H.221,H.224,H.225,H.231,H.239/BFCP,H.241,H.242,H.245,H.281、,RFC3261,RFC3264,RFC2190,RFC3407,RFC

H.221,H.224,H.225,H.231,H.239/BFCP,H.241,H.242,H.245,H.281、,RFC3261,RFC3264,RFC2190,RFC3407,RFC2833LifesizeIcon600视频会议发生根本性转变Icon600LifesizeIcon600是一款基于一个基本原则设计的视频系统：简单。设...