[Freeswitch-users] Force Inband DTMF Reception

[Adrian Worutowicz]

I tried in the SIP profile:  <param name="dtmf-type" value="none"/>

And in dialplan default.xml / <extension name  I put <action application="set" data="dtmf_type=none"/>
and also I tried <action application="bridge" data="{dtmf_type=none} …

None of those worked.



De : FreeSWITCH-users <freeswitch-users-bounces at lists.freeswitch.org> De la part de Dragos Oancea
Envoyé : jeudi 26 novembre 2020 18:10
À : FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
Objet : Re: [Freeswitch-users] Force Inband DTMF Reception

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 at esifrance.net<mailto:adrian.worutowicz at 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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