[SR-Users] Critical Error

[Nicolas Breuer]

Hi,

Can I help to find the cause ?


> Le 28 déc. 2017 à 18:32, Daniel Tryba <d.tryba at pocos.nl> a écrit :
> 
>> 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 at 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.
> 
> 
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users