Re: [sixpac] Drafts on SIP-XMPP combined use

Peter Musgrave <peter.musgrave@magorcorp.com> Thu, 18 November 2010 05:00 UTC

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From: Peter Musgrave <peter.musgrave@magorcorp.com>
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Date: Thu, 18 Nov 2010 13:01:02 +0800
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To: Simo.Veikkolainen@nokia.com
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Subject: Re: [sixpac] Drafts on SIP-XMPP combined use
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Hi Simo, 

A question about REQ-1: 
When it says "SIP Contact" information - does this mean literally the value in the SIP Contact: header? 

I think it might need to be the AOR - since that is required to be a FQDN and publicly reachable, whereas a contact header value might not be. However, in the case where the AOR has multiple contacts registered, would we require GRUU to specify which one is to be called?

Is the requirement that the information provided allow for the specific UA instance to be contacted when this identity information is conveyed over XMPP?

REQ-3: Can you elaborate on "real time media contact and status" ? I am not sure what the requirement is asking for. An indication that an audio or video session simply exists - or details down to the port, CODEC etc. ???

Regards, 

Peter Musgrave



On 2010-11-11, at 4:05 PM, <Simo.Veikkolainen@nokia.com> <Simo.Veikkolainen@nokia.com> wrote:

> Thanks Peter for setting up this list!
> 
> Just as a reminder, the relevant I-D for this work is 
> http://tools.ietf.org/html/draft-veikkolainen-sip-xmpp-coex-reqs-01
> 
> We had an earlier draft containing also the protocol extensions, but that one has been expired. However, you can find it at 
> http://tools.ietf.org/html/draft-veikkolainen-sip-voip-xmpp-im
> 
> For our first target, I think we should concentrate on getting a set of requirements which is agreeable for all.
> 
> Regards,
> Simo
> 
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