Re: [dispatch] New I-D - SPIN - on voice/video interop between app providers

[Stephen Farrell <[e-mail]>]

Hiya,

On 12/07/2022 16:31, Paul Kyzivat wrote:
> On 7/12/22 10:34 AM, Brian Rosen wrote:
>> Definitely interesting.  Would be wiling to work on it.
> 
> +1

Same here. If we could produce a good answer here, that'd be
great. I'm not yet sure if this proposal is a good answer,
but trying to solve the problem and in the IETF seems like a
good idea to me.

> 
> IIUC this doesn't cover the case of a user with a computer connected to 
> the internet but without its own phone number or SMS connectivity. Any 
> thoughts on how to deal with that?

That was also my main comment (following a v. quick scan of
the draft). I'd really like an email address based option as
well as phone numbers.

Cheers,
S.


> 
>      Thanks,
>      Paul
> 
>> Is there a reason MSRP isn’t acceptable for the messaging default 
>> protocol?
>>
>> Probably want to mention Real Time Text via RFC4103 (SIP signaled like 
>> voice and video).
>>
>> Are the cloud sip extensions actually necessary to get a minimum 
>> viable protocol for this purpose?
>>
>> Might want to look at RFC9248 which is a SIP profile that uses the 
>> WebRTC media specs, DTLS-SRTP, and a bunch of other things to get a 
>> common client for audio, video and real time text.  Probably not 
>> entirely suitable for this purpose, but it’s a start of things that 
>> should be considered.
>>
>> Brian
>>
>>
>>> On Jul 12, 2022, at 10:13 AM, Jonathan Rosenberg <[e-mail] 
>>> <mailto:[e-mail]>> wrote:
>>>
>>> Hi fellow dispatchers -
>>>
>>> I wanted to call attention to the following draft submitted yesterday:
>>> https://www.ietf.org/archive/id/draft-rosenberg-dispatch-spin-00.txt 
>>> <https://www.ietf.org/archive/id/draft-rosenberg-dispatch-spin-00.txt>
>>>
>>> Abstract:
>>> This document introduces a framework and a protocol for facilitating
>>>     voice, video and messaging interoperability between application
>>>     providers.  This work is motivated by the recent passage of
>>>     regulation in the European Union - the Digital Markets Act (DMA) -
>>>     which, amongst many other provisions, requires that vendors of
>>>     applications with a large number of users enable interoperability
>>>     with applications made by other vendors.  While such 
>>> interoperability
>>>     is broadly present within the public switched telephone network, it
>>>     is not yet commonplace between over-the-top applications, such as
>>>     Facetime, WhatsApp, and Facebook Messenger.  This document
>>>     specifically defines the Simple Protocol for Inviting Numbers (SPIN)
>>>     which is used to deliver invitations to mobile phone numbers that 
>>> can
>>>     bootstrap subsequent communications over the Internet.
>>>
>>> Right now, we're looking to see if there is interest in working on 
>>> this. Comments welcome.
>>>
>>> Thx,
>>> Jonathan R.
>>>
>>> -- 
>>> Jonathan Rosenberg, Ph.D.
>>> [e-mail] <mailto:[e-mail]>
>>> http://www.jdrosen.net <http://www.jdrosen.net/>
>>> _______________________________________________
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>>> https://www.ietf.org/mailman/listinfo/dispatch
>>
>>
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