Re: [Sip] submission of a new I-D: "Dialog Event foR Identity VErification"

["Iñaki Baz Castillo" <ibc at aliax.net>]

2008/10/28 Bob Penfield <BPenfield at acmepacket.com>:
> Could your proxy distinguish between subscription for the presence server and those for the UA based on the Request-URI? Something like this:
>
> For the presence server:
>
>        SUBSCRIBE sip:ps.example.com
>
> For the UA:
>
>        SUBSCRIBE sip:user at example.com

This is incorrect. The sender of the SUBSCRIBE will always use:
  SUBSCRIBE sip:user at example.com

Also, this sender doesn't know if its SUBSCRIBE wil be handled by A's
UA or by a presence server.


Example:

- A calls B:
    INVITE sip:B at domain_B.com
    From: sip:A at domain_A.org;tag=1234
    Call-ID: abcdefg

- B generates this SUBSCRIBE:
    SUBSCRIBE sip:A at domain_A.org SIP/2.0
    From: B at domain_B.com;tag=xxxxx
    To: sip:A at domain_A.org
    Event: dialog;call-id=abcdefg;to-tag=1234


The SUBSCRIBE sent by B *always* contains the username (A) in the RURI.

-- 
Iñaki Baz Castillo
<ibc at aliax.net>
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