<?xml version="1.0" encoding="UTF-8"?>
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope"
    xmlns:soapenc="http://www.w3.org/2003/05/soap-encoding"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tt="http://www.onvif.org/ver10/schema"
    xmlns:tds="http://www.onvif.org/ver10/device/wsdl"
    xmlns:trt="http://www.onvif.org/ver10/media/wsdl"
    xmlns:timg="http://www.onvif.org/ver20/imaging/wsdl"
    xmlns:tev="http://www.onvif.org/ver10/events/wsdl"
    xmlns:tptz="http://www.onvif.org/ver20/ptz/wsdl"
    xmlns:tan="http://www.onvif.org/ver20/analytics/wsdl"
    xmlns:tst="http://www.onvif.org/ver10/storage/wsdl" xmlns:ter="http://www.onvif.org/ver10/error"
    xmlns:dn="http://www.onvif.org/ver10/network/wsdl"
    xmlns:tns1="http://www.onvif.org/ver10/topics"
    xmlns:tmd="http://www.onvif.org/ver10/deviceIO/wsdl"
    xmlns:wsdl="http://schemas.xmlsoap.org/wsdl"
    xmlns:wsoap12="http://schemas.xmlsoap.org/wsdl/soap12"
    xmlns:http="http://schemas.xmlsoap.org/wsdl/http"
    xmlns:d="http://schemas.xmlsoap.org/ws/2005/04/discovery"
    xmlns:wsadis="http://schemas.xmlsoap.org/ws/2004/08/addressing"
    xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2" xmlns:wsa="http://www.w3.org/2005/08/addressing"
    xmlns:wstop="http://docs.oasis-open.org/wsn/t-1"
    xmlns:wsrf-bf="http://docs.oasis-open.org/wsrf/bf-2"
    xmlns:wsntw="http://docs.oasis-open.org/wsn/bw-2"
    xmlns:wsrf-rw="http://docs.oasis-open.org/wsrf/rw-2"
    xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl"
    xmlns:wsrf-r="http://docs.oasis-open.org/wsrf/r-2"
    xmlns:trc="http://www.onvif.org/ver10/recording/wsdl"
    xmlns:tse="http://www.onvif.org/ver10/search/wsdl"
    xmlns:trp="http://www.onvif.org/ver10/replay/wsdl"
    xmlns:tnshik="http://www.hikvision.com/2011/event/topics"
    xmlns:hikwsd="http://www.onvifext.com/onvif/ext/ver10/wsdl"
    xmlns:hikxsd="http://www.onvifext.com/onvif/ext/ver10/schema"
    xmlns:tas="http://www.onvif.org/ver10/advancedsecurity/wsdl"
    xmlns:tr2="http://www.onvif.org/ver20/media/wsdl"
    xmlns:axt="http://www.onvif.org/ver20/analytics">
    <env:Body>
        <env:Fault>
            <env:Code>
                <env:Value>env:Receiver</env:Value>
                <env:Subcode>
                    <env:Value>ter:ActionNotSupported</env:Value>
                    <env:Subcode>
                        <env:Value>ter:InvalidOperation</env:Value>
                    </env:Subcode>
                </env:Subcode>
            </env:Code>
            <env:Reason>
                <env:Text xml:lang="en">Optional Action Not Implemented</env:Text>
            </env:Reason>
        </env:Fault>
    </env:Body>
</env:Envelope>