diff --git a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
index 58a38cd5..55c8717c 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/BaresipService.kt
@@ -65,7 +65,6 @@ import androidx.core.content.ContextCompat
 import androidx.core.graphics.drawable.IconCompat
 import androidx.core.net.toUri
 import androidx.lifecycle.MutableLiveData
-import androidx.media.AudioFocusRequestCompat
 import com.tutpro.baresip.Utils.toCircle
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -2068,7 +2067,6 @@ class BaresipService: Service() {
         var dnsServers = listOf<InetAddress>()
         // <aor, password> of those accounts that have auth username without auth password
         val aorPasswords = mutableMapOf<String, String>()
-        var audioFocusRequest: AudioFocusRequestCompat? = null
         var aecAvailable = false
         private var aec: AcousticEchoCanceler? = null
         var agcAvailable = false
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Utils.kt b/app/src/main/kotlin/com/tutpro/baresip/Utils.kt
index fe3933f7..8fea284f 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Utils.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Utils.kt
@@ -859,14 +859,6 @@ object Utils {
         }
     }
 
-    fun isSpeakerPhoneOn(am: AudioManager): Boolean {
-        return if (Build.VERSION.SDK_INT >= 31)
-             am.communicationDevice!!.type == AudioDeviceInfo.TYPE_BUILTIN_SPEAKER
-        else
-            @Suppress("DEPRECATION")
-            am.isSpeakerphoneOn
-    }
-
     private fun setSpeakerPhone(executor: Executor, am: AudioManager, enable: Boolean) {
         if (Build.VERSION.SDK_INT >= 31) {
             val current = am.communicationDevice!!.type
@@ -895,7 +887,7 @@ object Utils {
                     Log.d(TAG, "Setting com device to TYPE_BUILTIN_EARPIECE")
                     if (!am.setCommunicationDevice(speakerDevice))
                         Log.e(TAG, "Could not set com device")
-                    if (BaresipService.audioFocusRequest != null && am.mode == AudioManager.MODE_NORMAL) {
+                    if (Call.inCall() && am.mode == AudioManager.MODE_NORMAL) {
                         Log.d(TAG, "Setting mode to communication")
                         am.mode = AudioManager.MODE_IN_COMMUNICATION
                     }
@@ -945,18 +937,6 @@ object Utils {
         }
     }
 
-    @RequiresApi(Build.VERSION_CODES.S)
-    fun setCommunicationDevice(am: AudioManager, type: Int) {
-        val current = am.communicationDevice!!.type
-        Log.d(TAG, "Current com dev/mode $current/${am.mode}")
-        for (device in am.availableCommunicationDevices)
-            if (device.type == type) {
-                am.setCommunicationDevice(device)
-                break
-            }
-        Log.d(TAG, "New com dev/mode ${am.communicationDevice!!.type}/${am.mode}")
-    }
-
     private fun clearCommunicationDevice(am: AudioManager) {
         if (Build.VERSION.SDK_INT >= 31) {
             am.clearCommunicationDevice()