oddbit/sonosjs

<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"
            s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
    <s:Body>
        <u:SetMute xmlns:u="urn:schemas-upnp-org:service:RenderingControl:1">
            <InstanceID>0</InstanceID>
            <Channel>Master</Channel>
            <DesiredMute>0</DesiredMute>
        </u:SetMute>
    </s:Body>
</s:Envelope>