.htaccess

<IfModule mod_rewrite.c>
   Options +FollowSymlinks
   Options +Indexes
   RewriteEngine on

   RewriteCond %{SCRIPT_FILENAME} !-f
   RewriteCond %{SCRIPT_FILENAME} !-d

   RewriteRule ^(.*)$   index.php?/$1
</IfModule>

simple_cloudvox_ivr.php

<?php

// Include the Limonade Framework (http://limonade.sofa-design.net/).
include('limonade/lib/limonade.php');

// Include Cloudvox JSON helper classes (See Gist 308081).
include('cloudvox-json-http-classes.php');

// Variable that will be references in dispatch functions for postbacks.
$scriptName = 'http://'.$_SERVER['SERVER_ADDR'].$_SERVER['PHP_SELF'];

dispatch_get('/start', 'cloudvox_start');
function cloudvox_start() {
	
	global $scriptName;
	
	// Skip the intro message if reprompting caller.
	$playWelcome = (isset($_REQUEST['playWelcome'])) ? false : true;
	
	$speak = new Speak("Welcome to my demo application.");
	$playback = new Playback("enter-phone-number10");
	$getDigits = new GetDigits(10,5);
	$getDigits->url = $scriptName."/phone";
	
	if($playWelcome) {
		Output::renderJSON($speak, $playback, $getDigits);
	} else {
		Output::renderJSON($playback, $getDigits);
	}
}

dispatch_get('/phone', 'phone_verify');
function phone_verify() {
	
	global $scriptName;
	
	// Instantiate a new CloudVox response object.
	$response = new CloudVoxResponse();
	
	// Insert spaces in between each digit in the phone number to improve readback.
	$phoneNumber = implode(" ", str_split($response->result));
	
	$playback_youentered = new Playback("you-entered");
	$speak_phone = new Speak($phoneNumber);
	
	$playback_correct = new Playback("if-this-is-correct");
	$playback_press1 = new Playback("press-1");
	
	$playback_notcorrect = new Playback("if-this-is-not-correct");
	$playback_press2 = new Playback("press-2");
	
	$getDigits = new GetDigits(1,5);
	$getDigits->url = $scriptName."/confirm";
	
	Output::renderJSON($playback_youentered, $speak_phone, $playback_correct, 
                           $playback_press1, $playback_notcorrect, $playback_press2, 
                           $getDigits);
}

dispatch_get('/confirm', 'confirm_response');
function confirm_response() {
	
	global $scriptName;
	
	// Instantiate a new CloudVox response object.
	$response = new CloudVoxResponse();
	
	// We need to create playback elements for both confirmation scenarios.
	$playback_sorry = new Playback("im-sorry");
	$playback_try_again = new Playback("please-try-again");
	$include = new IncludeStep($scriptName."/start?playWelcome=false");
	
	$playback_thanks = new Playback("thanks-for-calling-today");
	$playback_goodbye = new Playback("goodbye");
	$hangup = new Hangup();
	
	// If the caller confirmed their response, end the call, if not start over.
	if($response->result != 1) {
		Output::renderJSON($playback_sorry, $playback_try_again, $include);
	}
	else {
		Output::renderJSON($playback_thanks, $playback_goodbye, $hangup);
	}

}

// Don't forget to run this puppy.
run();

?>