DTMF could be 'negotiated', so seen 101 is not always true ... ;) 2017-07-07 15:41 GMT+01:00 Aqs Younas <aqsyounas@gmail.com>:
if you see "101 telephone-event" in SDP, you are getting DTMF as rfc2833.
On 7 July 2017 at 18:59, Mark Melling <mark.melling@savageminds.com> wrote:
OK, Thanks
So if the DTMF was received as SIP-INFO I assume I could switch on sip tracing (sofia global siptrace on) and I would presumably see the relevant SIP packets.
But what can I do, check for in the logs, or check say in terms of a channel variable, that would enable me verify that a DTMF was being received as RFC2833 and not received in-band?
On Fri, 7 Jul 2017 at 14:51 Raúl Alexis Betancor Santana < rbetancor@gmail.com> wrote:
Out of band allways means 'out of the audio RTP stream' ... could be RFC2833 or could be SIP-INFO
2017-07-07 10:44 GMT+01:00 Mark Melling <mark.melling@savageminds.com>:
Hi,
How can you determine if Freeswitch is receiving DTMFs in-band or out-of-band?
I'm not entirely clear on terminology here, but is out-of-band the same as rfc 2833?
Thanks
Mark
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