[Freeswitch-users] Unreliable DTMF

Avi Marcus avi at avimarcus.net
Fri Jul 26 18:43:16 MSD 2013


This is from the default.xml file:

      <!--
  This is an example of how to auto detect if telephone-event is missing
and activate inband detection
      -->
      <condition field="${switch_r_sdp}"
expression="a=rtpmap:(\d+)\stelephone-event/8000" break="never">
<action application="set" data="rtp_payload_number=$1"/>
 <anti-action application="start_dtmf"/>
      </condition>


-Avi


On Fri, Jul 26, 2013 at 2:05 PM, Alex Lake <alex at digitalmail.com> wrote:

> And just for clarification, what do I have to do to get inband DTMF
> working?
> I know that I have to do the "start-dtmf" thing, but do I have to change
> anything in the SIP profile to encourage originating networks not to try
> anything clever?
>
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