[Freeswitch-users] Playing a sound file (or TTS) to the called party when transferring a call just before bridging

Anthony Minessale anthony.minessale at gmail.com
Mon Nov 3 08:47:58 PST 2008

your issue with pre_execute_b is probably fixed in latest trunk.
As far as execute_on_answer, you need to set the variable on that dialing
leg not the inbound leg.

{execute_on_answer=playback\s/some/file.wav}sofia/profile/u at dom.com

On Sun, Nov 2, 2008 at 8:59 PM, Gonzalo Servat <gservat at gmail.com> wrote:

> Hi All,
> This is basically what I'm trying to do:
> - Caller dials in and FS runs the Lua script I'm writing
> - Main menu is played to the caller
> - Caller presses 1
> - Still in Lua, i run session:transfer() to an extension of another
> dialplan context
> - When the called party picks up, a wav file (or TTS) is played to the
> CALLED party
> - Once the sound stops playing, the caller is bridged to the called party
> To achieve this, the nice folks at #freeswitch suggested a few things:
> 1) execute_on_answer. This doesn't appear to work ... no application seems
> to be executed when the called party picks up. Is it because the call is
> already answered when the caller originally dials in at the very beginning?
> 2) bridge_pre_execute_bleg_app / bridge_pre_execute_bleg_data. This is the
> closest I've come to getting it working. I used the following in the Lua
> script:
> if( selection == "1" ) then
>       session:setAutoHangup(false)
>       session:execute( "set", "bridge_pre_execute_bleg_app=speak" );
>       session:execute( "set", "bridge_pre_execute_bleg_data=flite|kal|this
> is kal saying something" );
>       session:transfer( "10", "XML", "extensions" )
> end
> I actually see in the logs that it's "saying text: this is kal saying
> something" but it goes no further. On the called party side, I don't hear
> the text nor is the call bridged. I tried using "playback" instead of
> "speak" to see if it was a TTS problem but no, same result.
> Any ideas?
> Thanks
> Gonzalo
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Anthony Minessale II

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