[OpenSIPS-Users] Siprec subscribe-answer rtpengine flags

Răzvan Crainea razvan at opensips.org
Tue Jun 10 07:57:59 UTC 2025


Hi, Walter!

You can pass the allow-transcoding flags in the $siprec(media) variable, 
before engaging recording:

$siprec(media) = "allow-transcoding";

Best regards,

Răzvan Crainea
OpenSIPS Core Developer / SIPhub CTO
http://www.opensips-solutions.com / https://www.siphub.com

On 6/3/25 11:50 AM, Walter Schober wrote:
> Hi!
> 
> I’ve successfully managed to record a call via SIPREC module using OpenSIPS 3.6.0 and RTPEngine 13.2.
> 
> But I needed to do a trick to have the subscribe-answer to allow transcoding: I used a template „default“ in the rtpengine.conf to set
> 
> [templates]
> default = allow-transcoding asymmetric
> 
> This is global unfortunately. I searched all the module documentations siprec, dialog, rtp_relay (I understood: rtpengine cannot be done directly in 3.6 with siprec). I looked even into source code.
> I haven’t found any hint how to add RTPEngine flag „allow-transcoding“ to the „subscribe answer“ command in opensips.
> 
> Did I miss something or is this not possible?
> 
> Thanks for help me understanding this!
> br
> Walter
> 
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