/**
* Use this to send a SMS.
*
* @param string $to Destination number
* @param string $msg SMS message
* @param string $senderID Sender ID (you need to request from Hoiio for this feature)
* @param string $tag Your own reference ID
* @param string $notifyURL Your URL to recieve call notification
*
* @return string Transaction Reference
* @throws HoiioException Error sending SMS to Hoiio API
*/
public function sms($to, $msg, $senderID = '', $tag = '', $notifyURL = '')
{
return SMSService::sms($this->appID, $this->accessToken, $to, $msg, $senderID, $tag, $notifyURL);
}
