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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Telephone Number Mapping Working Group of the IETF.
Title : Number Portability in the GSTN: An Overview
Author(s) : M. Foster, T. McGarry, J. Yu
Filename : draft-ietf-enum-e164-gstn-np-02.txt
Pages : 26
Date : 22-Oct-01
This document provides an overview of E.164 telephone number
portability (NP) in the Global Switched Telephone Network (GSTN).
There are three types of number portability: service provider number
portability (SPNP), location portability, and service portability.
Service provider portability, the focus of the present draft, is a
regulatory imperative in many countries seeking to liberalize local
telephony service competition, by enabling end-users to retain pre-
existing telephone numbers while changing service providers.
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