[Freeswitch-users] Codec Negotiation: Codec telephone-event:101:8000:20

[Anthony Minessale]

those are not audio codecs CN is just comfort noise and telephone-event is
dtmf


On Tue, Jan 5, 2010 at 11:03 PM, Mark Campbell-Smith <
mcampbellsmith at gmail.com> wrote:

> ahh... thats what I thought originally.
>
> So what codecs match CN and telephony-event?  Where can I find these
> mappings?
>
> m=audio 47904 RTP/AVP 2 101 13
>
> Audio Codec Compare [telephone-event:101:8000:20]/[PCMA:8:8000:20]
> Audio Codec Compare [CN:13:8000:20]/[G726-32:2:8000:20]
>
> Thanks Brian!
>
> On Wed, Jan 6, 2010 at 3:20 PM, Brian West <brian at freeswitch.org> wrote:
> > Lets try this again.. THIS SDP IS NOT from FreeSWITCH its an inbound
> invite to FreeSWITCH... fix that and you'll be golden.
> >
> > /b
> >
> > On Jan 5, 2010, at 9:36 PM, Mark Campbell-Smith wrote:
> >
> >> 2010-01-05 18:57:56.845029 [DEBUG] sofia.c:3845 Remote SDP:
> >> v=0
> >> o=Sippy 257534956 1 IN IP4 80.232.37.178
> >> s=-
> >> t=0 0
> >> m=audio 47904 RTP/AVP 2 101 13
> >> c=IN IP4 213.50.90.3
> >> a=rtpmap:101 telephone-event/8000
> >> a=fmtp:101 0-15
> >
> >
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-- 
Anthony Minessale II

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