Investigation And Application Of SIP On Multimedia Platform

Following the fast development of IMS, the usage of SIP is also widespread.SIP is a protocol of application layer,it's used in initiate,regulate and terminate the participating multimedia seesions, the exchanged data of users include IP telephone,multimedia publish,multimedia meeting,remote education and network games.SIP can be used with other components of multimedia communication protocol system published by IETF, the popular protocols are RTP,RTSP,SDP, so that it can supply more complicate and efficient service.Thus, the investigation and application of SIP on the multimedia platform is very valuable.Some important technologies of realizing SIP service on the multimedia platform are analyzed detailedly in this paper, this part of content includes the construct of multimedia platform, the application of SIP, the quality test of SIP server.Firstly, investigation aim, investigation content and investigation significance of this paper are introduced.Secondly, the application realms of SIP are described.Then,this paper will picture how to construct the multimedia platform and empolder on the environment.After that, this paper describes how to construct the basic SIP dialogue on the multimedia platform in detail, it bewrites how to handle the message between UAC and UAS in different situations particularly. And this is the most important point in the whole paper.In the last part of this paper, the author sums up and puts forward the expectation of whole job.