摘要： 目前的视频会议系统主要分为基于ＩＳＤＮ的会议室系统和基于Ｉｎｔｅｒｎｅｔ／Ｉｎｔｒａｎｅｔ的桌面系统，它们都各有优缺点，不能完全满足某些大型单位的会议要求．分析了目前市场需求和网络发展的特点，提出了一种混合型的视频会议设计方案，它具有功能完善、使用灵活、成本较低等优点，是一种较高性价比且适应市场需求的设计方案．

关键词: 视频会议, 会议室, 桌面, IP多播

Abstract: At the present time the main forms of video conference are meeting-room system hased on ISDN and desk system based on Internet/Intranet they both can't completely meet the demand of some large-scale enterprises.In this paper,we analyze the features of market and network development,and present a solution of video conference with high ratio of performance to price.Its main merits are full function, flexibility. low price,and so on.