<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:typ="http://www.nortel.com/soa/oi/OpenQ/types">
   <soapenv:Header/>
   <soapenv:Body>
      <typ:AddDefaultTreatmentListenerResponse>
         <typ:SubscriptionRef>?</typ:SubscriptionRef>
      </typ:AddDefaultTreatmentListenerResponse>
   </soapenv:Body>
</soapenv:Envelope>