diff --git a/app/src/main/kotlin/com/tutpro/baresip/ConnectionService.kt b/app/src/main/kotlin/com/tutpro/baresip/ConnectionService.kt
index b9bbccb1..ee4fa1b7 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/ConnectionService.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/ConnectionService.kt
@@ -69,8 +69,7 @@ class ConnectionService : ConnectionService() {
                 Connection.CAPABILITY_HOLD or
                 Connection.CAPABILITY_MERGE_CONFERENCE or
                 Connection.CAPABILITY_SWAP_CONFERENCE
-        if (android.os.Build.VERSION.SDK_INT >= 31)
-            connection.audioModeIsVoip = true
+        connection.audioModeIsVoip = true
 
         val call = Call.ofCallp(callp)
         if (call != null)
@@ -124,8 +123,7 @@ class ConnectionService : ConnectionService() {
                 Connection.CAPABILITY_HOLD or
                 Connection.CAPABILITY_MERGE_CONFERENCE or
                 Connection.CAPABILITY_SWAP_CONFERENCE
-        if (android.os.Build.VERSION.SDK_INT >= 31)
-            connection.audioModeIsVoip = true
+        connection.audioModeIsVoip = true
 
         // Start the SIP connection logic
         if (uap != 0L) {