<?xml version="1.0" encoding="UTF-8"?>
<s:Envelope s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
  <s:Body>
    <u:GetProtocolInfoResponse xmlns:u="urn:schemas-upnp-org:service:ConnectionManager:1">
      <Source></Source>
      <Sink></Sink>
    </u:GetProtocolInfoResponse>
  </s:Body>
</s:Envelope>