[Freeswitch-users] start_dtmf when no RFC 2833

[Phillip Jones]

Hi All,

The following dial plan detects RFC 2833 and if it is not present, runs the
"start_dtmf" application.

<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>

I need to do this on the outbound leg - using Lua. Can anyone point me to
some code example that would achieve this or get me started?

Any help appreciated.

Thanks



Phil
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