Transrating is a functionality available on the video conferencing bridge that permits conferences among site and locations with different bandwidths. For example, transrating permits virtual classrooms with Internet2 connections participating at 2 Mbps while other locations with limited bandwidth can participate at a lower 384 Kbps rate.
Transcoding is a feature available on video conferencing bridges that enables conferences to be established with participants using different video conferencing formats. For instance, systems and locations using ISDN (H.320) can effortlessly communicate and collaborate with other locations using IP or Internet connections (H.323).