public function can_monitor()
{
$write = array(implode("\r\n", array('action: Monitor', 'actionid: 1432.123', 'channel: channel', 'mix: true', 'format: wav', 'file: file', '')));
$action = new \PAMI\Message\Action\MonitorAction('channel', 'file');
$client = $this->_start($write, $action);
}