[Enum] I-D ACTION:draft-ietf-enum-e164-gstn-np-01.txt

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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-01.txt
	Pages		: 26
	Date		: 09-Feb-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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