Subject: Re: [stir] [sipcore] I-D Action: draft-ietf-sipcore-rejected-02.txt

From: Eric Burger <[email-masked]>
Date: Fri, 28 Dec 2018 16:54:49 -0500

[Cross-posted to IP-NNI, NNI, and STIR lists; please keep any discussion on the SIPCORE list]

What do we have here? This version is resistant to replay attacks. It also lets us trace jCards, if we wish.

I think it’s done, but I’m sure there are glaring holes that could be filled.

Please review.

Thanks, and Happy New Year.

> On Dec 28, 2018, at 4:46 PM, [email-masked] wrote:
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Session Initiation Protocol Core WG of the IETF.
> 
>        Title           : A Session Initiation Protocol (SIP) Response Code for Rejected Calls
>        Author          : Eric W. Burger
> 	Filename        : draft-ietf-sipcore-rejected-02.txt
> 	Pages           : 21
> 	Date            : 2018-12-28
> 
> Abstract:
>   This document defines the 608 (Rejected) SIP response code.  This
>   response code enables calling parties to learn an intermediary
>   rejected their call attempt.  The call will not be answered.  As a
>   6xx code, the caller will be aware that future attempts to contact
>   the same UAS will likely fail.  The present use case driving the need
>   for the 608 response code is when the intermediary is an analytics
>   engine.  In this case, the rejection is by a machine or other
>   process.  This contrasts with the 607 (Unwanted) SIP response code,
>   which a human at the target UAS indicated the call was not wanted.
>   In some jurisdictions this distinction is important.  This document
>   defines the use of the Call-Info header in 608 responses to enable
>   rejected callers to contact entities that blocked their calls in
>   error.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-sipcore-rejected/
> 
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-sipcore-rejected-02
> https://datatracker.ietf.org/doc/html/draft-ietf-sipcore-rejected-02
> 
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-sipcore-rejected-02
> 
> 
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
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