Message about the configuration capability for switching between the private protocol and the standard SIP in XML format.
<IntercomProtocolType version="2.0" xmlns="http://www.isapi.org/ver20/XMLSchema"> <protocolType opt="Private, StandardSIP"><!--required, xs:string, protocol type: "Private"-private video intercom protocol, "StandardSIP"-standard SIP protocol--></protocolType> </IntercomProtocolType>