>>>>> "SS" == Stefan Sayer <[email protected]> writes:
>> baresip and webrtc sip clients specify opus codec like this:
>> a=rtpmap:96 opus/48000/2.
>> a=fmtp:96 stereo=1;sprop-stereo=1.
>> whereas sems does it like this:
>> a=rtpmap:105 opus/48000.
SS> I noticed that, too, but I've had audio issues with e.g. using sems
SS> echo or conference with stereo clients in master.
To be consistant with draft-ietf-payload-rtp-opus-03.txt, sems ought to
use:
a=rtpmap:105 opus/48000/2
The two sides should be able to negotiate stereo=0 provided that the
rtpmap is opus/48000/2. (Note that on its own opus/48000/2 is mono,
even though it looks like stereo.)
-JimC
--
James Cloos <[email protected]> OpenPGP: 0x997A9F17ED7DAEA6
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