there is some other info on http://wiki.freeswitch.org/wiki/Perl_esl
about this as well. could somone try to put together some decent docs
on fs_ivrd on the wiki as I keep getting asked this stuff privately as
well.
Mike
On Aug 4, 2009, at 7:04 PM, William Suffill wrote:
> I wrote some notes on this but have yet to wiki it.
>
> example of an outbound socket connection where the call is answered, a
> variable is set then perhaps play one of the pre-installed files and
> hangup.
> ivrd
>
> fs_ivrd comes with freeswitch. It being a small daemon just invokes
> the script defined in a variable and passes data from it via STDIN/OUT
>
> Since this is an outbound socket connections it needs to be defined in
> the dialplan.
>
>
>
> Ex:
>
> <extension name="outbound-socket">
>
> <condition field="destination_number" expression="^55(522)$">
>
> <action application="set"
> data="ivr_path=/usr/local/freeswitch/scripts/ivrd-demo.php"/>
>
> <action application="socket" data="127.0.0.1:8084 async full"/>
>
> </condition>
>
> </extension>
>
>
>
> The above dialplan sample would invoke ivr-demo.php when 55522 is
> called as long as fs_ivrd is running. To start fs_ivrd:
>
> /usr/local/freeswitch/bin/fs_ivrd -h 127.0.0.1 -p 8004
>
>
>
> It takes 2 arguments -h for hostname and -p for port.
>
>
>
> PHP Code
>
> #!/usr/bin/php -q
>
> <?php
>
>
>
> // set a couple of things so we dont kill the system
>
> ob_implicit_flush(true);
>
> set_time_limit(30);
>
>
>
>
>
> // Open stdin so we can read the AGI data in
>
> $in = fopen("php://stdin", "r");
>
> // Connect
>
> echo "connect\n\n";
>
> // Answer
>
> echo "sendmsg\n";
>
> echo "call-command: execute\n";
>
> echo "execute-app-name: answer\n\n";
>
>
>
> // Play a prompt
>
> echo "sendmsg\n";
>
> echo "call-command: execute\n";
>
> echo "execute-app-name: playback\n";
>
> echo "execute-app-arg:
> /usr/local/freeswitch/sounds/en/us/callie/ivr/8000/ivr-
> welcome_to_freeswitch.wav\n\n";
>
>
>
> // Wait
>
> sleep(5);
>
>
>
> // Hangup
>
> echo "sendmsg\n";
>
> echo "call-command: hangup\n\n";
>
>
>
> fclose($in);
>
>
>
> ?>
>
>
>
> ivrd will call this script for each call. All itdoes is answer the
> channel tell FreeSWITCH to play the “welcome to freeswitch” prompt.
> Since the script is now controlling all call flow I needed to add a
> wait or it would send the hangup immediately before the prompt was
> played.
>
> Some improvements possible but that's 1 way to do it. It would be
> possible to do the socket directly in PHP but fs_ivrd is a nice option
> too.
>
> -- W
>
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