@Override
 public void exitFromChatMode(String number) {
   Logger.d(TAG, "exitFromChatMode() entry, number " + number);
   if (PluginUtils.getMessagingMode() == 0) {
     if (number.startsWith(IpMessageConsts.JOYN_START)) {
       number = number.substring(4);
     }
   }
   Message controllerMessage =
       PluginController.obtainMessage(
           ChatController.EVENT_HIDE_WINDOW, PhoneUtils.formatNumberToInternational(number));
   controllerMessage.sendToTarget();
   super.exitFromChatMode(number);
 }
 @Override
 public void enterChatMode(String number) {
   Logger.d(TAG, "enterChatMode() entry, number " + number);
   if (PluginUtils.getMessagingMode() == 0) {
     if (number.startsWith(IpMessageConsts.JOYN_START)) {
       number = number.substring(4);
     }
   }
   Message controllerMessage =
       PluginController.obtainMessage(
           ChatController.EVENT_SHOW_WINDOW, PhoneUtils.formatNumberToInternational(number));
   controllerMessage.sendToTarget();
   if ((PluginUtils.getMessagingMode() == 1) && (PluginUtils.translateThreadId(number) == 1)) {
     Logger.v(TAG, "enterChatMode(), open Window = " + number);
     Intent intent = new Intent(InvitationDialog.ACTION);
     intent.putExtra(RcsNotification.CONTACT, number);
     intent.putExtra(InvitationDialog.KEY_STRATEGY, InvitationDialog.STRATEGY_IPMES_SEND_BY_SMS);
     intent.putExtra("showDialog", true);
     intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
     AndroidFactory.getApplicationContext().startActivity(intent);
   }
   super.enterChatMode(number);
 }