[OpenSIPS-Users] From a moment OpenSIPS ignores one end of the communication

[Liviu Chircu]

Hi Jorge,


Are you able to record a .pcap of this message sequence? Also, if you 
can afford to extract some "log_level = 4" debug logs, that would be 
even better.


Best regards,

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

On 30.07.2018 11:15, Jorge Luis Ortea wrote:
> Hi all,
>
> Very strange case, OpenSIPS in the middle SIP transaction ignores one 
> end of the communication.
>
> The schema is very simple, OpenSIPS exchanges SIP traffic between 
> another OpenSIPS (with a passthrough T38 Asterisk behind) and a SBC, 
> during a T38 fax call.
>
> The sniffer on the Opensips interfaces shows that the packets are 
> arriving correctly.
>
> In the capture can see the packets with red arrow are ignored, not 
> even writes in log, as if this packet did not exist, it always ignores 
> the same SIP packets, all calls are same.
>
> Without firewall, selinux, ip or port changes ....
>
> A curious detail, from a moment Opensips ignores packets from 
> 10.201.198.60, however after BYE packet seems that it manages SIP 
> packets again.
>
> Attachment wireshark capture:
> http://pasteall.org/pic/show.php?id=2c8da47592429e09e462dae45f41e74c
>
>
> Very Thanks.
> Regards.
>
>
>
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