Bogdan, I don't understand how to
make this with openser.
but I understand the keepalive
mechanism
can you help me?
best regards
Javier Ramirez
----- Original Message -----
Sent: Wednesday, June 21, 2006 1:35
PM
Subject: Re: [Users] keep alive using
RE-INVITE
Javier,
I guess the RFC3261 or google (SIP + reINVITE)
are the best source for
looking
into.
regards,
bogdan
Javier Ramirez wrote:
>
Bogdan,
> I read that a lot of person use the RE-INVITE to keepalive the
call
> but I donīt understand this.
> please, can you help me
?
> best regards
> Javier Ramirez
>
>
> ----- Original Message
-----
> *From:* Bogdan-Andrei Iancu <mailto:bogdan@voice-system.ro>
>
*To:* Javier Ramirez <mailto:jvr_78@yahoo.com.ar>
>
*Cc:* users@openser.org <mailto:users@openser.org>
>
*Sent:* Thursday, June 08, 2006 7:14 AM
>
*Subject:* Re: [Users] keep alive using
RE-INVITE
>
> Hi
Javier,
>
> this is quite impossible to do
- by sending re-INVITEs from a middle
> point,
you will break the CSEQ consistency between the end
points.
> Within the dialog, the cseq must
increase from message to message
> -
if
> you send a re-invite to point A with cseq
n+1, after a while point
> B
may
> sent a request with the same cseq since it
was not aware that some
>
party
> in the middle changed the
number.
>
> the best way to do it is if
you have a end2end keepalive mechanism as
>
Session-Timer.
>
>
regards,
>
bogdan
>
> Javier Ramirez
wrote:
>
> > Hi
!
> > I looking for a mechanism to keep
alive, and I see that is used the
> >
RE-INVITE, but
> > How to use the Re-INVITE
to a keep alive mechanism ?
> > exist another
way to implement another keep alive mechanism
?
> >
> >
best regards
> > Javier
ramirez
> >
>
>------------------------------------------------------------------------
>
>
>
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>
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>
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>
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