Get ready for OCS R2 install the October 2008 Update for Communicator for all your existing OCS 2007 users.
see the blog-post by Tom Laciano - Sr. Program Manager
http://communicationsserverteam.com/archive/2008/11/04/320.aspx
Btw: Communicator client update should be possibly from OCS R2 server, thats a very nice feature.
