Name: draft-ietf-iptel-tel-np-03
Title: New Parameters for the 'tel' URI to Support Number Portability
State: Active
Authors: James Yu
Group: IP Telephony (iptel)
Date: 2004-11-18
This document defines several new parameters in the 'tel' Uniform Resource
Identifier (URI) to support number portability (NP) for geographical
telephone numbers and freephone numbers. The 'rn' parameter carries the
routing number for a ported geographical telephone number. The presence of
the 'npdi' parameter indicates that NP database dip has been performed on a
geographical telephone number. The 'cic' parameter identifies the freephone
service provider for a freephone number. The 'rn-context' and 'cic-context'
parameters describe the 'rn' and 'cic' parameters respectively when the
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