Re: [stir] [Acme] NYTimes.com: How Do You Stop Robocalls?

Christer Holmberg <christer.holmberg@ericsson.com> Tue, 13 July 2021 08:10 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: "Olle E. Johansson" <oej@edvina.net>, Roman Shpount <roman@telurix.com>
CC: "stir@ietf.org" <stir@ietf.org>, Mary Barnes <mary.ietf.barnes@gmail.com>, "Salz, Rich" <rsalz=40akamai.com@dmarc.ietf.org>, "acme@ietf.org" <acme@ietf.org>
Thread-Topic: [stir] [Acme] NYTimes.com: How Do You Stop Robocalls?
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Date: Tue, 13 Jul 2021 08:10:09 +0000
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Subject: Re: [stir] [Acme] NYTimes.com: How Do You Stop Robocalls?
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Hi Olle,

When you say “does not support Outbound”, are you referring to the whole mechanism, or to the specific reuse-of-registration-connection-for-incoming-calls part?

Regards,

Christer

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________________________________
From: stir <stir-bounces@ietf.org> on behalf of Olle E. Johansson <oej@edvina.net>
Sent: Tuesday, July 13, 2021 9:32:56 AM
To: Roman Shpount <roman@telurix.com>
Cc: stir@ietf.org <stir@ietf.org>rg>; Mary Barnes <mary.ietf.barnes@gmail.com>om>; Salz, Rich <rsalz=40akamai.com@dmarc.ietf.org>rg>; acme@ietf.org <acme@ietf.org>
Subject: Re: [stir] [Acme] NYTimes.com: How Do You Stop Robocalls?



13 juli 2021 kl. 06:58 skrev Roman Shpount <roman@telurix.com<mailto:roman@telurix.com>>:

 At the same time, SIP over TLS has many performance and reliability issues that would need to be addressed before it is ready for industry-wide deployment.

There’s also a lack of applicable standards for TLS usage, as I’ve pointed out a few times, but the working group seems to have no energy to fix. SIP over TLS from the SIP phone side requires implementation of SIP outbound, which we never successfully tested at any SIPit. I know of a few implementations now, but haven’t tested them together.

Made this presentation five years ago
https://www.slideshare.net/oej/sip-tls-security-in-a-peer-to-peer-world

/O