public function can_hangup_with_cause()
{
$write = array(implode("\r\n", array('action: Hangup', 'actionid: 1432.123', 'channel: channel', 'cause: 5', '')));
$action = new \PAMI\Message\Action\HangupAction('channel', 5);
$client = $this->_start($write, $action);
}