Making an outbound call with PHP on Twilio

call-request.php

<?php
// Include the Twilio PHP library
require 'Services/Twilio.php';
 
// Set our Account SID and AuthToken
$sid = 'AC123';
$token = 'abcd';
 
// A phone number you have previously validated with Twilio
$phonenumber = '4151234567';
 
// Instantiate a new Twilio Rest Client
$client = new Services_Twilio($sid, $token, $version);
 
try {
    // Initiate a new outbound call
    $call = $client->account->calls->create(
        $phonenumber,        // The number of the phone initiating the call
        '5101234567',        // the number we are sending to - Any phone number
        'http://demo.twilio.com/welcome/voice/' // The URL Twilio will request when the call is answered
    );
    echo 'Started call: ' . $call->sid;
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage();
}