[Freeswitch-users] Executing multiple applications in parallel

[Brian Wiese]

JP:

Give this a try:

=====  Dialplan Extension  =====
<extension name="Wait for Lua">
  <condition field="destination_number" expression="^29000$">
    <action application="pre_answer"/>
    <action application="eval" data="${luarun(wait.lua ${uuid})}"/>
    <action application="playback"
data="ivr/ivr-on_hold_indefinitely.wav"/>  <!-- Obviously replace with
a sound file containing music or something... -->
    <!-- If the Lua script fails or times out (the above sound file
played completely), do something so the user doesn't sit around
forever... -->
    <action application="sleep" data="2000"/>
    <action application="playback" data="misc/error.wav"/>
    <action application="sleep" data="2000"/>
    <action application="playback" data="voicemail/vm-goodbye.wav"/>
    <action application="hangup"/>
  </condition>
</extension>
==========

=====  Lua Script (wait.lua)  =====
api = freeswitch.API();

uuid = argv[1];  --The UUID of the call.

if uuid == nil then
  freeswitch.consoleLog("crit","Fatal Error:  A UUID was not passed to
the script!\n");
else
  freeswitch.consoleLog("info","Working...\n");

  --Do the task here that may take some time...

  session = freeswitch.Session(uuid);
  freeswitch.consoleLog("info","Transferring call!\n");
  session:transfer("lua_done");  --Obviously set this to a dialplan extension...
end
==========


Using this method you can even make the dialplan as one extension (use
extension "29000step2" for session:transfer in the Lua script):

====  Dialplan Single Extension Example =====
<extension name="Wait for Lua">
  <condition field="destination_number" expression="^29000(?:step2)?$"/>
  <condition field="destination_number" expression="^29000$" break="on-true">
    <action application="pre_answer"/>
    <action application="eval" data="${luarun(wait.lua ${uuid})}"/>
    <action application="playback"
data="ivr/ivr-on_hold_indefinitely.wav"/>  <!-- Obviously replace with
a sound file containing music or something... -->
    <!-- If the Lua script fails or times out (the above sound file
played completely), do something so the user doesn't sit around
forever... -->
    <action application="sleep" data="2000"/>
    <action application="playback" data="misc/error.wav"/>
    <action application="sleep" data="2000"/>
    <action application="playback" data="voicemail/vm-goodbye.wav"/>
    <action application="sleep" data="500"/>
    <action application="hangup"/>
  </condition>
  <condition field="destination_number" expression="^29000step2$">
    <action application="answer"/>
    <action application="sleep" data="500"/>
    <action application="playback" data="ivr/ivr-yes_we_have_no_bananas.wav"/>
    <action application="sleep" data="500"/>
    <action application="hangup"/>
  </condition>
</extension>
==========

~Brian

On Thu, Jan 24, 2013 at 7:34 PM, JP <jaykris at gmail.com> wrote:
> I want to do the following...
>
> 1. Play a long music file from a dialplan.
> 2. While the music is playing, I want to launch a Lua script to do some data
> dip.
> 3. Once the data is fetched and Lua exits, I want to interrupt the music and
> continue in the dialplan
>
> How do I do this. Any sample code or pointers would be greatly appreciated.
>
> Thanks
>
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