基于IP网络的多点视频会议系统的研究经过十多年的探讨和规范，目前已经较为成熟。

After years of research on multiple endpoints video conference based IP network, the theory and technology has been mature.

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多点控制单元(MCU)是多点视频会议系统的核心，它提供多点会议的管理和控制功能。

Multipoint control unit (MCU) is the kernel of multipoint videoconference system. It offers the function of management and control for multipoint conference.

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论文研究与分析了H . 323标准及相关协议，设计与实现了一种基于IP网络的多点视频会议系统。

Based on research and analyze of H. 323 standard and related protocol, this thesis design and realize an IP-based network model of multi-point video conference system.

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