You can view this file in context here: https://github.com/caseysoftware/upgrading-google-voice-with-Twilio

rev2.php

<?php
include 'functions.php';

header("Content-type: text/xml");

$from = preg_replace("/[^0-9]/", "", $_POST['From']);

$response = new Services_Twilio_Twiml();
$response->dial($toPhone, array('timeout' => 5));
$response->say('Please leave your message after the tone');

$response->record(array(
    'action' => 'rev2-recorded.php?From=' . $from,
    'transcribeCallback' => 'rev2-transcribed.php?From=' . $from,
    // Note: since we used transcribeCallback, 'transcribe' => 'true' is assumed
));

print $response;