1.
WHAT’S IN STORE
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Live Coding

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Live & Semi-live Demos

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MICHAEL PEACOCK

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SMITH ELECTRIC VEHICLES

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NO. NOT MILK FLOATS
ALL ELECTRIC, COMMERCIAL VEHICLES. (ANYMORE)
Photo courtesy of kenjonbro: http://www.flickr.com/photos/kenjonbro/4037649210/in/set-72157623026469013

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ALL-ELECTRIC COMMERCIAL VEHICLES

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TELEPHONY INTEGRATION
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TELEPHONY INTEGRATION
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10.
MY FIRST EXPOSURE AS A DEVELOPER
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PROVIDERS

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TWILIO VS TROPO
Twilio Tropo
30$ Free Credit Free for development
Incoming and outgoing calls
Send and receive SMS messages
IVR: Interactive Voice Response
DTMF: Record key presses
Number provisioning
Open VBX (Twilio project, with a Tropo fork)
Twimlets File hosting
Connect: for apps SIP: Additional Integration
iOS Integration W3C: Speech Recognition Grammar
Browser Integration IM Service integration

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WHY?
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WHY: CUSTOMER SERVICE
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WHY: LEAD TRACKING
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WHY: VERIFICATION & SECURITY
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WHY: MARKETING
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HOW? INBOUND CALLS
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XML

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HOW: OUTBOUND CALLS
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Rest
POST/GET
XML

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XML: HEADER AND WRAPPER
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• <Response>
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XML: PLAY
• <Play>
http://url-to-an-audio-file
</Play>
• loop

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PLAY / HOLD
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XML: ASK
• <Gather>
• action
• method
• timeout
• numDigits
• finishOnKey

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XML: RECORD
• <Record>
• action method timeout finishOnKey
• maxLength
• transcribe
• transcribeCallback
• playBeep

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TRANSCRIPTIONS
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XML: SEND A TEXT
• <SMS>
• to
• from
• statusCallback
• action method

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XML: TRANSFER THE CALL
• <Dial>
• action method timeout
• hangupOnStar
• timeLimit
• callerId
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• <Number>, <Client> <Conference>

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MORE XML
• <Hangup>
• <Redirect>
• <Reject>
• <Pause>

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XML IS GOOD...BUT...
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HOW: REST
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SECURITY
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SANDBOX
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HOW MUCH?
Twilio Tropo
Phone Numbers $1/month $3/month
Inbound minutes 1c 3c / minute
Outbound minutes 2c 3c / minute (international+)
Toll free numbers $2/month* $5/month*
SMS In 1c 1c
SMS Out 1c 1c

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MY APPLICATIONS
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WHY YOU MIGHT WANT TO USE IT

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WHAT WE ARE GOING TO BUILD
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PHONE NUMBER VERIFICATION

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PNV: GET THE DETAILS

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PNV: CREATE THE UN-VERIFIED USER
// unverified user; default verified status of false
$user = new UnverifiedUser();
$user->setFullName( $_POST['full_name'] );
$user->setFullPhoneNumber( $_POST['number'] );
$user->generateRandomVerificationCode();
$user->save();
$userID = $user->getID();

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PNV: MAKE THE CALL
$twilioClient = new Services_Twilio( $sid, $token );
$call = $twilioClient->account->calls->create(
$ourPhoneNumber,
$countryCode . $telephoneNumber,
'http://my-url/verify/&user=' . $userID
);

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PNV: ASK FOR MORE
// create a response / twiml object
$response = new Services_Twilio_Twiml();
$gather = $response->gather(
array( 'numDigits' => 4,
'action' => $url . '/verify/' .
$userID ) );
$gather->say('This is the ' . $siteName . '
telephone verification service.
To verify your telephone number,
please enter the four digit code
shown on your screen now.');
print $response;

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PNV: VERIFY
$code = (int) $_REQUEST['Digits'];
if( $user->getVerificationCode() == $code )
{
$user->verify();
}
else
{
$this->askAgain();
}

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PNV: ASK AGAIN
$gather = $response->gather(
array( 'numDigits' => 4,
'action' => $url . /verify-
again/' . $userID ) );
$gather->say('Sorry, the code you entered
was incorrect, please try
again.');
print $response;

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PNV: VERIFIED
$response->say('Thank you, your phone
number has been
verified');
print $response;

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HEARTBEAT
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LEAD TRACKING

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LEAD TRACKING: NUMBER PROVISIONING
$twilioClient = new Services_Twilio( $sid, $token );
// search for a local canadian number
$numbers = $twilioClient->account->available_phone_numbers->getList('CA', 'Local');
if( count( $numbers->available_phone_numbers ) > 0 )
{
// buy the first we find
$purchased = $twilioClient->account->incoming_phone_numbers-
>create(array('PhoneNumber' => $numbers->available_phone_numbers[0]->phone_number
));
$advert->setPhoneNumber( $numbers->available_phone_numbers[0]->phone_number );
$advert->setPhoneNumberSid( $purchased->sid );
}
else
{
throw new Exception('No numbers available');
}

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LEAD TRACKING: POINT THE NUMBER
$purchased->update(
array(
'FriendlyName' => 'Lead tracking for
Michaels advert',
'VoiceUrl' => 'http://my-application-
url',
'VoiceMethod' => 'POST‘
)
);

51.
NEWLY PROVISIONED NUMBER

52.
LEAD TRACKING: INBOUND CALLS
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$dialledNumber = $_POST['To'];

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CALLER ID?

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LEAD TRACKING: MAKE A CONNECTION
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LOOKUP THE NUMBER

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LOG THE LEAD

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TRANSFER THE CALL
$response = new Services_Twilio_Twiml();
$response->dial( $advertisersNumber,
array('callerId' => $ourVerifiedNumber )
);
print $response;

58.
APP: CONFERENCE SESSION FEEDBACK
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59.
LIVE DEMO: YOUR TURN

60.
APPS: CONNECT
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61.
BROWSER: CLIENT
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62.
MOBILE
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63.
TWIMLETS
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OPEN VBX

65.
A LOOK BACK AT TROPO
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TROPO: W3C: SPEECH RECOGNITION
GRAMMAR
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W3C SPEECH RECOGNITION GRAMMER
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BASIC SPEECH RECOGNITION
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TROPO: SIP INTEGRATION
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70.
WHICH TO USE
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71.
FINAL THOUGHTS

72.
DEMO APPLICATIONS
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73.
THANKS & QA