But I use *rtpengine_answer("codec-mask-opus codec-transcode-PCMA")* and as
I understand it should mask opus in OK and enable transcoding to PCMA.
"Change your config in side A to take only PCMA effective." - yes, I tested
and it works well, but it is out of my scenario.On 20 February 2018 at 14:54, Gopalakrishnan N <[email protected]> wrote: > Yes correct. RTP is good since the OPUS codec is available in both the > sides its getting negotiated. Change your config in side A to take only > PCMA effective. > > On Tue, 20 Feb 2018 at 18:05 Denys Pozniak <[email protected]> > wrote: > >> Thank you for the answer, but from "SDP" point of view everything looks >> OK, I think issue is with my config or transcoding engine: >> >> Side A INVITE-> Proxy/Rtpengine: >> >> v=0 >> o=- 3543840537 1 IN IP4 >> s=SIPPER for PhonerLite >> c=IN IP4 side_a >> t=0 0 >> m=audio 55062 RTP/AVP 107 8 >> a=rtpmap:107 opus/48000/2 >> a=rtpmap:8 PCMA/8000 >> a=ssrc:1792443851 >> a=sendrecv >> >> Proxy/Rtpengine OK -> Side A: >> >> v=0 >> o=- 3728121777 3728121778 IN IP4 >> s=pjmedia >> b=AS:50 >> t=0 0 >> a=X-nat:0 >> m=audio 30254 RTP/AVP 8 >> c=IN IP4 rtpengine >> b=TIAS:32000 >> a=rtpmap:8 PCMA/8000 >> a=sendrecv >> a=rtcp:30255 >> >> So here must be PCMA in direction from Proxy/Rtpengine -> Side A, but I >> have opus. >> >> >> >> >> >> >> >> On 20 February 2018 at 12:41, Gopalakrishnan N <[email protected]> wrote: >> >>> Hi Denys, >>> >>> Am not much user of Kamilio, but am from Telecom background. The reason >>> for your case is, in side A you have OPUS and in side B already OPUS is >>> available and since both has the same codec as first priority it will >>> negotiate itself with same codec and then it will look for other priority. >>> Remove OPUS from side A and it will automatically go into transcoding mode. >>> >>> On Tue, 20 Feb 2018 at 16:17 Denys Pozniak <[email protected]> >>> wrote: >>> >>>> Hello! >>>> >>>> Please explain how to achive next: >>>> >>>> Side A supports: >>>> OPUS >>>> PCMA >>>> >>>> Side B supports: >>>> OPUS >>>> PCMA >>>> PCMU >>>> >>>> I need to transcode in direction A->B from PCMA to OPUS? >>>> So should be like this: >>>> A(PCMA) -> (PCMA)Rtpengine(OPUS)->B(OPUS) >>>> >>>> I configured like this: >>>> rtpengine_offer("codec-mask-PCMA codec-transcode-opus"); >>>> rtpengine_answer("codec-mask-opus codec-transcode-PCMA"); >>>> >>>> But leg from Rtpengine to A has wrong codec (OPUS): >>>> https://drive.google.com/file/d/14GAIt8lL7Igj9S95b_RS6CXtmGVhjLa1/view >>>> >>>> >>>> >>>> >>>> On 19 February 2018 at 13:56, Richard Fuchs <[email protected]> wrote: >>>> >>>>> On 2018-02-19 05:48 AM, Denys Pozniak wrote: >>>>> >>>>>> Hello! >>>>>> >>>>>> Small note. >>>>>> In case of opus use: codec-transcode-opus (opus is lowercase). >>>>>> >>>>> >>>>> As explained in the readme, the format generally follows the SDP >>>>> format, including specifying sample rate and number of channels. As an >>>>> additional parameter, the bitrate can be specified for codecs that support >>>>> it. >>>>> >>>>> Examples: >>>>> >>>>> transcode-speex/32000 >>>>> >>>>> transcode-opus/48000/2/64000 >>>>> >>>>> >>>>> Cheers >>>>> >>>>> _______________________________________________ >>>>> Kamailio (SER) - Users Mailing List >>>>> [email protected] >>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>> >>>> >>>> >>>> >>>> -- >>>> >>>> BR >>>> Denys Pozniak >>>> _______________________________________________ >>>> Kamailio (SER) - Users Mailing List >>>> [email protected] >>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>> >>> >>> _______________________________________________ >>> Kamailio (SER) - Users Mailing List >>> [email protected] >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >>> >> >> >> -- >> >> BR >> Denys Pozniak >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected] >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> > > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > > -- BR Denys Pozniak
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