[Freeswitch-users] how to catch DTMF in Lua while a phrase macro is playing

Brian West brian at freeswitch.org
Sat Aug 8 08:59:42 PDT 2009

Examples exist in the scripts/lua folder called callback.lua.  Also  
please DO NOT hijack threads.  You can't click reply, change the  
subject as it messes up the mailing list threading and most mail  
readers will thread it incorrectly.


On Aug 8, 2009, at 10:15 AM, Chad Phillips -- Apartment Lines wrote:

> in a lua script, i've tried using session:setInputCallback() to catch
> DTMF tones while a phrase macro is playing, but it doesn't seem to
> work.  the same callback _does_ catch DTMF when i use
> session:streamFile() to play something.  is there some other way to do
> it?
> below is an example of how i'm doing it now.  when voicemail/vm-
> mailbox_full.wav plays, i see key presses being printed to the
> console, but when the phrase plays, no key presses are displayed.
> function key_press(session, input_type, data)
> 	if input_type == "dtmf" then
> 		freeswitch.consoleLog("info", "Key pressed: " .. data["digit"] ..
> "\n")
> 	end
> end
> if session:ready() then
> 	session:answer()
> 	session:execute("sleep", "1000")
> 	session:setInputCallback("key_press", "")
> 	session:streamFile("voicemail/vm-mailbox_full.wav")
> 	session:execute("phrase", "voicemail_menu,1:2:3:#")
> end
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