How about if you set channel variable "dtmf_type" to value "none" ? On Thu, Nov 26, 2020 at 5:59 PM Adrian Worutowicz < adrian.worutowicz@esifrance.net> wrote:
Hello,
For incoming calls, I want to receive DTMF inband.
FS receives INVITE and at certain stage sends 200 OK with a SDP section, which always contains :
*a=rtpmap:101 telephone-event/8000* (what means ‘DTMF in RTP metadata’). Indeed the DTMFs come via RTP.
I tried various FS configuration options to remove that line, without success.
How to do it? How to tell a gateway to send DTMFs inband ?
In advance thank you very, very much,
Adrian.
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