Microsoft has opened a “Mediaroom” Interoperability and Qualification Lab (IQ Lab)

The new IQ Lab gives encoding vendors the opportunity to test their products in a controlled IPTV production environment, with set-top boxes from several vendors.
http://www.microsoft.com
- In June 2007, Microsoft rebranded its IPTV software platform as “Microsoft Mediaroom”, and added several new multimedia capabilities, including in-home personal music and photo sharing, dynamic MultiView (multiple picture-in-picture) capabilities, Multimedia Application Environment for development of interactive services and advanced applications, and digital terrestrial television (DTT) support.