def send_all wait = true
      cmd_envia

      if wait
        wait_for last_label
        return false if @response_cmd.eql? 'NOOK'
        return "#{@response_args[0]}.#{@response_args[1]}".to_f
      end
    end
def send_all wait = true
      cmd_envia

      if wait
        wait_for last_label
        return false if @response_cmd.eql? 'NOOK'
        return "#{@response_args[0]}.#{@response_args[1]}".to_f
      end
    end
Send message/file to the massive send list