Re: rtpengine. Unknown codecs

disa_369＠msn.com wrote:
> After upgrading minor version Debian 12, Kamailio and rtpengine stopped proxying media traffic. (The combination works exclusively as a SIP proxy.)
> Systemctl status kamailio and rtpengine is ok (enabled, activating).
> No configuration errors.
> Call flow.
> PBX --> Kamailio\rtpengine ---> Video conference system. Internal audio calls only.
> When calling, there's silence and the connection hangs up.
> Found some strange rtpengine logs.
>  Unknown codecs? How is it?-)
> ```
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: DEBUG: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] ---     subscription for media 
> with monologue tag '' (index: 1)
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: INFO: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] ------ Media #1 (audio over 
> RTP/AVP) using unknown codec
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: INFO: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] --------- Port   
> 10.192.32.185:34704 <>     10.18.4.150:19196, SSRC 0, in 0 p, 0 b, 0 e, 60 
> ts, out 0 p, 0 b, 0 e
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: INFO: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] --------- Port   
> 10.192.32.185:34705 <>     10.18.4.150:19197 (RTCP), SSRC 0, in 0 p, 0 b, 0 
> e, 60 ts, out 0 p, 0 b, 0 e
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: INFO: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] --- Tag '', created 1:00 ago for 
> branch ''
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: DEBUG: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] ---     subscribed to media with 
> monologue tag 'g6y6ceEKEgSXE8bhChIElxPETPE5hQAq' (index: 1)
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: DEBUG: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] ---     subscription for media 
> with monologue tag 'g6y6ceEKEgSXE8bhChIElxPETPE5hQAq' (index: 1)
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: INFO: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] ------ Media #1 (audio over 
> RTP/AVP) using unknown codec
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: INFO: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] --------- Port   
> 10.192.32.185:37950 <>                :0    , SSRC 0, in 0 p, 0 b, 0 e, 60 
> ts, out 0 p, 0 b, 0 e
> Oct 09 15:01:14 zaks-sbc01-op rtpengine[1158181]: INFO: 
> [83d0bc50a50711f09a58e0071bf41f9b]: [core] --------- Port   
> 10.192.32.185:37951 <>                :0     (RTCP), SSRC 0, in 0 p, 0 b, 0 
> e, 60 ts, out 0 p, 0 b, 0 e
> ```
> Any help?
> Thx

I checked out Firewall rules and noticed that some rules missing for outgoing media traffic.
Thank all.
Tiket closed!!
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