While Session Initiation Protocol (SIP) is still the primary control protocol used by Office Communications Server 2007 R2, Web Conferencing Server, A/V Conferencing Server, and their subcomponents, they also employ other protocols to set up and modify conferences and to set up and break down media streams between different elements in the Office Communications Server2007 R2 network. The following protocols are employed by Office Communications Server 2007 R2:

For detailed specifications for Office Communications Server protocols, including several of those listed in this topic, see “Microsoft Office Protocol Documents” at http://go.microsoft.com/fwlink/?LinkId=158438 .

See Also