| Softswitch technology is for solving various telecommunication network(circuit switching & packet switching), various equipment and various technology intercommunication purpose . The intention is providing the function as circuit switching equipment besides easying to provide value added service and agility equipment, basing on software using for transform various protocol and packet network combination Softswitch server and media gateway.The focus of completing in ISPs (Information Service Provider) is convising price into quicking providing novelty services. The major release of 3G network abroad ISPs constructing is R99 and R4. Softswitch technology to be Introduced to core network and easying to upgating to R5,so that the 3G network of release R4 is choiced in commercial network and experiment network.China mobile has constructed the native toll tandem Softswitch network. The maximum size network in the world is made up of MSOFTX3000 & UMG8900 of Huawei Technologies Co.,Ltd. The ip bearing network is to be bearing traffic stream ,signal stream and TMN(Telecommunication Management Network) information stream. In the design ,we attend to optimize the Softswitch network .we has proposed two solutions to the problem: on the one hand, establishing the telephone traffic trunks between the new Softswitch network and old TDM (time-division multiplexing) network,in order to solving the problem of single node of Softswitch network ;on the other hand,set double Softswitch node in every province corporation of china mobile,in order to reach the gaol of each other backup node.Through the constructing of Softswitch network, we can not only tap-ties of network but also gather experience. |
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