diff --git a/app/src/main/kotlin/com/tutpro/baresip/BootCompletedReceiver.kt b/app/src/main/kotlin/com/tutpro/baresip/BootCompletedReceiver.kt
index 3e6da5b3..a9bbfa9e 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/BootCompletedReceiver.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/BootCompletedReceiver.kt
@@ -1,23 +1,15 @@
 package com.tutpro.baresip
 
 import android.annotation.SuppressLint
-import android.app.NotificationChannel
-import android.app.NotificationManager
-import android.app.PendingIntent
-import android.app.Service
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
-import android.os.Build
 import android.os.Bundle
-import androidx.core.app.NotificationCompat
 
 import java.nio.charset.StandardCharsets
 
 class BootCompletedReceiver : BroadcastReceiver() {
 
-    private val START_NOTIFICATION_IN = 105
-
     @SuppressLint("UnspecifiedImmutableFlag")
     override fun onReceive(context: Context, intent: Intent) {
 
@@ -28,34 +20,14 @@ class BootCompletedReceiver : BroadcastReceiver() {
         val asCv = Utils.getNameValue(config,"auto_start")
 
         if ((asCv.size > 0) && (asCv[0] == "yes")) {
-
             Log.i(TAG, "Start baresip upon boot completed")
-
             val i = Intent(context, MainActivity::class.java).apply {
                 addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                 val b = Bundle()
                 b.putBoolean("onStartup", true)
                 putExtras(b)
             }
-
-            if (Build.VERSION.SDK_INT < 29) {
-                context.startActivity(i)
-            } else {
-                val nm = context.getSystemService(Service.NOTIFICATION_SERVICE) as NotificationManager
-                val channel = NotificationChannel("default", "default",
-                        NotificationManager.IMPORTANCE_DEFAULT)
-                nm.createNotificationChannel(channel)
-                val pi = PendingIntent.getActivity(context, 0, i,
-                    PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_ONE_SHOT)
-                with(NotificationCompat.Builder(context, "default")) {
-                    setSmallIcon(R.drawable.ic_stat)
-                    setContentTitle(context.getString(R.string.app_name))
-                    setContentText(context.getString(R.string.tap_to_start))
-                    setContentIntent(pi)
-                    setAutoCancel(true)
-                    nm.notify(START_NOTIFICATION_IN, build())
-                }
-            }
+            context.startActivity(i)
         }
 
     }
diff --git a/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
index 7f557c67..02e782b7 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
@@ -10,11 +10,18 @@ import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Bundle
 import android.os.PowerManager
+import android.provider.Settings
 import android.text.method.LinkMovementMethod
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
-import android.widget.*
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.CheckBox
+import android.widget.EditText
+import android.widget.ScrollView
+import android.widget.Spinner
+import android.widget.TextView
 import androidx.activity.OnBackPressedCallback
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts
@@ -29,7 +36,7 @@ import com.tutpro.baresip.Utils.showSnackBar
 import com.tutpro.baresip.databinding.ActivityConfigBinding
 import java.io.File
 import java.io.FileInputStream
-import java.util.*
+import java.util.Locale
 
 class ConfigActivity : AppCompatActivity() {
 
@@ -59,6 +66,7 @@ class ConfigActivity : AppCompatActivity() {
 
     private var oldAutoStart = ""
     private var oldListenAddr = ""
+    private var managingOverlayPermission = false
     private var oldDnsServers = ""
     private var oldCertificateFile = false
     private var oldVerifyServer = false
@@ -95,6 +103,41 @@ class ConfigActivity : AppCompatActivity() {
         autoStart = binding.AutoStart
         oldAutoStart = Config.variable("auto_start")
         autoStart.isChecked = oldAutoStart == "yes"
+        if (autoStart.isChecked && !isAppearOnTopPermissionGranted(this)) {
+            Config.replaceVariable("auto_start", "no")
+            oldAutoStart = "no"
+            save = true
+            autoStart.isChecked = false
+        }
+        autoStart.setOnCheckedChangeListener { _, isChecked ->
+            if (isChecked) {
+                if (!isAppearOnTopPermissionGranted(this)) {
+                    with(
+                        MaterialAlertDialogBuilder(
+                            this@ConfigActivity,
+                            R.style.AlertDialogTheme
+                        )
+                    ) {
+                        setTitle(getText(R.string.notice))
+                        setMessage(getText(R.string.appear_on_top_permission))
+                        setPositiveButton(getText(R.string.ok)) { dialog, _ ->
+                            dialog.dismiss()
+                            managingOverlayPermission = true
+                            val intent = Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION)
+                            startActivity(intent)
+                        }
+                        setNegativeButton(getText(R.string.cancel)) { dialog, _ ->
+                            dialog.dismiss()
+                        }
+                        val dialog = this.create()
+                        dialog.setCancelable(false)
+                        dialog.setCanceledOnTouchOutside(false)
+                        dialog.show()
+                    }
+                    autoStart.isChecked = false
+                }
+            }
+        }
 
         val pm = getSystemService(Context.POWER_SERVICE) as PowerManager
         val androidSettingsRequest = registerForActivityResult(
@@ -436,6 +479,14 @@ class ConfigActivity : AppCompatActivity() {
 
     }
 
+    override fun onResume() {
+        super.onResume()
+        if (managingOverlayPermission) {
+            managingOverlayPermission = false
+            autoStart.isChecked = isAppearOnTopPermissionGranted(this)
+        }
+    }
+
     override fun onStart() {
         super.onStart()
         requestPermissionLauncher =
@@ -636,6 +687,10 @@ class ConfigActivity : AppCompatActivity() {
 
     }
 
+    private fun isAppearOnTopPermissionGranted(ctx: Context): Boolean {
+        return Settings.canDrawOverlays(ctx)
+    }
+
     private fun done() {
 
         if (save)
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index 1326cc7b..0f3a0e44 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -306,6 +306,8 @@
     <string name="start_automatically">Käynnistä automaattisesti</string>
     <string name="start_automatically_help">Jos merkitty, baresip
     käynnistyy automaattisesti, kun laite käynnistyy.</string>
+    <string name="appear_on_top_permission">Automaattinen käynnistys vaatii "Näytä päällimmäisenä"
+        käyttöoikeuden.</string>
     <string name="battery_optimizations">Akun käytön optimointi</string>
     <string name="battery_optimizations_help">Ota akun käytön optimointi pois päältä (suositeltu),
         jos haluat vähentää todennäköisyyttä, että Android rajoittaa baresip-sovelluksen toimintaa
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1eab74fa..17fcbb1d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -288,6 +288,7 @@
     <string name="configuration">Settings</string>
     <string name="start_automatically">Start Automatically</string>
     <string name="start_automatically_help">If checked, baresip starts automatically after device (re)start.</string>
+    <string name="appear_on_top_permission">Automatic start needs Appear on Top permission.</string>
     <string name="battery_optimizations">Battery Optimizations</string>
     <string name="battery_optimizations_help">Disable battery optimizations (recommended) if you want
         to reduce likelihood that Android restricts baresip\'s access to network or enters baresip