Added InCallService

app/src/main/java/com/tutpro/baresip/InCallService.kt

@@ -0,0 +1,14 @@
+package com.tutpro.baresip
+
+import android.app.Service
+import android.content.Intent
+import android.os.IBinder
+
+// This is needed in order to allow choosing baresip as default Phone app
+
+class InCallService : Service() {
+
+    override fun onBind(intent: Intent): IBinder {
+        TODO("Return the communication channel to the service.")
+    }
+}