A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Verification Involving PSTN Reachability: Requirements and Architecture Overview
Author(s) : Mary Barnes
Cullen Jennings
Jonathan Rosenberg
Marc Petit-Huguenin
Filename : draft-jennings-vipr-overview-04.txt
Pages : 28
Date : 2013-02-25
Abstract:
The Session Initiation Protocol (SIP) has seen widespread deployment
within individual domains, typically supporting voice and video
communications. Though it was designed from the outset to support
inter-domain federation over the public Internet, such federation has
not materialized. The primary reasons for this are the complexities
of inter-domain phone number routing and concerns over security.
This document reviews this problem space, outlines requirements, and
then describes a new model and technique for inter-domain federation
with SIP involving the Public Switched Telephone Network (PSTN),
called Verification Involving PSTN Reachability (VIPR). VIPR
addresses the problems that have prevented inter-domain federation
over the Internet. It provides fully distributed inter-domain
routing for phone numbers, authorized mappings from phone numbers to
domains, a new technique for automated SIP anti-spam, and privacy of
number ownership, all while preserving the trapezoidal model of SIP.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-jennings-vipr-overview
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-jennings-vipr-overview-04
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-jennings-vipr-overview-04
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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