[Freeswitch-users] How to filter inband DTMF on bridged call?

[Andrew Newlands]

Thanks, Avi.

I just tried that, but it seemed to have no effect.

This is what I had in the dialplan:

   <action application="start_dtmf" />
   <action application="set" data="rtp_manual_rtp_bugs=FLUSH_JB_ON_DTMF"/>
   <action application="set" data="jitterbuffer_msec=60"/>
   <action application="set" data="sip_jitter_buffer_during_bridge=true"/>
   <action application="bridge" 
data="user/${dialed_extension}@${domain_name}"/>

I then used Zoiper, configured with DTMF set to inband, to call a Snom 
handset.  Any DTMF sent from Zoiper, on the aleg, was detected as 
SWITCH_DTMF_INBAND_AUDIO, but the tones are still being clearly heard on 
the bleg at the Snom handset.

Is there something else I need to set (or not set)?

Andy

On 12/07/16 16:00, Avi Marcus wrote:
> You can use:
> <action application="set" data="rtp_manual_rtp_bugs=FLUSH_JB_ON_DTMF"/>
> <action application="set" data="jitterbuffer_msec=60"/>
> <action application="set" data="sip_jitter_buffer_during_bridge=true"/>
>
> -Avi Marcus
> BestFone
>
>
> On Tue, Jul 12, 2016 at 5:44 PM Andrew Newlands 
> <anewlands at btlnet.co.uk <mailto:anewlands at btlnet.co.uk>> wrote:
>
>     Does anyone know how to filter inband DTMF, on a bridged call,
>     such that inband DTMF from one leg is not passed to the other leg?
>
>     E.g. replace the DTMF with silence or, possibly, a masking tone?
>
>     Many thanks
>
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