1. – Mizanur Rahman

2.  Twilio: Twilio is a web-service API that lets you
use your existing web languages and skills to
build voice and SMS applications. It enables
you to focus on building a simple, powerful,
pay-as-you-go communications platform with
very basic programming knowledge
 OpenTok: The OpenTok API is a free and
flexible cloud-based API, making it easy to add
video chat to your applications without having
to worry about infrastructure and scale—build
your app using our simple JavaScript or
ActionScript libraries.

3.  Appointment reminder
 Business lead managing
 IVR
 Phone Poll
 Online ordering notifications
 SMS Contest
 Speech to text service and vice versa
 Group video chat
 Private (One to one) chat session
 Talk show
 Conferences and many more……

4.  Voice & SMS service with ease of use
 No hardware hassle
 Pay as you go – no up front cost
 Build on the Amazon cloud
 Options to call forwarding, recording,
conferences, send & receive SMS
 Call all over the world
 Voice option for Male & Female voice

5.  Very simple registration process.
 A sandbox credit of $30 to test out your
application with real calls and SMS
 A well documented REST API library with
examples and active community of more
than 60,000 developers
 Can build and run your first application with
few lines of codes.

6.  A User calls or sends an SMS to your Twilio
phone number
 Twilio receives the call or SMS and makes a
request to your application
 Your app receives that information and sends
XML back to Twilio
 Twilio executes those instructions and interacts
with the user

8. Primary Verbs
 <Say> some text
 <Play> an audio file
 <Gather> input from the caller
 <Record> the caller's audio
 <Dial> another phone number
 <Sms> send a text
Secondary Verbs
 <Hangup>end a call
 <Redirect> redirect a call
 <Reject> reject a call
 <Pause> Put delay on words.

9. <Say>Hello Everyone. Welcome to PHPXperts seminar
2011</Say>
<Play>http://myserver.com/welcome.mp3</Play>
<Dial>415-867-5309</Dial>
<Gather action=‘handleMenu.php’ />
<Record action=‘handleVoiceMessage.php’ />
<Sms>Please send us payment.</Sms>

10. <?xml version="1.0" encoding="utf-8" ?>
<Response>
<Say>
Your confirmation code for "PHPXperts Seminar
2011" is "1010101010"
</Say>
<Dial>888-777-1234</Dial>
</Response>

11. <?xml version="1.0" encoding="utf-8" ?>
<Response>
<Say>
Please leave your feedback for "PHPXperts
Seminar 2011".
</Say>
<Record
action="http://myapplication.com/recordMessage.php" />
</Response>

12. <?xml version="1.0" encoding="utf-8" ?>
<Response>
<Play>http://myapplication.com/welcome.mp3</Play>
<Say>
Thank for participating in "PHPXperts Seminar 2011".
Press 1 to listen the topics. Press 2 to repeat.
</Say>
<Gather action="http://myapplication.com/handleInput.php" />
</Response>

13. <?php
require "Services/Twilio.php";
/* Set our AccountSid and AuthToken */
$sid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
$token = "YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY";
/* Outgoing Caller ID you have previously validated with Twilio */
$CallerID = 'NNNNNNNNNN';
/* Instantiate a new Twilio Rest Client */
$client = new Services_Twilio($sid, $token);
$url = "http://myapplication.com/welcome.php";
$callingNumber = "888-777-6666";
/* make Twilio REST request to initiate outgoing call */
$call = $client->account->calls
->create($CallerID, $callingNumber, $url);

14.  Let your web browser do the dialing for you
 Use twilio.js to perform client side
programming
 Make calls from the browser
 Receive calls in the browser
 Make calls between two browsers

15. <?php
include 'Services/Twilio/Capability.php';
$accountSid = 'ACxxxxxxxxxxxxxxx';
$authToken = 'xxxxxxxxxxxxxxxxx';
$clientName = "PHPXperts";
$token = new Services_Twilio_Capability($accountSid, $authToken);
$token->allowClientOutgoing('APxxxxxxxxxxxxxxx');
$token->allowClientIncoming($clientName);
$activeToken = $token->generateToken();
?>
<script type="text/javascript" src="http://static.twilio.com/libs/twiliojs/1.0/twilio.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
Twilio.Device.setup("<?php echo $activeToken;?>");
params = { "client" : "<?php echo $clientName;?>" };
Twilio.Device.connect(params);
Twilio.Device.incoming(function (conn) {
conn.accept();
});
});
</script>

16.  Private Chats(Unlimited one-to-one chat
sessions)
 Broadcasts (Up to 2500 viewers)
 Talk Shows (Have multiple hosts
broadcasting)
 Conferences (With up to 50 people together)

17.  Easy sign up process
 Easy to follow documentation
 Simple Javascript & actionscript library for
client side
 PHP, .NET, Ruby, Java, Node.js, Pythod library
for server side
 Already build in plugins for your need

18. <?php
require_once 'SDK/API_Config.php';
require_once 'SDK/OpenTokSDK.php';
require_once 'SDK/SessionPropertyConstants.php';
$apiObj = new OpenTokSDK(API_Config::API_KEY, API_Config::API_SECRET);
$session = $apiObj->create_session($_SERVER["REMOTE_ADDR"]);
$sessionId = $session->getSessionId();
?>
<html>
<head>
<title>OpenTok - PHPXpert Sample App</title>
<script src="http://staging.tokbox.com/v0.91/js/TB.min.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript" charset="utf-8">
var session = TB.initSession("<?php echo $sessionId?>"); // Session ID.
session.addEventListener("sessionConnected", sessionConnectedHandler);
session.addEventListener("streamCreated", streamCreatedHandler);
session.connect(1127, "devtoken"); // OpenTok sample API key and sample token string.

19. function sessionConnectedHandler(event) {
subscribeToStreams(event.streams);
session.publish();
}
function streamCreatedHandler(event) {
subscribeToStreams(event.streams);
}
function subscribeToStreams(streams) {
for (i = 0; i < streams.length; i++) {
var stream = streams[i];
if (stream.connection.connectionId !=
session.connection.connectionId) {
session.subscribe(stream);
}
}
}
</script>
</head>
<body>
</body>
</html>

20. Thanks everyone

22. M. Mizanur Rahman
Founder & C.T.O
Informatix Technologies
C.EO
Eschool Project
ZCE, CSM & Moderator PHPXperts Group
http://booleandreams.wordpress.com