diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 807bd1582..0948ed057 100755
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -216,7 +216,7 @@
             android:label="@string/service_name" />
 
         <service
-            android:name="org.linphone.core.tools.service.CoreService"
+            android:name=".service.CoreService"
             android:foregroundServiceType="phoneCall"
             android:stopWithTask="false"
             android:label="@string/app_name" />
diff --git a/app/src/main/java/org/linphone/service/CoreService.java b/app/src/main/java/org/linphone/service/CoreService.java
new file mode 100644
index 000000000..96f4ecc2b
--- /dev/null
+++ b/app/src/main/java/org/linphone/service/CoreService.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2010-2021 Belledonne Communications SARL.
+ *
+ * This file is part of linphone-android
+ * (see https://www.linphone.org).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.linphone.service;
+
+import android.app.Notification;
+import androidx.core.app.NotificationCompat;
+import org.linphone.R;
+
+public class CoreService extends org.linphone.core.tools.service.CoreService {
+    @Override
+    public void createServiceNotification() {
+        mServiceNotification =
+                new NotificationCompat.Builder(this, SERVICE_NOTIFICATION_CHANNEL_ID)
+                        .setContentTitle(SERVICE_NOTIFICATION_TITLE)
+                        .setContentText(SERVICE_NOTIFICATION_CONTENT)
+                        .setSmallIcon(getApplicationInfo().icon)
+                        .setAutoCancel(false)
+                        .setCategory(Notification.CATEGORY_SERVICE)
+                        .setVisibility(NotificationCompat.VISIBILITY_SECRET)
+                        .setWhen(System.currentTimeMillis())
+                        .setShowWhen(true)
+                        .setOngoing(true)
+                        .setSmallIcon(R.drawable.linphone_notification_icon)
+                        .build();
+    }
+}