[SR-Users] ATIS-1000085 STIR/SHAKEN DIV PASSporT

[Steven Wheeler]

I believe that David's interpretation is correct. My understanding of the standard is that it allows carriers which are diverting a call (call forwarding, simultaneous ringing, etc.) on behalf of one of their customers to provide the original attestation they received as well as information about where the call is being diverted to.


I'm no expert in STIR/SHAKEN, but my understanding is that this proposal adds two options to handle diversions. The first is a "div" passport which is added as an additional Identity header to the outgoing SIP message. The second is a "div-o" passport which includes the original Identity header within its value and replaces the original Identity header in the outgoing SIP message.


Steven Wheeler

________________________________
From: David Villasmil <david.villasmil.work at gmail.com>
Sent: Wednesday, June 9, 2021 6:50 AM
To: Kamailio (SER) - Users Mailing List; miconda at gmail.com
Cc: Steven Wheeler
Subject: Re: [SR-Users] ATIS-1000085 STIR/SHAKEN DIV PASSporT

>From reading, I understood a div PASSporTs without attestation should be added by the entity doing the diversion.

https://datatracker.ietf.org/doc/html/draft-ietf-stir-passport-divert-09#section-5
draft-ietf-stir-passport-divert-09<https://datatracker.ietf.org/doc/html/draft-ietf-stir-passport-divert-09#section-5>
datatracker.ietf.org
PASSporT Extension for Diverted Calls (Internet-Draft, 2020)






On Wed, 9 Jun 2021 at 12:10, Daniel-Constantin Mierla <miconda at gmail.com<mailto:miconda at gmail.com>> wrote:

Hello,


I was not aware if this, it does not seem to be from IETF. Can you summarize what it is about, eventually comparing what are the differences to the IETF STIR/SHAKEN specs? Is it about adding the caller signature in another header than Identity and also verifying  another header?


Cheers,
Daniel


On 08.06.21 23:58, Steven Wheeler wrote:

My Google searches aren't turning up any results, probably because this standard isn't finalized yet, but is anyone aware of a module which implements DIV PASSporTs for diverted calls?


More details on the standard here: https://transnexus.com/blog/2020/shaken-div-std-letter-ballot/


Steven Wheeler



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