function sendMMS($login, $secret, $sender, $recipient, $message, $files) {
      $client = new SoapClient("https://backoffice.voipinnovations.com/Services/APIService.asmx?WSDL", array('soap_version' => SOAP_1_2));
      return $client->__soapCall("SendMMS", array($login, $secret, $sender, $recipient, $message, $files));
    }