public function sendSms(Sms $sms)
 {
     $recipient = $sms->getRecipient();
     $recipient = str_replace(array('-', ' '), '', $recipient);
     $message = mb_convert_encoding($sms->getMessage(), 'UTF-8', 'ISO-8859-1');
     $request = new \stdClass();
     $request->User = $this->getUsername();
     $request->Password = $this->getPassword();
     $request->Recipient = $recipient;
     $request->Sender = '';
     $request->SMSText = $message;
     $request->SmsTyp = 'Standard';
     $request->SendDate = '';
     return $this->sendClient->SendSimpleSMS($request);
 }