Introduced in LCS 2005 SP1 and continued in OCS 2007, Public IM Connectivity (PIC) provides organizations the ability to federate with MSN, AOL, and Yahoo! IM users. There are a few things that are useful to know about the provisioning process before you get started. Before you can even begin, you must...
Licensing of software products can be quite confusing, but hopefully this post clears up licensing for OCS specifically. In general, there are 3 items you need to license for OCS - server, CALs, and Communicator. Each can be purchased a different way. Lastly, there are options for External Connector...