【摘要】 针对SIP多媒体会议框架中若干高级问题进行了一定深度和广度的探讨,并针对相应问题提出了有效可行的解决方案。其中主要论述了6个方面的问题:会议类型,加入会议,获取会议信息,创建子会议,媒体混合布局,会议集联。然后结合作者实际项目经验,探讨了SIP多媒体会议系统实现的总体架构,以及SIP会议系统核心部件Focus的实现。更多还原

【Abstract】 The paper discusses many important problems about the framework of SIP multimedia conference, such as types of conference, joining in conference, getting conference information, creating sidebar-conference, layout of media mixing, cascaded conference, and so on, and brings forward a series of resolving methods. Then, according to the paper research and development of SIP multimedia conference system, it discusses the framework of conference system of SIP, and the implementation of the core componentFocus.更多还原