PHPNW Lightning talk on Twilio with PHP

1. PHP & Twilio Michael Peacock, October, 2011

3. Web Systems Developer

4. Telemetry Team – Smith Electric Vehicles US Corp

5. Author

6. PHP 5 Social Networking, PHP 5 E-Commerce Development, Drupal Social Networking (6 & 7), Selling online with Drupal e-Commerce, Building Websites with TYPO3

7. PHPNE Volunteer

8. Occasional technical speaker

10. All Electric, Commercial Vehicles.

11. Smith Electric Vehicles & Telemetry Worlds largest manufacturer of Commercial, all-electric vehicles Smith Link – on-board vehicle telematics system, capturing over 2500 data points each second on the vehicle and broadcasting them over mobile network ~400 telemetry enabled vehicles on the road Worlds largest telemetry project outside of F1

13. Send and receive text messages

14. Buy phone numbers

15. Record caller messages

16. Conference calls

17. IVR: Interactive Voice Response

18. DTMF: Gathering number presses

20. Phone up telemetry to see if a new device they have installed in the field is broadcasting data

21. When in the field their access to laptop / Internet is limited

22. Gives instant feedback which is recorded by the system

23. Customers

24. Proof of concept: Telephone access to telematics data

25. Where is my truck? Geolocate

26. Current metrics: Battery, Current, Voltage, Temperature, Speed

27. Can it get to...does the truck have enough charge to reach a new destination

29. Provide a telephone based entry point to your web application

30. Let customers phone up to manage their account or track their order on the move

31. Lead generation

32. Numbers for lead sources to track conversions

33. Customer service

34. When your contact form is submitted or an order placed, automatically connect a member of your team to the customer

36. Twilio calls your application, which returns XML instructions

38. <Gather>

39. <Say>

40. <Redirect>

41. <Dial>

42. <Play>

44. Making calls

45. Looking up transcripts

46. Looking up call recordings

47. Buying phone numbers

48. Send SMS messages

49. Control flow is handed through XML, which can be generated using the Twiml class of the PHP Library

51. Sandbox number with access code

53. Available for US, Canada and now (beta) UK

55. Speak <Say>Hello conference attendees</Say> $response = new Services_Twilio_Twiml(); $response->say(‘Hello conference attendees'); echo $ output;

56. Ask for a Response <Response> <Gather action=“my-app-url/process" numDigits="1"> <Say>Welcome Conference PHP North West 2011 Delegates.</Say> <Say>For talks at 10 45 press 1.</Say> </Gather> <Say>Sorry, I didn't get your response.</Say> <Redirect>my-app-url</Redirect> </Response>

57. Ask for a Response $response = new Services_Twilio_Twiml(); $gather = $response->gather(array('numDigits' => 1)); $gather->say("Welcome Conference PHP North West 2011 Delegates."); $gather->say("For talks at 10 45 press 1."); $response->say("Sorry, I didn't catch that"); echo $response;

58. Act on a Response $response = (int) $_REQUEST['Digits']; header('Content-type: text/xml'); echo '<?xml version="1.0" encoding="UTF-8"?>'; Switch( $response ) { case 1: echo ‘<Response><Say>Track 1 details…</Say></Response>’ break; case 2: echo ‘<Response><Say>Track 2 details…</Say></Response>’ break; } exit();

59. Transfer the Caller <Dial>+44XXXXXXX</Dial>

61. Token is then passed around to each <Redirect> response

62. Any authentication details are associated with the token

65. If its a basic script, with no server interaction, you can use “twimlets” http://labs.twilio.com/twimlets/

66. Forward calls

67. Ring up to 10 phones at once until one answers

68. Voice mail

69. Conference call

70. Etc

72. Demo Application Call: 0161 8840908

73. Really Basic Demo Application <?php $twilio = new TwilioDemo(); class TwilioDemo{ public function __construct() { header('Content-type: text/xml'); echo '<?xml version="1.0" encoding="UTF-8"?>'; $route = ( isset( $_GET['route'] ) ) ? $_GET['route'] : ''; switch( $route ) { case 'process': $this->process(); break; default: case ''; $this->menu(); break; } } Based on the URL, redirect the user

74. Really Basic Demo Application Read the menu, if no response selected, repeat private function menu() { $out = <<<EOD <Response> <Gather action="http://www./twiliodemo/twiliodemo.php?route=process" numDigits="1"> <Say>Hello PHP North West Conference attendee. At Nine Thirty we have the keynote from Ian Barber, How to Stand on the Shoulders of Giants.</Say> <Say>For talks at 10 45, press 1.</Say> <Say>For talks at 11 45, press 2</Say> <Say>Lunch is at 12 45</Say> <Say>For talks at 2 press 3.</Say> <Say>For talks at 3, press 4.</Say> <Say>For talks at 4 30, press 5.</Say> <Say>For un conference talks, press 6.</Say> </Gather> <!-- If caller didn't press any keys, prompt and try again. --> <Say>Sorry, I didn't get your response.</Say> <Redirect>http://www..co.uk/twiliodemo/twiliodemo.php?route=main</Redirect> </Response> EOD; echo $out; exit(); }

75. Really Basic Demo Application private function process() { $selection = (int) $_REQUEST['Digits']; switch( $selection ) { case 1: $this->ten45(); break; case 2: $this->eleven45(); break; case 3: $this->two(); break; case 4: $this->three(); break; case 5: $this->four30(); break; case 5: $this->unconference(); break; default: $this->oi(); break; } } Process based on the user input

76. Really Basic Demo Application Read out the information private function ten45() { echo '<Response>'; echo '<Say>Track 1: Zend Framework 2 - State Of The Art : EnricoZimuel.</Say>'; echo '<Say>Track 2: REST and HATEOAS - A Case Study : Ben Longden.</Say>'; echo '<Say>Track 3: Magic Behind the Numbers - Software Metrics In Practice : Sebastian Marek.</Say>'; echo '<Redirect>http://www.invoicecentral.co.uk/twiliodemo/twiliodemo.php?route=main</Redirect>'; echo '</Response>'; }

78. Build a simple application in a minute

79. Build a complex application in five

80. You control the responses through a new request after each user interaction