RGB Networks' (www.rgbnetworks.com) Video Multiprocessing Gateway (VMG) has been certified by Microsoft as meeting the requirements of its Mediaroom IPTV software platform. The cert verifies that the VMG, with its TCM transcoding module, successfully interoperates with Mediaroom servers and clients to transcode HD, SD and picture-in-picture (PIP) programs in real time to pass through the Mediaroom IPTV platform in a reliable manner.