http://blogs.technet.com/matthewms/archive/2008/10/29/is-your-laptop-your-phone.aspxFor one of my teammates, John Weston, his laptop is his phone.  John recorded a couple of fantastic sessions that he delivered at the Dallas AITP(Association of IT professionals) around Unified Communications.  In the two screencasts he discussesen-USCommunityServer 2.1 SP1 (Build: 61025.2)