[SR-Users] BYE and TCP

Carsten Bock carsten at ng-voice.com
Wed Nov 4 13:59:32 CET 2020


Hi,

I think you are searching for this parameter:

http://www.kamailio.org/wiki/cookbooks/devel/core#tcp_reuse_port

It basically tells the kernel not to choose a new port at random for a new
connection, but it will try to reuse the existing port (in your case 5071).

Thanks,
Carsten


--
Carsten Bock I CTO & Founder

ng-voice GmbH

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Am Mi., 4. Nov. 2020 um 12:07 Uhr schrieb Kjeld Flarup <
kjeld.flarup at liberalismen.dk>:

> Hello
>
> I have a Kamailio running behind NAT, which sends calls to a VOIP
> service provider.
>
> I have setup the Kamalio to listen on port 5071, and also setup a port
> forward in the router.
>
> Now the problem is that with TCP, 5071 is not used for the dialog, but a
> new port is chosen everytime. This means that when the mobile phone
> called hands up, I never sees the BYE, because BYE is a new dialog.
>
>
> To which port is the server supposed to send the BYE, and what field
> tells the server this.
>
>
> --
> -------------------- Med Liberalistiske Hilsner ----------------------
>     Civilingeniør, Kjeld Flarup - Mit sind er mere åbent end min tegnebog
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>
>
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