VOICE & SMS FOR YOUR APPS Jeff Linwood, Biscotti Labs AirConf 2014 @jefflinwood http://www.biscottilabs.com/
 http://www.jefflinwood.com/

TODAY’S TALK Quick Intro Discussion of Twilio API Getting Started with Twilio Sending & Receiving SMS Sending & Receiving Voice Twilio Client

JEFF LINWOOD Software Developer with Biscotti Labs Teaches Mobile App Development at UT-Austin as an adjunct Uses Twilio for web and mobile apps Current Projects: On Our Way App, MapRhino App

THE TWILIO API Twilio provides voice and SMS APIs for web and mobile Send and receive SMS Make and receive voice calls VOIP for web and mobile clients

DIFFERENT USER INTERFACES Desktop Web Mobile (Web or App) Email Voice Text Message (SMS)

GETTING STARTED WITH TWILIO

GETTING STARTED WITH TWILIO Need to sign up on www.twilio.com Add some money to your account, or use free trial Twilio pricing (www.twilio.com/pricing)

TWILIO DASHBOARD

BUYING NUMBERS You can buy phone numbers through Twilio In the US, you can choose by area code, or get a toll-free number Toll-free numbers have higher costs (per month, and per minute)

TWIML APPS Now that you have a number, how do you point it to your application? TwiML Apps map voice and messaging requests to a URL on the public internet You can also map voice and SMS URLs directly to a number

TWILIO MARKUP LANGUAGE Twilio Markup Language - TwiML - XML Verb-based https://www.twilio.com/docs/api/twiml

PROVIDING TWIML TO TWILIO After receiving a voice or SMS call to a Twilio phone number, Twilio will make an HTTP Request to the specified URL Twilio passes along metadata about the incoming call or text message Your web application returns TwiML to Twilio

CONFERENCE CALL EXAMPLE Served directly from a web server Call (512)-969-2045 to try it Configured in TwiML App

USING TWILIO IN YOUR WEB APP

TWILIO REST API Make outbound calls or send text messages Buy phone numbers Inspect calls while they are live https://www.twilio.com/docs/api/ rest Works with TwiML

TWILIO API LIBRARIES You can make calls directly to the REST API with JSON or XML PHP, Ruby, Python, C#, Java, Node.js - official Other languages are contributed Also can help create TwiML

MAKING OUTBOUND CALLS

SENDING SMS MESSAGES

RECEIVING SMS MESSAGES

TWILIO CLIENT - VOIP Web/Javascript iOS Android PhoneGap (https://github.com/ jefflinwood/ twilio_client_phonegap)

TWILIO CLIENT Capability Token Don’t ship Twilio credentials on the client side Build apps that do voice chat, conference call, make phone calls Add click to chat to your web site Pass parameters when connecting

THANK YOU! Jeff Linwood, @jefflinwood, jlinwood@gmail.com