A Number Portability Method of a Softswitch in the IP-based Converged Network

E.J. Kim, Y.B. Kim, and K.H. Lee (Korea)


Number Portability, Softswitch, Number Translation, Routing


Mobile number portability service enables the subscribers to change a mobile service provider without changing their original numbers. This kind of number portability service must be offered in the VoIP domain as the demand on Internet service is increasing. For a number portability in VoIP domain, we need new mechanism to provide a number portability service in a softswitch which is an essential IP-based converged network component. In this paper, we suggest a method of the number portability in the softswitch for IP-based converged Network.

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