[OpenSIPS-Users] Siprec subscribe-answer rtpengine flags

Walter Schober walter.schober at neotel.at
Tue Jun 3 08:50:10 UTC 2025


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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