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Research on the SIP Extension and Its Application in the IP Multimedia Subsystem

Author: XuPeng
Tutor: XuZhanZuo
School: Xi'an University of Electronic Science and Technology
Course: Communication and Information System
Keywords: Session Initiation Protocol SIP protocol extensions IP Multimedia Subsystem Multi-point video conferencing
CLC: TN919.8
Type: Master's thesis
Year: 2007
Downloads: 73
Quote: 2
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Abstract


IP Multimedia Subsystem (IMS, IP Multimedia Subsystem) is the 3GPP IP-based next-generation network core network solutions . It will network into the application plane , call session control plane , user data transfer and access plane , the mutual separation between each plane , to facilitate business development and deployment of the application layer and network management and maintenance ; access and session control the separation of the core network access independent ; these features make the existing network to easily evolve to next-generation networks based on IMS core network . Provide multi-point video conferencing business in IMS will be the future of academia and research focus of the service providers . Firstly, Introduction IMS architecture and its working principle , and a more detailed description of the core IMS call session control protocol - Session Initiation Protocol (SIP Session Initial Protocol) SIP architecture , message structure and working principle and IMS the SIP extensions. The paper discusses the 3GPP IMS multi-point video conferencing business programs , analyze the problems in the program , an IMS-based hierarchical multi-point video conferencing solutions (MPVC, MultiPoint Vedio Conference) , focusing on SIP protocol extended to accommodate MPVC . The paper also focused on a multi-point video conferencing session control software design and implementation of the model and preliminary validation of the laboratory environment . The paper work for the further development of the IMS architecture , multi - point video conferencing systems , providing a good technical foundation .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Image communication, multimedia communication
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