There's a LifeSize installation next door, and they wanted to be able to record the HiDef video for archives. Saw the manual (pdf, 723 kB) and it says the way to record is using a Standard Def video out. Checked it out, was giving a blurry PAL signal at something like 15 fps. Nothing like the 1280x720 30 fps output on the VGA out. Their tech support email said pretty much the same thing.
Tried connecting to the box using NetMeeting, since it supports H.323 and SIP. NetMeeting only got us 320x240 video with 10fps or so.
Have to try Mizuphone SIP client next, running a local SIP server.