A mediator for optimizing the transmission of media contents between a multimedia resource function and a plurality of terminals

摘要

A mediator (IMAM) for optimizing the transmission of media contents between a multimedia resource function (MRF) and a plurality of terminals (T1, T2, T3, T4) when these terminals are conferees in a same video call conference created by a telephony server (CTS), comprises: - means for receiving video content requests from said terminals when they request to take part in said video call conference, and for optimizing these requests, in order to avoid requesting any redundant video stream from the multimedia resource function (MRF), before forwarding the optimized requests to the multimedia resource function (MRF); - means for implementing virtual conferees (VC1, VC2) as a function of the video content requests from said terminals, for receiving the video streams that have been requested by the optimized request, from the multimedia resource function (MRF), and then forwarding the received video streams to the terminals that have requested them, in a broadcast way when a same video stream has been requested by several terminals, - and means for commanding the telephony server (CTS) to accept the implemented virtual conferees (VC1,VC2) in the video call conference.