Dissertation > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Phone > Telephone lines, telephone network

Next Generation Network with Voice Over Internet Protocol and Private Branch Exchange Apply in the Modern Enterptise

Author NieZuo
Tutor WangZhenKai
School Beijing University of Posts and Telecommunications
Course Electronics and Communication Engineering
Keywords NGN voip pbx sip softswitching
CLC TN916.2
Type Master's thesis
Year 2012
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Next Generation Network With Voice Over Internet protocol is a new technology in the development of Private Branch Exchange. This paper introduces the differences, advantages and disadvantages between NGN+IP and old PBX. It explains that NGN+IP can promote quality and operation of the phone call. It also brings various additional services.With the convergence layer redesigned and highly concentrated Database, We can separate Business from terminal Equipment in the Next Generation Network.lt not only solved the problem that we can not extend value added Business in PSTN.But also realize intelligent network among different nets. Next Generation Network Binding With Voice Over Internet protocol promotes a new direction of Voice business.I describe two situations in this paper.One designed traditional PBX in Jinglong.The other designed NGN+VoIP in Kongzhong net.There are essensial differences in designation and usage according to different theories.Then I will solve the problems we meet in practice. After comparation,We can get conclusions.From that,we may forecast the promotion of VoIP in future.

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