Subject: Re: [dispatch] [Sip] Securing messages with TEL URI over SIP

From: Cullen Jennings <[email-masked]>
Date: Thu, 10 Dec 2009 21:10:22 -0700

On Oct 15, 2009, at 10:44 AM, Paul Kyzivat wrote:

> 
> 
> Avshalom Houri wrote:
>> I have found discussion thread on how to secure e.g. TEL URI over SIP from 2007.
>> transport=tls is deprecated and it does not mean end to end anyway.
>> We still do not have "tels" URI.
>> Was this discussion concluded and if how it was concluded?
> 
> AFAIK there was never any resolution of this - nobody knows how to do it.
> 
> I think the most fundamental problem is that there is no good answer to who is permitted and able to authenticate the use of a particular TEL URI.

The vipr drafts in dispatch do take an attempt at one possible solution to this problem.

(moving thread to dispatch)