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

[Paul Kyzivat <[e-mail]>]

On 7/12/22 10:34 AM, Brian Rosen wrote:
> Definitely interesting.  Would be wiling to work on it.

+1

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?

	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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