手机客户端是WEB模块的有效补充，实现了会议室安排信息在手机客户端的查询和增加功能。-The mobile client WEB modules complement the conference room schedule information in the mobile client queries and increase function.

openh323可以用于视频会议系统这是客户端,不错的-Openh323 is this client can be used for video conference system, good

The main core functions are: multi person voice, multi person video, public whiteboard, conference room management. In this paper, we will introduce the main functions of video conferencing system and its implementation principle, and then introduce