A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Telephony Working Group of the IETF.
Title : New Parameters for the 'tel' URI to Support Number Portability
Author(s) : J. Yu
Filename : draft-ietf-iptel-tel-np-04.txt
Pages : 13
Date : 2005-2-18
Number Portability (NP) for the geographical telephone numbers and
freephone numbers impacts signaling and routing in the Global
Switched Telephone Network (GSTN) and Internet Protocol (IP) domain.
At present, there is no mechanism for a network node in the IP
domain to pass the NP-related information to the next-hop network
node after it has performed an NP database dip. This document
defines several new parameters in the "tel" Uniform Resource
Identifier (URI) to carry the NP-related information that can be
used by the network nodes in the IP domain to correctly set up the
calls or sessions.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-iptel-tel-np-04.txt
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