Safe communicated model of SIP network based on improved SIP protocol

Through analyzing the security of SIP,combining PKI technology,digital time authentication,digital certifi-cate and the characteristic of SIP network,the safe communicated model of SIP network based on improved SIP protocol was put forward.New call established protocol was constituted used the prima...

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Bibliographic Details
Main Authors: ZHANG Zhao-xin1, FANG Bin-xing1, ZHANG Hong-li1, JIANG Chun-xiang2
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2007-01-01
Series:Tongxin xuebao
Subjects:
Online Access:http://www.joconline.com.cn/zh/article/74657159/
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Summary:Through analyzing the security of SIP,combining PKI technology,digital time authentication,digital certifi-cate and the characteristic of SIP network,the safe communicated model of SIP network based on improved SIP protocol was put forward.New call established protocol was constituted used the primary flow for reference,new register protocol and roam register protocol were constituted,time synchronization protocol and negotiating key protocol was added for this model,and test the safe communicated model in real circumstance.The result of the experiment proved that this model improved the confidentiality,integrality,usability,non-repudiation and novelty of the SIP network with the millisecond delay which can be accepted.
ISSN:1000-436X