public static void Unloader()
 {
     lock (lockObj)
     {
         if (instance != null)
         {
             instance.Dispose();
             instance = null;
         }
     }
 }
 public static void Loader(MyPhonePlugins.IMyPhoneCallHandler callHandler)
 {
     instance = new ProjectKoraiTelephonyPlugin(callHandler);
     instance.StartServiceAsync();
 }