diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index ae8fe4c852..c319339958 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -89,6 +89,7 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_REMOTE_MESSAGING" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MICROPHONE" />
     <!-- For vestigial telecom integration service -->
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_PHONE_CALL" />
 
@@ -1379,7 +1380,7 @@
     <service
         android:name="org.thoughtcrime.securesms.service.webrtc.ActiveCallManager$ActiveCallForegroundService"
         android:exported="false"
-        android:foregroundServiceType="dataSync" />
+        android:foregroundServiceType="dataSync|microphone" />
 
     <receiver android:name="org.thoughtcrime.securesms.service.webrtc.ActiveCallManager$ActiveCallServiceReceiver" android:exported="false">
         <intent-filter>
diff --git a/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/ActiveCallManager.kt b/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/ActiveCallManager.kt
index 027c9c0fac..b9545a9bd8 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/ActiveCallManager.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/ActiveCallManager.kt
@@ -22,6 +22,7 @@ import androidx.core.app.NotificationManagerCompat
 import androidx.core.os.bundleOf
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.core.Single
+import io.reactivex.rxjava3.core.SingleObserver
 import io.reactivex.rxjava3.disposables.Disposable
 import io.reactivex.rxjava3.kotlin.subscribeBy
 import io.reactivex.rxjava3.schedulers.Schedulers
@@ -179,8 +180,26 @@ class ActiveCallManager(
     previousNotificationId = notificationId
 
     if (type != CallNotificationBuilder.TYPE_ESTABLISHED) {
-      val notification = CallNotificationBuilder.getCallInProgressNotification(application, type, Recipient.resolved(recipientId), isVideoCall, false)
+      val requiresAsyncNotificationLoad = Build.VERSION.SDK_INT <= 29
+
+      val notification = CallNotificationBuilder.getCallInProgressNotification(application, type, Recipient.resolved(recipientId), isVideoCall, requiresAsyncNotificationLoad)
       NotificationManagerCompat.from(application).notify(notificationId, notification)
+
+      if (requiresAsyncNotificationLoad) {
+        Single.fromCallable { CallNotificationBuilder.getCallInProgressNotification(application, type, Recipient.resolved(recipientId), isVideoCall, false) }
+          .subscribeOn(Schedulers.io())
+          .observeOn(AndroidSchedulers.mainThread())
+          .subscribe(object : SingleObserver<Notification> {
+            override fun onSuccess(t: Notification) {
+              if (NotificationManagerCompat.from(application).activeNotifications.any { n -> n.id == notificationId }) {
+                NotificationManagerCompat.from(application).notify(notificationId, notification!!)
+              }
+            }
+
+            override fun onSubscribe(d: Disposable) = Unit
+            override fun onError(e: Throwable) = Unit
+          })
+      }
     } else {
       ActiveCallForegroundService.start(application, recipientId, isVideoCall)
     }
@@ -274,7 +293,7 @@ class ActiveCallManager(
 
     @get:RequiresApi(30)
     override val serviceType: Int
-      get() = ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC
+      get() = ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC or ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE
 
     private var hangUpRtcOnDeviceCallAnswered: PhoneStateListener? = null
     private var notification: Notification? = null
diff --git a/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/WebRtcCallService.java b/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/WebRtcCallService.java
index 2cc363907f..bad1aca0f1 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/WebRtcCallService.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/WebRtcCallService.java
@@ -87,8 +87,12 @@ public final class WebRtcCallService extends Service implements SignalAudioManag
   private Disposable                      lastNotificationDisposable = Disposable.disposed();
   private boolean                         stopping                   = false;
 
+  private static boolean useActiveCallManager() {
+    return Build.VERSION.SDK_INT >= 34 || RemoteConfig.useActiveCallManager();
+  }
+
   public synchronized static void update(@NonNull Context context, int type, @NonNull RecipientId recipientId, boolean isVideoCall) {
-    if (RemoteConfig.useActiveCallManager()) {
+    if (useActiveCallManager()) {
       ActiveCallManager.update(context, type, recipientId, isVideoCall);
 
       return;
@@ -104,7 +108,7 @@ public final class WebRtcCallService extends Service implements SignalAudioManag
   }
 
   public static void denyCall(@NonNull Context context) {
-    if (RemoteConfig.useActiveCallManager()) {
+    if (useActiveCallManager()) {
       ActiveCallManager.denyCall();
       return;
     }
@@ -113,7 +117,7 @@ public final class WebRtcCallService extends Service implements SignalAudioManag
   }
 
   public static void hangup(@NonNull Context context) {
-    if (RemoteConfig.useActiveCallManager()) {
+    if (useActiveCallManager()) {
       ActiveCallManager.hangup();
       return;
     }
@@ -122,7 +126,7 @@ public final class WebRtcCallService extends Service implements SignalAudioManag
   }
 
   public synchronized static void stop(@NonNull Context context) {
-    if (RemoteConfig.useActiveCallManager()) {
+    if (useActiveCallManager()) {
       ActiveCallManager.stop();
       return;
     }
@@ -134,7 +138,7 @@ public final class WebRtcCallService extends Service implements SignalAudioManag
   }
 
   public synchronized static @NonNull PendingIntent denyCallIntent(@NonNull Context context) {
-    if (RemoteConfig.useActiveCallManager()) {
+    if (useActiveCallManager()) {
       return ActiveCallManager.denyCallIntent(context);
     }
 
@@ -142,7 +146,7 @@ public final class WebRtcCallService extends Service implements SignalAudioManag
   }
 
   public synchronized static @NonNull PendingIntent hangupIntent(@NonNull Context context) {
-    if (RemoteConfig.useActiveCallManager()) {
+    if (useActiveCallManager()) {
       return ActiveCallManager.hangupIntent(context);
     }
 
@@ -150,7 +154,7 @@ public final class WebRtcCallService extends Service implements SignalAudioManag
   }
 
   public synchronized static void sendAudioManagerCommand(@NonNull Context context, @NonNull AudioManagerCommand command) {
-    if (RemoteConfig.useActiveCallManager()) {
+    if (useActiveCallManager()) {
       ActiveCallManager.sendAudioManagerCommand(context, command);
       return;
     }
@@ -162,7 +166,7 @@ public final class WebRtcCallService extends Service implements SignalAudioManag
   }
 
   public synchronized static void changePowerButtonReceiver(@NonNull Context context, boolean register) {
-    if (RemoteConfig.useActiveCallManager()) {
+    if (useActiveCallManager()) {
       ActiveCallManager.changePowerButtonReceiver(context, register);
       return;
     }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/util/RemoteConfig.kt b/app/src/main/java/org/thoughtcrime/securesms/util/RemoteConfig.kt
index df06dc5854..8b42e12054 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/util/RemoteConfig.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/util/RemoteConfig.kt
@@ -961,7 +961,7 @@ object RemoteConfig {
   @JvmStatic
   @get:JvmName("useActiveCallManager")
   val useActiveCallManager: Boolean by remoteBoolean(
-    key = "android.calling.useActiveCallManager.5",
+    key = "android.calling.useActiveCallManager.6",
     defaultValue = false,
     hotSwappable = false
   )