SOAP::Lite - deserialize - start decoding:
<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope 
    soap:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" 
    xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" 
    xmlns:tron="http://pts.ecce-terram.de/TRONServer" 
    xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <soap:Body>
    <pingResponse xmlns="TRONServer">
      <numerPlusOne xsi:type="xsd:int">43</numerPlusOne>
    </pingResponse>
  </soap:Body>
</soap:Envelope>