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@2.2.2.2/ <http://7Qbq3O3CReMfPflAtl8NY3ddTqPVBHO2785126@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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