diff --git a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
index 14a6cdcd..db664620 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
@@ -1755,7 +1755,8 @@ class BaresipService: Service() {
         var type = 0
         if (VERSION.SDK_INT >= 30) {
             type = type or ServiceInfo.FOREGROUND_SERVICE_TYPE_PHONE_CALL
-            type = type or ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE
+            if (ContextCompat.checkSelfPermission(this, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED)
+                type = type or ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE
         }
         if (VERSION.SDK_INT >= 34) {
             type = type or ServiceInfo.FOREGROUND_SERVICE_TYPE_SPECIAL_USE
@@ -1789,7 +1790,7 @@ class BaresipService: Service() {
         val peerUri = call.peerUri
         val callp = call.callp
 
-        val callerNumber = peerUri.split(":")[1].split("@")[0]
+        val callerNumber = Utils.uriUserPart(peerUri)
         if (shouldStartRinging(callerNumber))
             startRinging()
 
@@ -1841,8 +1842,7 @@ class BaresipService: Service() {
                 .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
                 .setPriority(NotificationCompat.PRIORITY_MAX)
 
-            if (VERSION.SDK_INT < 34 || nm.canUseFullScreenIntent())
-                nb.setFullScreenIntent(pi, true)
+            nb.setFullScreenIntent(pi, true)
 
             val answerIntent = Intent(applicationContext, MainActivity::class.java)
                 .putExtra("action", "call answer")