dtmf_adhearsion_dialplan.rb

default {
  execute 'SendDTMF', '1111', '100'
}

dtmf_phpagi.php

#!/usr/bin/php -q
<?php
# Cloudvox - answer and control a phone call using PHP
# Place and receive phone calls via open API: http://cloudvox.com/
# Learn about call scripting, Asterisk/AGI, voice apps: http://help.cloudvox.com/

require('phpagi-2.14/phpagi.php');

$AGI = new AGI();
$AGI->answer();

$ext = "1111";
$AGI->exec ( 'SendDTMF', $ext . '|100' );