The best I can give you is this link (partners only):
http://www.cisco.com/web/partners/sell/technology/ipc/integrated-solutions/uca.html
MeetingPlace 7 is not nearly as bad as 6 was so I would disregard any design/requirements information you see for version 6 or lower.
Be advised that this product line is still evolving. Expect changes to occur in future versions. You need to have a NDA discussion with your CAM for details beyond that.