[Freeswitch-users] start_dtmf when no RFC 2833

[Phillip Jones]

Just for others looking later, here is the final code I came up with, with
rtp_payload extracted.

if session:getVariable("switch_r_sdp") ~= nil then
 local s = '[[' .. session:getVariable("switch_r_sdp") ..']]'
 if string.find(s, "a=rtpmap:(%d+)%stelephone%-event%/8000") ~= nil then

freeswitch.consoleLog("debug", "NO NEED TO START starting
spandsp_start_dtmf\n")
 local payload = string.match(s,"a=rtpmap:(%d+)%stelephone%-event%/8000")
 if payload  ~= nil then
freeswitch.consoleLog("debug", "rtp_payload_number = " .. payload  .."\n")
end

else

freeswitch.consoleLog("info", "starting spandsp_start_dtmf\n")
session:execute("spandsp_start_dtmf")
session:sleep(2000)
 end

end


Cheers

Phil




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