/**
  * @param int $orderId
  * @param int $timestamp
  * @return mixed
  * @throws InkRouter_Exceptions_InkRouterNotAvailableException|InkRouter_Exceptions_AuthenticationException|InkRouter_Exceptions_ProcessingException|InkRouter_Exceptions_RejectionException
  */
 public function removeHold($orderId, $timestamp)
 {
     $this->connect();
     try {
         return $this->soapClient->removeHold(array('arg0' => $this->printCustomerId, 'arg1' => $this->secretKey, 'arg2' => $orderId, 'arg3' => $timestamp))->return;
     } catch (SoapFault $e) {
         throw InkRouter_Exceptions_SoapFaultAdapter::valueOf($e)->getException();
     }
 }