在对各种会议模型的分析和对比的基础上，文中提出了一种以SIP作为控制信令的分布式多媒体会议框架D CF。
After analysis and comparisons of various conference models, a distributed multimedia conference framework-DCF using SIP as controlling signaling is proposed.
充分结合企业的IT系统和CT系统，方便多媒体会议的创建和控制，减少了成本。
The system and the method fully combine an IT system and a CT system of an enterprise, are convenient for establishment and control of multimedia conference, and reduce the cost.
简要介绍了计算机多媒体会议系统的组成，重点分析了多媒体会议中的管理与控制子系统模块间的功能和相互关系。
This paper studies the composed of computer multimedia conference system, emphasizing analyzed the function and relationship of management and control subsystem of Multimedia conference.
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