[OpenSIPS-Users] Problem with simultaneous CANCEL + 200 OK

[Daniel Zanutti]

Hi Bogdan

Thanks for replying.

Here is the PCAP, please take a look:
https://drive.google.com/file/d/1e7SKjxDtdVYmN-7fCHSEqNEsNHjPsaKo/view?usp=sharing

Thanks

On Thu, Feb 22, 2018 at 7:30 AM, Bogdan-Andrei Iancu <bogdan at opensips.org>
wrote:

> Hi Daniel,
>
> Without a pcap showing the signaling is hard to understand (not to mention
> helping) your scenario. Please provide a link to the pcap or ngrep.
>
> Regards,
>
> Bogdan-Andrei Iancu
>
> OpenSIPS Founder and Developer
>   http://www.opensips-solutions.com
> OpenSIPS Summit 2018
>   http://www.opensips.org/events/Summit-2018Amsterdam
>
> On 02/20/2018 06:43 PM, Daniel Zanutti wrote:
>
> Hey
>
> I had a problem when receiving simultaneous CANCEL from customer and 200
> OK from gateway.
>
> Seems that the first CANCEL was rejected, but the second CANCEL was
> accepted. This second CANCEL did NOT go to the gateway, just Opensips
> received and replied with 200 OK.
>
> This is the log of the first CANCEL:
> Feb 15 18:39:22 /sbin/opensips[28845]: SCRIPT:TRAFFIC:WARNING: method
> CANCEL ( 7Qbq3O3CReMfPflAtl8NY3ddTqPVBHO2785126 at 2.2.2.2/ XAeG2xj278512T2
> / 1839212581509953 ) not validated and not fixed ( code=-1 )
>
> code -1 is the return of validate_dialog()
>
> Second CANCEL didn't generated a log.
>
> Shouldn't all CANCELs be rejected? On this case, just the first one was
> rejected.
>
> I'm using version 1.9.11.
>
>
>
>
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>
>
>
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