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《Computer Engineering》 2006-01
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Design and Implementation of SIP Proxy Server for QoS Required Network

YE Ting,DU Xu,PAN Peng,XU Jinghua(Department of Electronics and Information Engineering,Huazhong University of Science and Technology,Wuhan 430074)  
This paper depicts how to improve the voice quality of VoIP system based on SIP protocol,and then analyses the difficulty in combining this VoIP system with MPLS technology.And it presents a design model and implementation of SIP proxy server for QoS required network.This model has good expansibility and a clear framework,and gives a solution to the problem that SIP Proxy server without any QoS abilities.It is a nice application-model merges MPLS technology into VoIP system.This solution is already adopted in the VoIP system under embedded Linux platform and it meets the requirement of high quality of voice communication well.
【Fund】: 国家自然科学基金资助项目(60302004)
【CateGory Index】: TN919.8
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