/** * Use this to send a Bulk SMS. * * @param string $to List of phone numbers separated by commas. Max 1000 numbers. Numbers should start with a "+" and country code * @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 $notifyURL Your URL to recieve call notification * * @return string Transaction Reference * @throws HoiioException Error sending SMS to Hoiio API */ public function bulksms($to, $msg, $senderID = '', $tag = '', $notifyURL = '') { return SMSService::bulksms($this->appID, $this->accessToken, $to, $msg, $senderID, $tag, $notifyURL); }