Hi Craig,
I do a great deal video conferencing from home using NetMeeting. I seem to remember reading that with IE5 and Office2000, Microsoft was extending the NetMeeting product to be more than just an enduser web tool. Also, at a former job we used a much older version of NetMeeting on an intranet webserver with great success. So maybe this could be something to look into.
Roxanne M. Seibert
Independent Consultant, VFP MCP
Code Monkey Like Fritos