[Freeswitch-users] Freeswitch not replying ACK to some 200 OK messages

Sergey Safarov s.safarov at gmail.com
Tue Aug 4 18:41:50 UTC 2020


I looked similar error on 1.10.3 release
After I reverted back to 1.8.5

Required make bisect to find bad commit.
But not done.


On Tue, Aug 4, 2020 at 8:59 PM Victor Chukalovskiy <
victor.chukalovskiy at gmail.com> wrote:

> Hi, possible that ACK is sent but it goes to a bogus public or private
> IP derived from the contact header somewhere in your call flow?
>
> On 2020-08-04 12:20 p.m., Alejandro Recarey wrote:
> > Hello everyone!
> >
> > I’m having an issue where freeswitch sometimes will not send ACK back to
> a 200 OK message. These are outbound calls made by mod_callcenter, and
> every 64 seconds a RE-INVITE is issued. My UA’s answer with a 200 OK, and
> most of the times, Freeswitch then sends an ACK. However, sometimes the ACK
> is not sent, and this causes the UA to drop the call 30 seconds later.
> >
> > At the moment I’m checking on ways to increase the session timers for
> these calls, as all of my UA are WSS connections and thus TCP based, I’m
> not worried about NAT. But sending so many critical REINVITES per call
> means that if something is missed like is happening, the call will drop.
> Has anybody else encountered this issue? I’m running on 1.10.
> >
> > I don’t see anything special in the Freeswitch logs.
> >
> > Curiously, the header shows `Session-Expires: 120;refresher=uac` but FS
> is refreshing the session every 64 seconds.
> >
> > I know its ClueCon now, congrats everyone! I hope someone has
> encountered this before and can point me in the right direction.
> >
> > Thanks again!
> > _________________________________________________________________________
> >
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> >
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> >
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>
>
> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
> services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time
> https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> https://freeswitch.com
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