Back in June at TechEd in Orlando, we demo'd an Office Communicator Vista gadget in the Unified Communications booth. I also had a breakout session in which we discussed how to build Vista gadgets using WPF and where we went through the gadget and...
The Microsoft Office Communicator 2007 SDK allows you to automate a running instance of Office Communicator 2007 to integrate Communicator functionality into your applications. There are a bunch of other SDKs that the Unified Communication team puts out...