摘要： SIP协议作为会晤启动协议，可以应用于多媒体多方会议，该文通过对SIP体系结构及SIP协议消息的分析，结合多媒体多方会议的模型，针对目前对于SIP用于多媒体多方会议中相关扩展的不足，提出了SIP的一种新的采用多代理的会议模型，并定义了模型中代理服务器之间的一种SIP扩展方法。
关键词:
SIP,
SIP代理服务器,
多媒体,
多方会议
Abstract: SIP,which can be used in multimedia multiparty confernce, is a sesssion initial protocol .Based on the analysis of SIP network architecture and SIP messeage,combining the model of multimedia multiparty conference,according to the requirement of conference when used in conference ,this paper suggests a new conference model with multi-proxy and defines a new SIP extension among proxys in this model.
中图分类号:
廖正军,杨贯中,蔡宇辉. 多媒体多方会议及相关SIP扩展[J]. , 2003, 29(13): 166-.
LIAO Zhengjun,YANG Guanzhong, CAI Yuhui, College of Computer and Communication,Hunan University, Changsha 410082). Relating SIP Extension and Multimedia Multiparty Conference[J]. , 2003, 29(13): 166-.