HTTP/1.1 500 Internal Server Error Content-Type: text/xml; charset="utf-8" Connection: close Content-Length: 398 Server: OS 1.0 UPnP/1.0 Realtek/V1.0 Ext: <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><s:Fault><faultcode>s:Client</faultcode><faultstring>UPnPError</faultstring><detail><UPnPError xmlns="urn:schemas-upnp-org:control-1-0"><errorCode>401</errorCode><errorDescription>Invalid Action</errorDescription></UPnPError></detail></s:Fault></s:Body></s:Envelope>