I-D Action: draft-petithuguenin-vipr-sip-antispam-03.txt

internet-drafts@ietf.org Wed, 11 January 2012 23:33 UTC

Return-Path: <internet-drafts@ietf.org>
X-Original-To: i-d-announce@ietfa.amsl.com
Delivered-To: i-d-announce@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C326D21F8605 for <i-d-announce@ietfa.amsl.com>; Wed, 11 Jan 2012 15:33:00 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -102.565
X-Spam-Level:
X-Spam-Status: No, score=-102.565 tagged_above=-999 required=5 tests=[AWL=0.034, BAYES_00=-2.599, USER_IN_WHITELIST=-100]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DNHMgjFAOtVs for <i-d-announce@ietfa.amsl.com>; Wed, 11 Jan 2012 15:33:00 -0800 (PST)
Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4A72821F85F6 for <i-d-announce@ietf.org>; Wed, 11 Jan 2012 15:33:00 -0800 (PST)
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
From: internet-drafts@ietf.org
To: i-d-announce@ietf.org
Subject: I-D Action: draft-petithuguenin-vipr-sip-antispam-03.txt
X-Test-IDTracker: no
X-IETF-IDTracker: 3.64p1
Message-ID: <20120111233300.12252.99363.idtracker@ietfa.amsl.com>
Date: Wed, 11 Jan 2012 15:33:00 -0800
X-BeenThere: i-d-announce@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
Reply-To: internet-drafts@ietf.org
List-Id: Internet Draft Announcements only <i-d-announce.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/i-d-announce>, <mailto:i-d-announce-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/i-d-announce>
List-Post: <mailto:i-d-announce@ietf.org>
List-Help: <mailto:i-d-announce-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/i-d-announce>, <mailto:i-d-announce-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 11 Jan 2012 23:33:01 -0000

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)       : Marc Petit-Huguenin
                          Jonathan Rosenberg
                          Cullen Jennings
	Filename        : draft-petithuguenin-vipr-sip-antispam-03.txt
	Pages           : 10
	Date            : 2012-01-11

   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-03.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-03.txt