[OpenSIPS-Users] rtpengine aborting loop when reinvite is sent

Mario San Vicente mrsanvicente at gmail.com
Fri Jul 17 21:06:51 EST 2020


Thanks for your explanation Alex,

Actually i compiled the latest..git clone
https://github.com/sipwise/rtpengine.git

But still i dont have a clue on how to solve it, any advise?

Thank you
Mario

On Fri, Jul 17, 2020 at 2:34 PM Alex Balashov <abalashov at evaristesys.com>
wrote:

> This happens when an SDP body that has already been passed to RTPEngine,
> and already adulterated by RTPEngine, is passed to it yet again.
>
> Newer versions of RTPEngine have a loop protection feature to deal with
> it. It involves injecting an unregistered a=rtpengine attribute into the
> SDP, to say “I was already here”.
>
> Most common cause on in-dialog requests (e.g. reinvites) is that next hop
> is set to proxy itself due to RFC 2543 endpoint behaviour. So, the proxy
> forwards the reinvite to itself and, unsurprisingly, invokes RTPEngine
> again. Many times this can be fixed on the endpoint.
>
>> Sent from mobile, with due apologies for brevity and errors.
>
> On Jul 17, 2020, at 3:19 PM, Mario San Vicente <mrsanvicente at gmail.com>
> wrote:
>
> 
> Hello Everyone,
>
> I have a scenario, where opensips is working with rtpengine . Call
> connects fine with audio.
>
> I have enabled reinvite pinging to keep the call alive ; when the reinvite
> is sent to both legs of the calls i get  error messages  and NO AUDIO.  The
> reinvite has full SPD body.
>
> some config related:
>
> modparam("rtpengine", "rtpengine_sock", "udp:127.0.0.1:2123")
> modparam("dialog", "reinvite_ping_interval", 60)
> record_route();
>  create_dialog("rR");
>
> intermitent LOGS, until server is reboot:
>
>  rtpengine[21823]: ERR: Too many packets in UDP receive queue (more than
> 50), aborting loop. Dropped packets possible
>  rtpengine[21823]: WARNING: More than 30 duplicate packets detected,
> dropping packet to avoid potential loop
>
> Any idea what might be wrong?
>
> thanks you in advance!
>
> --
> Mario San Vicente
> Cheers!
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-- 
Mario San Vicente
Cheers!
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