public function can_atxfer()
{
$write = array(implode("\r\n", array('action: Atxfer', 'actionid: 1432.123', 'channel: channel', 'exten: exten', 'context: context', 'priority: priority', '')));
$action = new \PAMI\Message\Action\AttendedTransferAction('channel', 'exten', 'context', 'priority');
$client = $this->_start($write, $action);
}