The design of multimedia conference system based on IMS

Defined by the 3rd Generation Partnership Project (3GPP) and forming by basic ones - Session Initiation Protocol(SIP) for session control and signaling, the IP Multimedia Subsystem(IMS) offers an perfect resolution for network integration and service expansion. This paper presents a novel achitecture model of multimedia conference system based on IMS network achitecture, which enables services to be available for open terminals in a uniform way without regard to low layer´s network environments. Also, this paper introduces a novel control method which combines XML-based conference information control and SIP signaling control. With the help of XML, we can achieve complexity conference´s logic control more easily, and provide a standard interface for new service´s development. The results of this paper approve the conference system´s quality, which also offer an exciting promise for the future´s continue work.