http://blogs.technet.com/b/toninof/archive/2010/01/12/office-communicator-sip-trace-multiple-points-of-presence.aspxDuring my work on OCS engagements, I’ve already seen situations where OCS admins would start successful trace of SIP sessions (IM, voice calls, conferences, etc) but at one point they would be “lost” in that bunch of SIP packets in the log. In short en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)