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

[Anthony Minessale]

no we fully support it, just add it to your config

google for iana codec sdp for the reserved numbers and what they mean.


On Tue, Jan 5, 2010 at 11:40 PM, Mark Campbell-Smith <
mcampbellsmith at gmail.com> wrote:

> Thanks Brian and Anthony.
>
> Brian: 2 = G723-32 Do you mean G721 instead of G723-32 ?
>
> 2010-01-05 18:57:56.845029 [DEBUG] sofia_glue.c:3306 Audio Codec
> Compare [G721:2:8000:20]/[G726-32:2:8000:20]
>
> So the only codec they have offered is G723-32 (or G721), which FS
> only supports as a passthrough codec.  Is that correct?
>
>
> On Wed, Jan 6, 2010 at 4:20 PM, Anthony Minessale
> <anthony.minessale at gmail.com> wrote:
> > 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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