Software Implementation Of The Asterisk-based Municipal Call Center

In recent years, the rapid development of Internet urged phone business to become hypergrowth, it's not convenient and will take a long time to realize new functions in the old PSTN which based on traditional PBX system. On one hand, many enterprises want to make full use of network resources, on the other hand, they have to spend extra costs to maintain the original system.NGN and SoftSwitch makes it possible to connect telephone network and Internet, IB-PBX devices is perfect to expand telecommunication network systems and network terminals, communication platform which is built by it can connect computer networks and telephone switches. Asterisk is the most widely used open source IP-PBX software which was developed by Digium, it provides strong technical support for enterprises to build their own communication system.The dissertation discussed the technology of SoftSwitch, included the concept and structure of IP-PBX system, then explain the principles and advantages of using Asterisk platform to build IP-PBX system. At last, the author took part in the project of Nanchang Municipal Public Group Call Center, based on it, detailedly expounded the design and realize process of the Asterisk-Based IP-PBX System. During the whole implementation of project, the author analysed and developed some parts of the system, chose appropriate software and hardware to build network environment. Municipal Call Center provided a way of communication between the municipal services department and public, improved the service quality, established a good image in the citizens'heart.