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.
基于SIP协议的多媒体会议管理系统以SIP协议为会话连接的基础，同时提供发言权控制功能，并且与多媒体应用分离。
SIP-based multimedia conference manage system USES SIP as its session connection, provides floor control and is independent of multimedia.
该文通过对各种会议拓扑结构的分析和比较，提出了一种以SIP作为控制信令的、集中式拓扑结构的多媒体会议系统。
After analysis and comparisons of various conference topologies, a centralized multimedia conference system using SIP as controlling signaling is pro-posed in this article.
该文通过对各种会议拓扑结构的分析和比较，提出了一种以SIP作为控制信令的、集中式拓扑结构的多媒体会议系统。
After analysis and comparisons of various conference topologies, a centralized multimedia conference system using SIP as controlling signaling is pro-posed in this article.
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