基于SIP集中式多媒体视频会议系统中对私下会议问题的研究

The method for Private Conference in multimedia conferencing system for SIP

私下会议(Sidebar)指的是会议中若干与会者在不退出目前会议的情况下,组成一个私下的小规模会议,这项特性有很强的使用价值,在IETF的XCON工作组中提出了该问题,但目前尚无专门的草案探讨其实现方式。本文在基于SIP集中式多媒体会议系统上,利用二次媒体流混合,提出了自己的解决方案。

Private Conference, called Sidebar, is made up of a small-scale conference when some of members in the conference are being in the conference. This is the most valuable in the conference. Private Conference was put forward by XCON group in the IETF, but there is nothing for it .Though two times media mix, we put forward an solved method for Private Conference in multimedia conferencing system for SIP.