Clearone INTERACT AT-OC is a complete audio system with HDcon-ferencing features for the highest quality sound available for group conferencing with Microsoft Office Communicator. The system includes a conference mixer, USB/handset connection interface, 2 high performance loudspeakers, 2 tabletop microphones with 360 degree pickup, and a table-top dialer to control the conference. INTERACT AT-OC easily connects to PCs, CD players, and DVD players to optimize the collaboration experience in any conference room.

More info in the new Unified Communications Phones and Peripherals Datasheet
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=74bd3ec0-c7dc-4111-a9b7-a9afbdc86aa9