public override Connection onCreateIncomingConnection(PhoneAccountHandle connectionManagerPhoneAccount, ConnectionRequest request)
 {
     Log.i(TAG, "onCreateIncomingConnection60");
     //Log.i(TAG, connectionManagerPhoneAccount.toString());
     //Log.i(TAG, request.toString());
     return(base.OnCreateIncomingConnection(connectionManagerPhoneAccount, request));
 }
        //テレコムサブシステムは、アプリの呼び出しに応じてこのメソッドを呼び出しplaceCall(Uri, Bundle) 、新しい発信通話を作成します
        public override Connection OnCreateOutgoingConnection(PhoneAccountHandle connectionManagerPhoneAccount, ConnectionRequest request)
        {
            Connection connection = base.OnCreateOutgoingConnection(connectionManagerPhoneAccount, request);

            Log.d(TAG, connection.getDisconnectCause().getReason());
            return(connection);
        }
 //アプリがplaceCall(Uri, Bundle)メソッドを呼び出し、発信呼び出しを行うことができない場合、テレコムサブシステムはこのメソッドを呼び出します。
 public override void OnCreateOutgoingConnectionFailed(PhoneAccountHandle connectionManagerPhoneAccount, ConnectionRequest request)
 {
     if (request != null)
     {
         //Log.d(TAG, request.toString());
     }
     base.OnCreateOutgoingConnectionFailed(connectionManagerPhoneAccount, request);
 }