OCS 2007 R2 Architecture Poster

If you haven’t already seen this elsewhere this is worth checking out. This architecture poster does a great job of showing in detail the signaling used within OCS 2007 R2.It was created by the same people that wrote OCS 2007 R2 Resource Kit.

http://www.microsoft.com/downloads/details.aspx?FamilyID=AF2C17CB-207C-4C52-8811-0ACA6DFADC94&displaylang=en