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Soft-switch system project for Lancang River hydropower company

LEI Yun-hui(Yunnan Electric Power Design Institute,Kunming 650011,China)  
At present,PSTN network can′t offer the new type,multiformity and individuation services for users.This paper compares the traditional narrow-band exchange technique with Soft-switch technique,elicits the superiority for adopting Soft-switch technique.This paper suggests that the administration communications system of Lancang river hydropower company adopts the Soft-switch technique,and the scheme of Soft-switch network for Lancang river hydropower company is designed too.This paper provides the detailed solutions such as subscriber access,IP address allocation,services,network address crossing,network security etc..
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