code: public function post(Request $request)
  	{
  		$this->emit('message.send', array($request->xml()));
  		$response = $this->connector->post($request);
  		$this->emit('message.recv', array($response));
  
  		try {
  			return $this->parseXml($response);
  		} catch (InvalidXMLException $e) {
  			throw new InvalidNcipResponseException(
  				'Invalid response received from the NCIP service "' .
  				$this->connector->url . '": ' . $response
  			);
  		}
  	}
docs: Make a POST request to the NCIP server and return the response
  
  @param  Request
  @return Danmichaelo\QuiteSimpleXMLElement\QuiteSimpleXMLElement