[Operators] Protocol agnostic URI for voice or video call?

Peter Saint-Andre stpeter at stpeter.im
Mon Jan 28 18:31:13 UTC 2013

Hash: SHA1

On 1/26/13 4:30 PM, Daniel Pocock wrote:
> On 26/01/13 22:03, Mikko Lehto wrote:
>> 2013-01-07 (Mon) 15:16 UTC +0100  Daniel Pocock 
>> <daniel at pocock.com.au>:
>>> However, im: implies text chat only.  Are there equivalent 
>>> prefixes to suggest voice and/or video sessions, and is there
>>> any generic prefix to suggest any arbitrary possibility
>>> (including smtp) at the caller's discretion?
>> Hi Daniel
>> Are you aware of acct: URI scheme¹ ? Maybe that can be utilized.
>> [1] draft-ietf-appsawg-acct-uri
> Thanks for bringing that to my attention, I think it almost 
> addresses what I had in mind

Please do send feedback about the acct-uri spec to the
apps-discuss at ietf.org list. The Working Group Last Call started today.

> s4.7 interoperability doesn't mention the fact that xmpp: and sip: 
> have slightly different sets of permitted characters for the user@ 
> portion of a URI.

Yes, that's a fun problem. See section 4 of this Internet-Draft:


> s4.3 could probably be extended to define a subset that is
> compatible with mailto:, xmpp: and sip: all at once

It's not the intent of the 'acct' URI to be such a subset. However, if
you think that's a desirable feature then please provide input during
the aforementioned last call.


- -- 
Peter Saint-Andre

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