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Re: [Stox] Instant Messaging (draft-ietf-stox-im-00) and SIP Contact header field

Paul Kyzivat <pkyzivat@alum.mit.edu> Wed, 14 August 2013 20:29 UTC

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Subject: Re: [Stox] Instant Messaging (draft-ietf-stox-im-00) and SIP Contact header field
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On 8/2/13 12:54 PM, Saúl Ibarra Corretgé wrote:
>
> On Aug 2, 2013, at 12:50 PM, Christer Holmberg <christer.holmberg@ericsson.com> wrote:
>
>> Hi,
>>
>> If you want to signal who sent the message, I believe we can find another mechanism for that.
>>
>
> I guess we are open to suggestions :-)
>
>> The GRUU is not really intended to indicate user identity anyway, and IF you want to use GRUU I believe you need to define how the gateway gets assigned the GRUU.
>>
>
> -core defines how we use GRUU which is required, in a nutshell, a GRUU is translated to a full JID and vice versa. Now, IIRC GRUUs are used just in the Contact header (which we can't use here) and not in the From header, for instance.

There is nothing to *prevent* use of a gruu in From, but it isn't what 
is normally used.

If you happen to find a gruu in From, then it probably makes sense to 
translate it to a full JID.

	Thanks,
	Paul

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