幻灯片 1 统数据协议模型由通信基础结构和使用基础结构的应用协议构成。 11.1.2会议系统结构与关键技术 会议控制（Conference Control，CC）提供建立和管理多点会议的一组服务。它提供会议的访问控制和能力仲裁（Arbitration）。 多点通
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general conference control 通用会议控制技术
MMCC MultiMedia Conference Control 多媒体会议控制
GCC General Conference Control 通用会议控制技术
UCC Universal Conference Control 通用会议控制器
Conference Control Mode 会议控制模式
Centralized Conference Control Protocol 集中会议控制协议
Conference Control Unit 会议管理股
conference control system 会议控制系统
Generic Conference Control 通用会议控制
But SIP itself doesn’ t support conference describing protocol nor does it provide conference control, which means it would not be used for the multipoint conference with centralized management.
但是SIP本身即不支持会议描述协议也不提供会议控制功能，不利于多点控制的会议的集中管理。
参考来源 - 基于IP网络的视频会议关键技术研究To implement conference control, message mechanism should be employed.
会议控制消息分为命令和通知两种。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
SIP is not attached to any particular conference control protocol.
SIP 不依附于任何一种特定的会议控制协议。
SIP is not attached to and particular conference control protocol.
SIP不依附于任何一种特定的会议控制协议。
The conference control results demonstrate that this model is applicable and effective.
实践表明，该会议控制模型是合理的、有效的。
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