2 Jan
2018
2 Jan
'18
8:10 p.m.
Hello the list,
Just to inform you that the issue was solved.
The error in Kamailio was caused by a wrong signaling from our upstream.
-----Message d'origine-----
De : sr-users [mailto:sr-users-bounces@lists.kamailio.org] De la part de Nicolas Breuer
Envoyé : samedi 30 décembre 2017 17:32
À : sr-users(a)lists.kamailio.org
Objet : Re: [SR-Users] Critical Error
Hi,
Can I help to find the cause ?
Le 28 déc. 2017 à 18:32, Daniel Tryba
<d.tryba(a)pocos.nl> a écrit :
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On Thu, Dec 28, 2017 at 04:21:28PM +0000, Nicolas
Breuer wrote:
I see this :
SIP/2.0 183 Session Progress.
CSeq: 1258951486 INVITE.
Require: 100rel.
SIP/2.0 180 Ringing.
CSeq: 1258951486 INVITE.
Require: 100rel.
PRACK sip:3222430244@80.84.31.129:5060 SIP/2.0.
CSeq: 1258951487 PRACK.
Indeed after the PRACK there is no ? 18x ?
packets.
You misinterpreted:
I looked at the code and this log happens when a
PRACK is received,
but there was no 183 (or other 1xx) response. Can you check the sip
traffic and see what packets are sent around?
A PRACK is a PRovisional ACKnowlegde to messages that don't need any
responses in plain old SIP. So the PRACK is a correct new message in
response to the 18X received (with req rel100).
I'm not seeing these errors in dialog on 4.4.6 setups where upstream
demands PRACK.
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