[Serusers] HELP: re-INVITE Sometimes Not Processed Properly

[Java Rockx]

Ahhh, the problem has been somewhat identified.

As soon as I removed Juha's LCR module from my ser-0.9.1 configuration
all worked 100% properly :-(

Now I need to try and understand what it is doing.

Regards,
Paul


On Tue, 15 Mar 2005 17:08:04 +0100, Klaus Darilion
<klaus.mailinglists at pernau.at> wrote:
> This should be handled internally. As soon as the retransmitted INVITE
> hits the tm functions (t_newtran, t_relay) it should be absorbed.
> 
> klaus
> 
> 
> Java Rockx wrote:
> 
> > Klaus,
> >
> > What would prevent ser from sending the INVITE for which a 200OK as
> > already been received? Is this something in ser.cfg or is it something
> > internal to the ser core?
> >
> > Regards,
> > Paul
> >
> >
> > On Tue, 15 Mar 2005 16:44:55 +0100, Klaus Darilion
> > <klaus.mailinglists at pernau.at> wrote:
> >
> >>Hi Paul!
> >>
> >>Java Rockx wrote:
> >>
> >>>INVITE sent to PSTN gateway
> >>>PSTN GW sends 180 Ringing
> >>>PSTN GW sends 200 OK, which is sent to the SIP UA
> >>>SIP UA replied with ACK, which is sent to the PSTN GW
> >>>Time Elapses
> >>>PSTN GW sends re-INVITE, which is sent to the SIP UA
> >>>SIP UA replies with 200 OK, which is sent to the PSTN GW
> >>>PSTN GW sends another re-INVITE
> >>
> >>This is a retransmission - apparently the response needed more then
> >>0.5s. But the Gateway shouldn't send retransmissions, as it already
> >>received a 100 Trying. (Does the 100 trying really hit the gateway?)
> >>
> >>
> >>>PSTN GW sends an ACK, which is sent to the SIP UA
> >>>re-INVITE (received immediated before the ACK) is sent to the SIP UA
> >>
> >>The SIP proxy shouldn't forward the INVITE as he already received the
> >>200 Ok. Strange things are happening.
> >>
> >>regards,
> >>klaus
> >>
> >>
> >
> >
> 
>