diff --git a/app/build.gradle b/app/build.gradle
index 272e09b4c..3dcc79e6f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,7 +10,7 @@ static def firebaseEnabled() {
 }
 
 task getGitVersion() {
-    def gitVersion = "4.4.1"
+    def gitVersion = "4.4.2"
     def gitVersionStream = new ByteArrayOutputStream()
     def gitCommitsCount = new ByteArrayOutputStream()
     def gitCommitHash = new ByteArrayOutputStream()
@@ -100,7 +100,7 @@ android {
     defaultConfig {
         minSdkVersion 23
         targetSdkVersion 29
-        versionCode 4401
+        versionCode 4402
         versionName "${project.version}"
         applicationId getPackageName()
         multiDexEnabled true
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 05f552aef..807bd1582 100755
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -215,6 +215,12 @@
             android:name=".service.LinphoneService"
             android:label="@string/service_name" />
 
+        <service
+            android:name="org.linphone.core.tools.service.CoreService"
+            android:foregroundServiceType="phoneCall"
+            android:stopWithTask="false"
+            android:label="@string/app_name" />
+
         <service
             android:name=".sync.SyncService"
             android:exported="true">
diff --git a/app/src/main/java/org/linphone/LinphoneManager.java b/app/src/main/java/org/linphone/LinphoneManager.java
index d71104c9c..82e47236e 100644
--- a/app/src/main/java/org/linphone/LinphoneManager.java
+++ b/app/src/main/java/org/linphone/LinphoneManager.java
@@ -371,6 +371,12 @@ public class LinphoneManager implements SensorEventListener {
 
         mCore.migrateLogsFromRcToDb();
 
+        // Migration code
+        if (mCore.getConfig().getBool("app", "incoming_call_vibration", true)) {
+            mCore.setVibrationOnIncomingCallEnabled(true);
+            mCore.getConfig().setBool("app", "incoming_call_vibration", false);
+        }
+
         // Migrate existing linphone accounts to have conference factory uri and LIME X3Dh url set
         String uri = getString(R.string.default_conference_factory_uri);
         for (ProxyConfig lpc : mCore.getProxyConfigList()) {
diff --git a/app/src/main/java/org/linphone/compatibility/ApiTwentyOnePlus.java b/app/src/main/java/org/linphone/compatibility/ApiTwentyOnePlus.java
index f72a344dd..761830adb 100644
--- a/app/src/main/java/org/linphone/compatibility/ApiTwentyOnePlus.java
+++ b/app/src/main/java/org/linphone/compatibility/ApiTwentyOnePlus.java
@@ -26,7 +26,6 @@ import android.app.PendingIntent;
 import android.content.ContentProviderClient;
 import android.content.Context;
 import android.graphics.Bitmap;
-import android.os.Vibrator;
 import android.view.WindowManager;
 import androidx.core.content.ContextCompat;
 import org.linphone.R;
@@ -243,9 +242,4 @@ class ApiTwentyOnePlus {
             activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
         }
     }
-
-    public static void vibrate(Vibrator vibrator) {
-        long[] pattern = {0, 1000, 1000};
-        vibrator.vibrate(pattern, 1);
-    }
 }
diff --git a/app/src/main/java/org/linphone/compatibility/ApiTwentySixPlus.java b/app/src/main/java/org/linphone/compatibility/ApiTwentySixPlus.java
index 8d58f9e71..edac738a4 100644
--- a/app/src/main/java/org/linphone/compatibility/ApiTwentySixPlus.java
+++ b/app/src/main/java/org/linphone/compatibility/ApiTwentySixPlus.java
@@ -33,10 +33,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
-import android.media.AudioAttributes;
 import android.os.Build;
-import android.os.VibrationEffect;
-import android.os.Vibrator;
 import android.provider.Settings;
 import android.widget.RemoteViews;
 import org.linphone.R;
@@ -334,15 +331,4 @@ class ApiTwentySixPlus {
             activity.enterPictureInPictureMode();
         }
     }
-
-    public static void vibrate(Vibrator vibrator) {
-        long[] timings = {0, 1000, 1000};
-        int[] amplitudes = {0, VibrationEffect.DEFAULT_AMPLITUDE, 0};
-        VibrationEffect effect = VibrationEffect.createWaveform(timings, amplitudes, 1);
-        AudioAttributes audioAttrs =
-                new AudioAttributes.Builder()
-                        .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
-                        .build();
-        vibrator.vibrate(effect, audioAttrs);
-    }
 }
diff --git a/app/src/main/java/org/linphone/compatibility/Compatibility.java b/app/src/main/java/org/linphone/compatibility/Compatibility.java
index 9b421d576..f8d189bc8 100644
--- a/app/src/main/java/org/linphone/compatibility/Compatibility.java
+++ b/app/src/main/java/org/linphone/compatibility/Compatibility.java
@@ -30,7 +30,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Build;
-import android.os.Vibrator;
 import android.provider.Settings;
 import android.service.notification.StatusBarNotification;
 import org.linphone.core.Address;
@@ -327,12 +326,4 @@ public class Compatibility {
 
         return new StatusBarNotification[0];
     }
-
-    public static void vibrate(Vibrator vibrator) {
-        if (Version.sdkAboveOrEqual(Version.API26_O_80)) {
-            ApiTwentySixPlus.vibrate(vibrator);
-        } else {
-            ApiTwentyOnePlus.vibrate(vibrator);
-        }
-    }
 }
diff --git a/app/src/main/java/org/linphone/settings/LinphonePreferences.java b/app/src/main/java/org/linphone/settings/LinphonePreferences.java
index 48fb666e9..1e412c1bc 100644
--- a/app/src/main/java/org/linphone/settings/LinphonePreferences.java
+++ b/app/src/main/java/org/linphone/settings/LinphonePreferences.java
@@ -1152,13 +1152,12 @@ public class LinphonePreferences {
     }
 
     public boolean isIncomingCallVibrationEnabled() {
-        if (getConfig() == null) return true;
-        return getConfig().getBool("app", "incoming_call_vibration", true);
+        if (getLc() == null) return false;
+        return getLc().isVibrationOnIncomingCallEnabled();
     }
 
     public void enableIncomingCallVibration(boolean enable) {
-        if (getConfig() == null) return;
-        getConfig().setBool("app", "incoming_call_vibration", enable);
+        getLc().setVibrationOnIncomingCallEnabled(enable);
     }
 
     public boolean isBisFeatureEnabled() {