@Override
  public void messageReceived(ChatRoomMessageReceivedEvent evt) {
    if (isSMSEnabled) return;

    // ignore non conversation messages
    if (evt.getEventType() != ChatRoomMessageReceivedEvent.CONVERSATION_MESSAGE_RECEIVED) return;

    handle(
        evt, evt.getSourceChatRoom().getParentProvider(), evt.getSourceChatRoom().getIdentifier());
  }