[asterisk-users] Mute DTMF

SamyGo govoiper at gmail.com
Fri Mar 30 00:45:36 CDT 2012

I not sure why your dtmfmode isn't working. The way I turned off the dtmf
within an IVR was:

1- fix the dtmfmode of any sip user to rfc2833, so he is able to send dtmf
to navigate within the IVR.
2- For places where I wanted to ignore any user DTMF key presses, I changed
the dtmfmode of channel in the dialplan.

That way I knew that the call will be negotiated on rfc2833 but changing
that during the call ignores any key presses and reverting back again makes
it functional again !!

I hope this helps.


On Fri, Mar 30, 2012 at 2:54 AM, John Kiniston <johnkiniston at gmail.com>wrote:

> On Thu, Mar 29, 2012 at 12:09 PM, Todd Routhier <fonemasta at gmail.com>wrote:
>> I have been breaking my head on this, can't find a solution.
>> Anyone know a way to mute DTMF on SIP? I have already tried changing the
>> dtmfmode option and messing with different codec/dtmfmode settings but so
>> far, not having any luck.
> It's not an asterisk based solution but you could use RFC2833 signalling
> and then drop the RTP DTMF packets at your firewall.
> --
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