[Freeswitch-users] How to disable FS DTMF detection

[Adrian Worutowicz]

There are telephones on both sides.

Roughly: I get a call from ext. 9999:

[NOTICE] switch_channel.c:1104 New Channel sofia/external/9999 at 192.168.1.200 [2052b613-fab8-4508-8c2d-1c3e04c1c598]

I bridge it to ext. 6005:
EXECUTE sofia/external/6005 at 192.168.1.205 bridge(X1_T2_OUT/9999)


9999 talks to 6005. The DTMFs get intercepted and interpreted by FS (see the mail below).

Thank you for any tip on how to stop it.

De : FreeSWITCH-users [mailto:freeswitch-users-bounces at lists.freeswitch.org] De la part de David Villasmil
Envoyé : mardi 19 février 2019 16:26
À : FreeSWITCH Users Help
Objet : Re: [Freeswitch-users] How to disable FS DTMF detection

Sorry to ask, but if your endpoint is calling your other endpoint, who is generating the DTMF?
On Tue, 19 Feb 2019 at 15:18, Adrian Worutowicz <adrian.worutowicz at esifrance.net<mailto:adrian.worutowicz at esifrance.net>> wrote:
Hi,

I've tried and failed.

When I press any key on the phone keyboard, the other end hears some residual DTMF sound and in the console I get:

2019-02-19 15:50:50.070836 [INFO] switch_channel.c:515 RECV DTMF 3:1760
2019-02-19 15:50:51.350964 [INFO] switch_channel.c:515 RECV DTMF 6:1920
2019-02-19 15:50:52.390068 [INFO] switch_channel.c:515 RECV DTMF 9:1760
2019-02-19 15:50:52.470076 [INFO] switch_channel.c:515 RECV DTMF 9:1112

I want the DTMF tones to pass freely from one phone to another with no interference.

Thanks,
Adrian.

-----Message d'origine-----
De : FreeSWITCH-users [mailto:freeswitch-users-bounces at lists.freeswitch.org<mailto:freeswitch-users-bounces at lists.freeswitch.org>] De la part de Vallimamod Abdullah
Envoyé : mardi 19 février 2019 12:39
À : FreeSWITCH Users Help
Objet : Re: [Freeswitch-users] How to disable FS DTMF detection

Hi,

You need to put the
  <param name="pass-rfc2833" value="true"/> in your sip profile like all other params.

It is not necessary however as you can just put
  <action application="export" data="pass_rfc2833=true"/> in your dialplan, notice the export instead of set.

The spandsp_stop_dtmf only works for inband dtmf, not the rfc2833 one.

Hope this helps.


Best Regards,
--
Vallimamod Abdullah
SIP Solutions
vma at sip.solutions<mailto:vma at sip.solutions>
linkedin.com/in/vallimamod<http://linkedin.com/in/vallimamod>
.


> On 19 Feb 2019, at 10:40, Adrian Worutowicz <adrian.worutowicz at esifrance.net<mailto:adrian.worutowicz at esifrance.net>> wrote:
>
> Hi,
>
> I’ve developed a couple of endpoints and I use bgapi originate & bridge.
> Free Switch intercepts and interprets DTMF and I do not want that.
>
> In the dialplan I tried:
>
> <param name="pass-rfc2833" value="true"/>
> <action application="set" data="pass_rfc2833=true"/>
>
> <action application="set" data="exec_after_bridge_app=stop_dtmf"/>
> <action application="stop_dtmf">
>
> <action application="spandsp_stop_dtmf"/>
>
> None of those methods works.
>
> Maybe there is a parameter in originate that I should use?
>
> *** How to tell Free Switch to leave alone the DTMF tones? ***
>
> I’ll appreciate any help,
> Adrian.
> _________________________________________________________________________
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_________________________________________________________________________
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_________________________________________________________________________
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Official FreeSWITCH Sites
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https://freeswitch.org/confluence
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