemail(
-      @Nullable PhoneAccountHandle phoneAccountHandle, CallInitiationType.Type callInitiationType) {
+      CallInitiationType.Type callInitiationType) {
     return new CallIntentBuilder(
             Uri.fromParts(PhoneAccount.SCHEME_VOICEMAIL, "", null), callInitiationType)
-        .setPhoneAccountHandle(phoneAccountHandle);
+        .setPhoneAccountHandle(null);
   }
 
   public void setUri(@NonNull Uri uri) {
diff --git a/java/com/android/dialer/commandline/impl/CallCommand.java b/java/com/android/dialer/commandline/impl/CallCommand.java
index b3ea860..d0008a3 100644
--- a/java/com/android/dialer/commandline/impl/CallCommand.java
+++ b/java/com/android/dialer/commandline/impl/CallCommand.java
@@ -19,8 +19,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.support.annotation.NonNull;
-import android.telecom.PhoneAccount;
-import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import com.android.dialer.buildtype.BuildType;
 import com.android.dialer.buildtype.BuildType.Type;
@@ -67,12 +65,10 @@
     }
     String number = args.expectPositional(0, "number");
     TelecomManager telecomManager = appContext.getSystemService(TelecomManager.class);
-    PhoneAccountHandle phoneAccountHandle =
-        telecomManager.getDefaultOutgoingPhoneAccount(PhoneAccount.SCHEME_TEL);
     CallIntentBuilder callIntentBuilder;
     if ("voicemail".equals(number)) {
       callIntentBuilder =
-          CallIntentBuilder.forVoicemail(phoneAccountHandle, CallInitiationType.Type.DIALPAD);
+          CallIntentBuilder.forVoicemail(CallInitiationType.Type.DIALPAD);
     } else {
       callIntentBuilder = new CallIntentBuilder(number, CallInitiationType.Type.DIALPAD);
     }
diff --git a/java/com/android/dialer/contacts/hiresphoto/HighResolutionPhotoRequesterImpl.java b/java/com/android/dialer/contacts/hiresphoto/HighResolutionPhotoRequesterImpl.java
index 9201604..0c14613 100644
--- a/java/com/android/dialer/contacts/hiresphoto/HighResolutionPhotoRequesterImpl.java
+++ b/java/com/android/dialer/contacts/hiresphoto/HighResolutionPhotoRequesterImpl.java
@@ -51,8 +51,8 @@
   @VisibleForTesting
   static final ComponentName SYNC_HIGH_RESOLUTION_PHOTO_SERVICE =
       new ComponentName(
-          "com.google.android.syncadapters.contacts",
-          "com.google.android.syncadapters.contacts.SyncHighResPhotoIntentService");
+          "com.google.android.gms",
+          "com.google.android.gms.people.sync.focus.SyncHighResPhotoIntentOperation");
 
   private final Context appContext;
   private final ListeningExecutorService backgroundExecutor;
@@ -81,7 +81,8 @@
   private void requestInternal(Uri contactUri) throws RequestFailedException {
     for (Long rawContactId : getGoogleRawContactIds(getContactId(contactUri))) {
       Uri rawContactUri = ContentUris.withAppendedId(RawContacts.CONTENT_URI, rawContactId);
-      Intent intent = new Intent(Intent.ACTION_VIEW);
+      Intent intent = new Intent();
+      intent.setAction("com.google.android.gms.people.sync.focus.SYNC_HIGH_RES_PHOTO");
       intent.setComponent(SYNC_HIGH_RESOLUTION_PHOTO_SERVICE);
       intent.setDataAndType(rawContactUri, RawContacts.CONTENT_ITEM_TYPE);
       intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
@@ -89,7 +90,7 @@
         LogUtil.i(
             "HighResolutionPhotoRequesterImpl.requestInternal",
             "requesting photo for " + rawContactUri);
-        appContext.startService(intent);
+        appContext.sendBroadcast(intent);
       } catch (IllegalStateException | SecurityException e) {
         throw new RequestFailedException("unable to start sync adapter", e);
       }
diff --git a/java/com/android/dialer/dialpadview/DialpadFragment.java b/java/com/android/dialer/dialpadview/DialpadFragment.java
index 2d0eff5..12c82c9 100644
--- a/java/com/android/dialer/dialpadview/DialpadFragment.java
+++ b/java/com/android/dialer/dialpadview/DialpadFragment.java
@@ -1136,7 +1136,7 @@
 
   public void callVoicemail() {
     PreCall.start(
-        getContext(), CallIntentBuilder.forVoicemail(null, CallInitiationType.Type.DIALPAD));
+        getContext(), CallIntentBuilder.forVoicemail(CallInitiationType.Type.DIALPAD));
     hideAndClearDialpad();
   }
 
diff --git a/java/com/android/dialer/voicemail/listui/error/OmtpVoicemailMessageCreator.java b/java/com/android/dialer/voicemail/listui/error/OmtpVoicemailMessageCreator.java
index 29b6989..850b938 100644
--- a/java/com/android/dialer/voicemail/listui/error/OmtpVoicemailMessageCreator.java
+++ b/java/com/android/dialer/voicemail/listui/error/OmtpVoicemailMessageCreator.java
@@ -66,7 +66,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.voicemail_error_activating_title),
           context.getString(R.string.voicemail_error_activating_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()));
+          VoicemailErrorMessage.createCallVoicemailAction(context));
     }
 
     if (Status.NOTIFICATION_CHANNEL_STATE_NO_CONNECTION == status.notificationChannelState) {
@@ -77,7 +77,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.voicemail_error_activation_failed_title),
           context.getString(R.string.voicemail_error_activation_failed_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           VoicemailErrorMessage.createRetryAction(context, status));
     }
 
@@ -85,7 +85,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.voicemail_error_no_data_title),
           context.getString(R.string.voicemail_error_no_data_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           VoicemailErrorMessage.createRetryAction(context, status));
     }
 
@@ -93,7 +93,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.voicemail_error_no_data_title),
           context.getString(R.string.voicemail_error_no_data_cellular_required_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           VoicemailErrorMessage.createRetryAction(context, status));
     }
 
@@ -101,7 +101,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.voicemail_error_bad_config_title),
           context.getString(R.string.voicemail_error_bad_config_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           VoicemailErrorMessage.createRetryAction(context, status));
     }
 
@@ -109,7 +109,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.voicemail_error_communication_title),
           context.getString(R.string.voicemail_error_communication_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           VoicemailErrorMessage.createRetryAction(context, status));
     }
 
@@ -117,7 +117,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.voicemail_error_server_title),
           context.getString(R.string.voicemail_error_server_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           VoicemailErrorMessage.createRetryAction(context, status));
     }
 
@@ -125,7 +125,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.voicemail_error_server_connection_title),
           context.getString(R.string.voicemail_error_server_connection_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           VoicemailErrorMessage.createRetryAction(context, status));
     }
 
diff --git a/java/com/android/dialer/voicemail/listui/error/VoicemailErrorMessage.java b/java/com/android/dialer/voicemail/listui/error/VoicemailErrorMessage.java
index 14d6cff..e22f306 100644
--- a/java/com/android/dialer/voicemail/listui/error/VoicemailErrorMessage.java
+++ b/java/com/android/dialer/voicemail/listui/error/VoicemailErrorMessage.java
@@ -150,7 +150,7 @@
           public void onClick(View v) {
             Logger.get(context)
                 .logImpression(DialerImpression.Type.VOICEMAIL_ALERT_SET_PIN_CLICKED);
-            Intent intent = new Intent(VoicemailChangePinActivity.ACTION_CHANGE_PIN);
+            Intent intent = new Intent(context, VoicemailChangePinActivity.class);
             intent.putExtra(VoicemailClient.PARAM_PHONE_ACCOUNT_HANDLE, phoneAccountHandle);
             context.startActivity(intent);
           }
@@ -159,7 +159,7 @@
 
   @NonNull
   public static Action createCallVoicemailAction(
-      final Context context, final PhoneAccountHandle phoneAccountHandle) {
+      final Context context) {
     return new Action(
         context.getString(R.string.voicemail_action_call_voicemail),
         new OnClickListener() {
@@ -169,7 +169,7 @@
             PreCall.start(
                 context,
                 CallIntentBuilder.forVoicemail(
-                    phoneAccountHandle, CallInitiationType.Type.VOICEMAIL_ERROR_MESSAGE));
+                    CallInitiationType.Type.VOICEMAIL_ERROR_MESSAGE));
           }
         });
   }
diff --git a/java/com/android/dialer/voicemail/listui/error/Vvm3VoicemailMessageCreator.java b/java/com/android/dialer/voicemail/listui/error/Vvm3VoicemailMessageCreator.java
index 17173d8..863c586 100644
--- a/java/com/android/dialer/voicemail/listui/error/Vvm3VoicemailMessageCreator.java
+++ b/java/com/android/dialer/voicemail/listui/error/Vvm3VoicemailMessageCreator.java
@@ -167,7 +167,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.vvm3_error_unknown_user_title),
           getCustomerSupportString(context, R.string.vvm3_error_unknown_user_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           createCallCustomerSupportAction(context));
     }
 
@@ -175,7 +175,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.vvm3_error_unknown_device_title),
           getCustomerSupportString(context, R.string.vvm3_error_unknown_device_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           createCallCustomerSupportAction(context));
     }
 
@@ -183,7 +183,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.vvm3_error_invalid_password_title),
           getCustomerSupportString(context, R.string.vvm3_error_invalid_password_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           createCallCustomerSupportAction(context));
     }
 
@@ -219,7 +219,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.vvm3_error_subscriber_unknown_title),
           getCustomerSupportString(context, R.string.vvm3_error_subscriber_unknown_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           createCallCustomerSupportAction(context));
     }
 
@@ -227,7 +227,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.vvm3_error_imap_getquota_error_title),
           getCustomerSupportString(context, R.string.vvm3_error_imap_getquota_error_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           createCallCustomerSupportAction(context));
     }
 
@@ -235,7 +235,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.vvm3_error_imap_select_error_title),
           getCustomerSupportString(context, R.string.vvm3_error_imap_select_error_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           createCallCustomerSupportAction(context));
     }
 
@@ -243,7 +243,7 @@
       return new VoicemailErrorMessage(
           context.getString(R.string.vvm3_error_imap_error_title),
           getCustomerSupportString(context, R.string.vvm3_error_imap_error_message),
-          VoicemailErrorMessage.createCallVoicemailAction(context, status.getPhoneAccountHandle()),
+          VoicemailErrorMessage.createCallVoicemailAction(context),
           createCallCustomerSupportAction(context));
     }
 
diff --git a/java/com/android/dialer/voicemail/settings/AndroidManifest.xml b/java/com/android/dialer/voicemail/settings/AndroidManifest.xml
index 8506ddd..f25858e 100644
--- a/java/com/android/dialer/voicemail/settings/AndroidManifest.xml
+++ b/java/com/android/dialer/voicemail/settings/AndroidManifest.xml
@@ -29,10 +29,6 @@
         android:parentActivityName="com.android.dialer.app.settings.DialerSettingsActivity"
         android:theme="@style/SettingsStyle"
         android:windowSoftInputMode="stateVisible|adjustResize">
-      <intent-filter>
-        <action android:name="com.android.dialer.action.CHANGE_PIN"/>
-        <category android:name="android.intent.category.DEFAULT"/>
-      </intent-filter>
     </activity>
     <activity
         android:name=".RecordVoicemailGreetingActivity"
diff --git a/java/com/android/dialer/voicemail/settings/VoicemailChangePinActivity.java b/java/com/android/dialer/voicemail/settings/VoicemailChangePinActivity.java
index 4e22fb3..ebebdf7 100644
--- a/java/com/android/dialer/voicemail/settings/VoicemailChangePinActivity.java
+++ b/java/com/android/dialer/voicemail/settings/VoicemailChangePinActivity.java
@@ -67,7 +67,6 @@
     implements OnClickListener, OnEditorActionListener, TextWatcher {
 
   private static final String TAG = "VmChangePinActivity";
-  public static final String ACTION_CHANGE_PIN = "com.android.dialer.action.CHANGE_PIN";
 
   private static final int MESSAGE_HANDLE_RESULT = 1;
 
diff --git a/java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java b/java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java
index 29d376b..5a16f86 100644
--- a/java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java
+++ b/java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java
@@ -108,8 +108,8 @@
               PreCall.getIntent(
                   context,
                   CallIntentBuilder.forVoicemail(
-                      phoneAccountHandle, CallInitiationType.Type.LEGACY_VOICEMAIL_NOTIFICATION)),
-              PendingIntent.FLAG_UPDATE_CURRENT);
+                      CallInitiationType.Type.LEGACY_VOICEMAIL_NOTIFICATION)),
+              PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
     } else {
       Intent launchVoicemailSettingsIntent =
           new Intent(TelephonyManager.ACTION_CONFIGURE_VOICEMAIL);
@@ -122,7 +122,7 @@
               context,
               LAUNCH_VOICEMAIL_SETTINGS_REQUEST_CODE,
               launchVoicemailSettingsIntent,
-              PendingIntent.FLAG_UPDATE_CURRENT);
+              PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
     }
 
     intent.putExtra(TelephonyManager.EXTRA_VOICEMAIL_NUMBER, voicemailNumber);
diff --git a/java/com/android/voicemail/impl/sms/StatusSmsFetcher.java b/java/com/android/voicemail/impl/sms/StatusSmsFetcher.java
index 7ddf646..dd945e9 100644
--- a/java/com/android/voicemail/impl/sms/StatusSmsFetcher.java
+++ b/java/com/android/voicemail/impl/sms/StatusSmsFetcher.java
@@ -53,8 +53,12 @@
 
   private static final long STATUS_SMS_TIMEOUT_MILLIS = 60_000;
 
+  private static final String PERMISSION_DIALER_ORIGIN =
+      "com.android.dialer.permission.DIALER_ORIGIN";
+
   private static final String ACTION_REQUEST_SENT_INTENT =
       "com.android.voicemailomtp.sms.REQUEST_SENT";
+
   private static final int ACTION_REQUEST_SENT_REQUEST_CODE = 0;
 
   private CompletableFuture<Bundle> future = new CompletableFuture<>();
@@ -67,7 +71,7 @@
     this.phoneAccountHandle = phoneAccountHandle;
     IntentFilter filter = new IntentFilter(ACTION_REQUEST_SENT_INTENT);
     filter.addAction(OmtpService.ACTION_SMS_RECEIVED);
-    context.registerReceiver(this, filter);
+    context.registerReceiver(this, filter, PERMISSION_DIALER_ORIGIN, /* scheduler= */ null);
   }
 
   @Override
@@ -89,7 +93,10 @@
     // Because the receiver is registered dynamically, implicit intent must be used.
     // There should only be a single status SMS request at a time.
     return PendingIntent.getBroadcast(
-        context, ACTION_REQUEST_SENT_REQUEST_CODE, intent, PendingIntent.FLAG_CANCEL_CURRENT);
+        context,
+        ACTION_REQUEST_SENT_REQUEST_CODE,
+        intent,
+        PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_IMMUTABLE);
   }
 
   @Override