sip_session2: don't mistake MSRPChat for MSRPFileTransfer

darcs-hash:20090430095624-b2873-499da22ad16e13a8a5e83111abbe43a125fc2201
desktopstream: use color depth and client command settings

darcs-hash:20090430103340-b2873-1935d844b61d5ff03ad594723409a5e4d330a60f