[SR-Users] Whats is wrong in this call

Sergey Safarov s.safarov at gmail.com
Tue May 15 23:40:48 CEST 2018


Hello Alex

Contact string from OK response (Fork of Linphone)

Contact: <sip:user_7u9bbhcwxz at 96.231.222.110:52303
;transport=tcp>;+sip.instance="<urn:uuid:64862a3d-4380-4e21-89db-9e718493a4b1>"


RURI header from FreeSwitch 1.6.20 ACK

Request-Line: ACK sip:user_7u9bbhcwxz at 96.231.222.110:52303;transport=tcp
SIP/2.0

Is param ;+sip.instance="<urn:uuid:64862a3d-4380-4e21-89db-9e718493a4b1>"
important to loos route message?

Sergey


пн, 14 мая 2018 г. в 21:42, Alex Balashov <abalashov at evaristesys.com>:

> Hi,
>
> There are UAs and gateways out there which construct the ACK
> incorrectly and always set the domain of the RURI to the next hop.
>
> Does the Request URI of the ACK match the remote Contact in the 200 OK?
>
> On Mon, May 14, 2018 at 09:39:44PM +0300, Sergey Safarov wrote:
>
> > Hello
> > I have a call with not passed ACK by Kamailio. http://prntscr.com/jhtobo
> > Same behaviour i looked before when SIP endpoint contact string is wrong
> > In this call look as contact string correct is correct (packets 7 and 8)
> > and i not understand why ACK (packet 9) not passed to callee.
> >
> > Could you help me understand this.
> >
> > PCAP file is create using homer tracer and TCP transport packets is
> stored
> > as UDP.
> >
> > Sergey
>
>
> > _______________________________________________
> > Kamailio (SER) - Users Mailing List
> > sr-users at lists.kamailio.org
> > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
>
> Tel: +1-706-510-6800 <(706)%20510-6800> / +1-800-250-5920
> <(800)%20250-5920> (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
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