| In early 2009, our country initially completed the integration of communications operators restructuring. Corporate restructuring involved a network-level adjustment and integration.From the node, the port capacity, the network security and the evolution of demand to consider, Shanxi Unicom’s mobile network gateway could not meet the rapid development of Shanxi Unicorn’s mobile business needs. Takeing into account this situation, and according to the Ministry of Industrywe approval we introduced soft-switch gateway. As nodes of Shanxi Unicom fixed-mobile network, soft-switch gateway simplifies the network structure and the network organization is more reasonable.In this paper, complete the following tasks:1. In this paper I first introduced the mobile soft-switch basic concepts of the core network, the basic principle and key technology,3GPP network evolution and the characteristics of each version.2. From the macro policy,I elaborated and analyzed the urgency and importance of Shanxi Unicom soft-switch gateway building and analyzed the design scope and division of labor.3.1 introduced the current situation of Shanxi Unicorn’s mobile network in detail and objective analyzed the situation and the existing problems of the gateway transformation before.I proposed specific building programs of Shanxi Unicom comprehensive gateway4. In this thesis, a variety of resources about the gateway building was analyzed in detail. Two-way interconnection traffic cutover was executed between Shanxi Unicom and Shanxi Telecom,so was done between Shanxi Unicom and Shanxi Railcom about Yuncheng Unicom new integrated soft-switch gateway. Through this example, I verified program assessment on the basis of Call test and billing verification after cutover... |
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