[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Sip] submission of a new I-D: "Dialog Event foR Identity VErification"
On Tue, Oct 28, 2008 at 10:55 AM, Juha Heinanen <jh at tutpro.com> wrote:
> Victor Pascual Ávila writes:
>
> > Concerning to the "lower delay", were you using any timer other than
> > Timer F (64*T1)?
>
> no, i'm just comparing the number of messages that each cause some
> delay.
>
> in case of a presence based solution, caller needs to publish its
> dialog, not just send an invite, which means more messages.
>
> when presence server receives subscribe from callee, it needs to make
> xcap query, before it can reply, which in again means more delay.
I'm afraid that you are assuming that a presence server is used.
Derive is an _end-to-end mechanism_ implemented in the UAs.
Cheers,
--
Victor Pascual Ávila
_______________________________________________
Sip mailing list https://www.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use sip-implementors at cs.columbia.edu for questions on current sip
Use sipping at ietf.org for new developments on the application of sip