This paper chiefly introduces the model of Video Conferencing System,H.323 standard of ITU-T and RTP/RTCP protocol,and realizes a WAN-Oriented Video Conferencing System—VCSW(Video Conferencing System on WAN).In VCSW,...This paper chiefly introduces the model of Video Conferencing System,H.323 standard of ITU-T and RTP/RTCP protocol,and realizes a WAN-Oriented Video Conferencing System—VCSW(Video Conferencing System on WAN).In VCSW,RTP/RTCP pro-tocol is used for transporting media data and video conference on WAN can be established,so VCSW has abroad application scope.This paper stresses analyzing RTP/RTCP protocol,realizes it and modifies some details of it according to our device condition:re-duces some fields of RTP and RTCP header,removes some information managed by RTP/RTCP.Consequently in testing of lab,good effect is achieved.展开更多
基金Approval No. of the National Natural ScienceFund: 60573182
文摘This paper chiefly introduces the model of Video Conferencing System,H.323 standard of ITU-T and RTP/RTCP protocol,and realizes a WAN-Oriented Video Conferencing System—VCSW(Video Conferencing System on WAN).In VCSW,RTP/RTCP pro-tocol is used for transporting media data and video conference on WAN can be established,so VCSW has abroad application scope.This paper stresses analyzing RTP/RTCP protocol,realizes it and modifies some details of it according to our device condition:re-duces some fields of RTP and RTCP header,removes some information managed by RTP/RTCP.Consequently in testing of lab,good effect is achieved.