I-D Action: draft-petithuguenin-vipr-sip-antispam-02.txt
internet-drafts@ietf.org Mon, 11 July 2011 21:13 UTC
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Subject: I-D Action: draft-petithuguenin-vipr-sip-antispam-02.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Session Initiation Protocol (SIP) Extensions for Blocking VoIP Spam Using PSTN Validation
Author(s) : Jonathan Rosenberg
Cullen Jennings
Marc Petit-Huguenin
Filename : draft-petithuguenin-vipr-sip-antispam-02.txt
Pages : 10
Date : 2011-07-11
Verification Involving PSTN Reachability (ViPR) is a new technique
for inter-domain federation of SIP calls. ViPR makes use of the PSTN
as an introduction mechanism to verify the correctness of mappings
from phone numbers to domains. The PSTN introduction mechanism can
also be used as a technique for blocking spam - a SIP caller is only
authorized when its calling domain has previously called that same
number over the PSTN. This document describes an extension to SIP
which enables authorization of SIP calls based on a prior PSTN
introduction.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-petithuguenin-vipr-sip-antispam-02.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-petithuguenin-vipr-sip-antispam-02.txt
- I-D Action: draft-petithuguenin-vipr-sip-antispam… internet-drafts