Subject: Re: [VIPR] I-D Action: draft-petithuguenin-vipr-sip-antispam-01.txt

From: Marc Petit-Huguenin <[email-masked]>
Date: Tue, 14 Jun 2011 09:34:03 -0700

Changelog:

   o  Renamed X-Cisco-ViPR-Ticket to Ticket and filled the IANA section.

On 06/14/2011 09:30 AM, [email-masked] wrote:
> 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-01.txt
> 	Pages           : 10
> 	Date            : 2011-06-14
> 
>    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-01.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-01.txt

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Marc Petit-Huguenin
Personal email: [email-masked]
Professional email: [email-masked]
Blog: http://blog.marc.petit-huguenin.org