教育媒体厂商协会 educational media producers council
Distributed control mode is adopted by SIP protocol, providing integrated multimedia services. Its good scalability, mobility and media consultation ability are good for improving network interoperability and openness of embedded devices.
SIP协议简单灵活,采用分布式的控制模式,能够提供融合的多媒体服务,其良好的扩展性、移动性和媒体协商能力有助于增强嵌入式设备的网络互操作性和开放性。
参考来源 - 基于ARM9的嵌入式SIP电话终端的设计与实现In theory part, paper lucubrated SIP protocol and discussed detailedly entities of SIP network、layered structure of SIP protocol、structure of SIP message、process of session building、mechanism of media negotiation and several other key technologies used by SIP terminal: signal、media codec、RTP and QoS.
论文的理论部分深入分析SIP协议,对SIP的网络实体、SIP协议的分层结构、SIP消息的组成结构,会话建立过程,媒体协商机制以及SIP终端在通信过程所用到的几个关键技术:信令技术、音视频编解码技术、媒体实时传输技术和QoS保证技术做了详细的介绍。
参考来源 - 基于SIP协议综合通信终端的设计与实现·2,447,543篇论文数据,部分数据来源于NoteExpress
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