Index

A

• accounts
  • working with / Accounts
  • subaccount, creating / Creating a subaccount
  • resources, managing / Managing an account's resources
  • subaccount, suspending / Suspending or closing a subaccount, Suspending an account
  • subaccount, closing / Suspending or closing a subaccount, Closing an account
  • suspending / Suspending an account
  • closing / Closing an account
• Amazon S3
  • URL / <Play>, Make your application resilient with a fallback URL
• Amazon Web Services
  • URL / Hosting providers
  • about / Hosting providers
• Android
  • Twilio Client, using / Getting started with Twilio Client on iOS and Android
• Apache
  • URL, for HTTP Basic Authentication / HTTP Basic Authentication
• API libraries
  • about / Interacting with the API
• App Monitor
  • using / Using the App Monitor
  • about / Using the App Monitor
  • triggers, using / Using Triggers in the App Monitor
• asynchronous requests
  • about / Node.js
• authentication, REST API
  • account SID / Authentication
  • auth token / Authentication
• authentication, SIP
  • username / Username and password protection
  • password protection / Username and password protection
  • IP whitelisting / Working with IP whitelisting
• automated testing
  • about / A word on automated testing, Automated testing
• AvailablePhoneNumber
  • about / Phone numbers

B

• best practices, TwiML
  • ngrok, using / Test locally using ngrok
  • resilient application, making with fallback URL / Make your application resilient with a fallback URL
  • TwiML apps, using / Use Twilio's applications to manage your TwiML URLs
• Blade templates
  • about / Building the CRUD interface
  • URL, for documentation / Building the CRUD interface
• Bootstrap
  • URL / Building the CRUD interface
• browser
  • incoming calls, receiving / Receiving incoming calls in the browser
• Bundler
  • about / Ruby

C

• <Client> verb
  • about / <Client>
• <Conference> verb
  • about / <Conference>
• <Conference> verb, options
  • muted / <Conference>
  • beep / <Conference>
  • startConferenceOnEnter / <Conference>
  • endConferenceOnExit / <Conference>
  • waitUrl / <Conference>
  • waitMethod / <Conference>
  • maxParticipants / <Conference>
  • record / <Conference>
  • trim / <Conference>
  • eventCallbackUrl / <Conference>
• C# library
  • installing / C#
  • URL, for documentation / C#
• CakePHP
  • URL / Web frameworks
  • about / Web frameworks
• call-related APIs
  • mastering / Mastering call-related APIs
  • call, making / Making a call
  • existing call, handling / Working with an existing call
  • previous calls, listing / Listing previous calls
• callback request tool
  • building / The callback request tool
  • components / The callback request tool
  • preparing / Preparing the project
  • request form, creating / Creating the request form
  • callback request, responding via e-mail / Responding to a callback request from an e-mail
  • TwiML, writing / Writing the TwiML
  • calls status, listening / Listening for a call's status
  • wrapping up / Wrapping up
• callback request tool, dependencies
  • Twilio API library, installing / Installing the Twilio API library
  • MySQL database, preparing / Preparing the MySQL database
  • configuration file, creating / Creating a configuration file
• Capability Token
  • about / Setting up the client
• CircleCI
  • about / Automated testing
  • URL / Automated testing
• circuit breaker
  • building / Building a circuit breaker
• client identifier
  • about / <Client>
• Client token
  • generating / Generating a client token
• CodeIgniter
  • about / Web frameworks
  • URL / Web frameworks
• Composer
  • URL / Using a package manager
  • about / Using a package manager
  • URL, for installing / Installing the Twilio API library
  • installing / Installing the Twilio API library, PHP – a recap
  • URL, for installation / PHP – a recap
• conference calling tool
  • building / The conference calling tool
  • components / The conference calling tool
  • preparing / Preparing the project
  • CRUD interface, building / Building the CRUD interface
  • inbound calls, handling / Handling inbound calls
  • conferences, archiving / Archiving conferences and storing recordings
  • recordings, storing / Archiving conferences and storing recordings
  • enhancements / And you're done!
• conference calling tool, dependencies
  • environment, setting up / Setting up your environment
  • Laravel, setting up / Setting up Laravel
  • database, setting up / Setting up our database
• configuration file
  • creating / Creating a configuration file
• Continuous Integration (CI)
  • about / Automated testing
• controllers
  • about / Building the CRUD interface
• country codes
  • URL / Phone numbers
• Create, Read, Update, Delete (CRUD)
  • about / What is the Twilio REST API?
• Create, Read, Update, Delete (CRUD) interface
  • about / The conference calling tool

D

• 12100 Document parse failure
  • about / 12100 – document parse failure
• <Dial> verb
  • about / <Dial>
  • <Number> noun / <Number>
  • <Sip> verb / <Sip>
  • <Client> verb / <Client>
  • <Conference> verb / <Conference>
  • <Queue> verb / <Queue>
  • <Hangup> verb / <Hangup>
  • <Redirect> verb / <Redirect>
  • <Reject> verb / <Reject>
• database
  • setting up, for conference calling tool / Setting up our database
• DigitalOcean
  • URL / Hosting providers
  • about / Hosting providers
• Django
  • URL / Web frameworks
  • about / Web frameworks
• Draw.io
  • URL / The power of flowcharts, Using flowcharts
  • about / Using flowcharts

E

• <Enqueue> verb
  • about / <Enqueue>
  • <Leave> verb / <Leave>
• EC2
  • URL / Hosting providers
• Elastic Beanstalk
  • URL / Hosting providers
• Eloquent
  • about / Setting up our database
• errors
  • fixing / Fixing common errors
  • reference link / Fixing common errors
  • 112** HTTP errors / 112** – HTTP errors
  • 11750 TwiML response body too large / 11750 – TwiML response body too large
  • 12100 Document parse failure / 12100 – document parse failure
  • 13227 No international authorization / 13227 – no international authorization
  • 13223-6 Phone number errors / 13223-6 – phone number errors
• event
  • about / Receiving inbound calls
• event-driven status callbacks, Twilio
  • URL / Working with an existing call
• event handler
  • about / Receiving inbound calls
• Express.js
  • URL / Web frameworks
  • about / Web frameworks

F

• fallback URL
  • used, for making resilient application / Make your application resilient with a fallback URL
  • about / Make your application resilient with a fallback URL
• Flask
  • URL / Web frameworks
  • about / Web frameworks
• flowcharts
  • about / The power of flowcharts
  • creating / The power of flowcharts
  • automated testing / A word on automated testing
  • using / Using flowcharts
• Fused
  • about / Hosting providers
  • URL / Hosting providers

G

• <Gather> verb
  • about / <Gather>
• Garlic
  • about / Creating the request form
  • URL / Creating the request form
• getIterator method
  • about / Listing previous messages
• GitHub
  • URL / Downloading the code manually
• Gliffy
  • URL / Using flowcharts

H

• 112** HTTP errors
  • about / 112** – HTTP errors
• <Hangup> verb
  • about / <Hangup>
• Hapi
  • URL / Web frameworks
• Heroku
  • about / Hosting providers
  • URL / Hosting providers
• hosting providers
  • about / Hosting providers
  • Heroku / Hosting providers
  • DigitalOcean / Hosting providers
  • Fused / Hosting providers
  • Amazon Web Services / Hosting providers
  • Microsoft Azure / Hosting providers
• HTTP Basic Authentication
  • setting up / HTTP Basic Authentication
  • setting up, on Apache / HTTP Basic Authentication
  • setting up, on Nginx / HTTP Basic Authentication
  • setting up, on IIS / HTTP Basic Authentication

I

• IIS
  • URL, for HTTP Basic Authentication / HTTP Basic Authentication
• inbound calls
  • receiving, with Twilio Client / Receiving inbound calls
• incoming calls
  • receiving, in browser / Receiving incoming calls in the browser
• IncomingPhoneNumber
  • about / Phone numbers
• index
  • about / Listing records
• installation, C# library
  • about / C#
• installation, Composer
  • about / Installing the Twilio API library, PHP – a recap
• installation, Java library
  • about / Java
• installation, Node.js library
  • about / Node.js
• installation, PHP library
  • about / PHP – a recap
• installation, Python library
  • about / Python
• installation, Ruby library
  • RubyGems used / Ruby
• installation, Salesforce's Apex library
  • about / Apex for Salesforce.com
• installation, Twilio API library
  • about / Installing the Twilio API library
• Interactive Ruby Shell (IRB)
  • about / Ruby
• iOS
  • Twilio Client, using / Getting started with Twilio Client on iOS and Android

J

• Java library
  • installing / Java
  • URL, for documentation / Java
• JavaScript
  • used, for powering TwiML application interactions / Powering our interactions with JavaScript
• Jenkins CI
  • about / Automated testing
  • URL / Automated testing
• jQuery
  • URL / Building the frontend
• JSON
  • about / Listing records
• jUnit
  • URL / Automated testing
  • about / Automated testing

K

• Koa
  • URL / Web frameworks

L

• <Leave> verb
  • about / <Leave>
• Laravel
  • URL / Using a package manager, Preparing the project, Building the CRUD interface
  • about / Preparing the project
  • setting up / Setting up Laravel
• Laravel Homestead
  • about / Setting up your environment
  • URL / Setting up your environment
• Linux
  • Twilio application, testing with ngrok / Mac OS X and Linux (and others!)
• Lucidchart
  • URL / Using flowcharts

M

• <Message> verb
  • about / <Message>
  • reference link / <Message>
• Mac OS X
  • Twilio application, testing with ngrok / Mac OS X and Linux (and others!)
• Maven
  • URL / Java
• messaging APIs
  • mastering / Mastering messaging APIs
  • first SMS, sending / Sending your first SMS
  • images, sending with MMS / Sending images using MMS
  • existing message, fetching / Fetching an existing message
  • previous messages, listing / Listing previous messages
• Meteor
  • URL / Web frameworks
• Microsoft Azure
  • about / Hosting providers
  • URL / Hosting providers
• migration
  • about / Setting up our database
• MMS messages
  • sending / Sending images using MMS
• Mocha
  • URL / Automated testing
• model
  • about / Setting up our database
• MVC
  • about / Preparing the project, Web frameworks
  • reference link / Preparing the project
  • URL / Web frameworks
• MySQL database
  • preparing / Preparing the MySQL database

N

• 13227 No international authorization
  • about / 13227 – no international authorization
• <Number> noun
  • about / <Number>
  • sendDigits attribute / <Number>
  • url attribute / <Number>
• Nginx
  • URL, for HTTP Basic Authentication / HTTP Basic Authentication
• ngrok
  • about / Getting started with TwiML, Test locally using ngrok
  • used, for testing Twilio application / Test locally using ngrok
  • URL / Test locally using ngrok, 112** – HTTP errors
  • used, for testing Twilio application on Windows / Windows
  • used, for testing Twilio application on Mac OS X / Mac OS X and Linux (and others!)
  • used, for testing Twilio application on Linux / Mac OS X and Linux (and others!)
• Node.js library
  • installing / Node.js
  • URL, for documentation / Node.js
• nouns
  • about / <Say>
• npm
  • about / Node.js
• NuGet
  • URL / C#

O

• OmniGraffle
  • URL / Using flowcharts
• OutgoingCallerId
  • about / Phone numbers
• outgoing caller IDs
  • about / Outgoing caller IDs
  • URL / Outgoing caller IDs
• outgoing calls
  • placing, with Twilio Client / Placing outgoing calls
  • handling, for security / Placing outgoing calls
  • handling, for power / Placing outgoing calls

P

• 13223-6 Phone number errors
  • about / 13223-6 – phone number errors
• <Pause> verb
  • about / <Pause>
• <Play> verb
  • about / <Play>
  • <Pause> verb / <Pause>
• package manager
  • used, for downloading Twilio PHP library / Using a package manager
• parameters, phone numbers
  • InRegion / Phone numbers
  • Contains / Phone numbers
  • SmsEnabled / Phone numbers
• parameters, Twilio's requests
  • CallSid/MessageSid / Digging deeper – Twilio's requests
  • From / Digging deeper – Twilio's requests
  • To / Digging deeper – Twilio's requests
  • CallStatus / Digging deeper – Twilio's requests
  • ApiVersion / Digging deeper – Twilio's requests
  • Direction / Digging deeper – Twilio's requests
  • ForwardedFrom / Digging deeper – Twilio's requests
  • CallerName / Digging deeper – Twilio's requests
  • From/To / Digging deeper – Twilio's requests
  • Body / Digging deeper – Twilio's requests
• Parsley
  • URL / Creating the request form
  • about / Creating the request form
• phone numbers
  • working with / Phone numbers
  • outgoing caller IDs / Outgoing caller IDs
  • short codes / Short codes
• phone numbers, resources
  • AvailablePhoneNumber / Phone numbers
  • IncomingPhoneNumber / Phone numbers
  • OutgoingCallerId / Phone numbers
  • ShortCode / Phone numbers
• PHP library
  • about / PHP – a recap
  • installing / PHP – a recap
  • URL, for documentation / PHP – a recap
• pip
  • using / Python
  • URL, for installation / Python
• Play
  • URL / Web frameworks
• POODLE
  • about / Verifying the signature
  • reference link / Verifying the signature
• Postman
  • about / Interacting with the API, Getting started with Postman
  • URL, for downloading / Getting started with Postman
  • requests, making / Making your first request with Postman
  • parameters, sending to requests / Sending parameters
  • requests, tracking with History / Using History and Collections
  • requests, tracking with Collections / Using History and Collections
• POST request, parameters
  • From / Making a call, Sending your first SMS
  • To / Making a call, Sending your first SMS
  • Url / Making a call
  • ApplicationSid / Making a call
  • reference link / Making a call
  • Body / Sending your first SMS
• Public Switched Telephone Network (PSTN)
  • about / What is Twilio Client?
• Pure
  • about / Creating the request form
  • URL / Creating the request form
• Python library
  • installing / Python
  • URL, for documentation / Python

Q

• <Queue> verb
  • about / <Queue>

R

• <Record> verb
  • about / <Record>
• <Redirect> verb
  • about / <Redirect>
• <Reject> verb
  • about / <Reject>
• request body
  • about / Creating new records
• Request Inspector
  • about / Using the App Monitor, Using the Request Inspector
  • using / Using the Request Inspector
• requests, Twilio
  • handling / Digging deeper – Twilio's requests
  • verifying / Verifying that requests are from Twilio
• response code, Twilio
  • 200 / Handling errors
  • 201 / Handling errors
  • 204 / Handling errors
  • 302 / Handling errors
  • 400 / Handling errors
  • 401 / Handling errors
  • 404 / Handling errors
  • 405 / Handling errors
  • 429 / Handling errors
  • 500 / Handling errors
• REST API
  • about / Where in my application will I be using TwiML?, What is the Twilio REST API?
  • reference link / What is the Twilio REST API?
  • interacting with / Interacting with the API
  • authentication / Authentication
  • existing data, fetching / Fetching existing data
  • records, listing / Listing records
  • records, listing with pagination / Pagination
  • record, fetching / Fetching an individual record
  • new records, creating / Creating new records
  • existing records, modifying / Modifying existing records
  • existing records, deleting / Deleting an existing record
  • errors, handling / Handling errors
  • URL, for documentation / Sending parameters
  • phone numbers, working with / Phone numbers
  • accounts / Accounts
  • Usage / Usage
• RSpec
  • URL / Automated testing
  • about / Automated testing
• RubyGems
  • about / Ruby
  • used, for installing Ruby library / Ruby
  • URL / Ruby
• Ruby library
  • installing, RubyGems used / Ruby
  • URL, for documentation / Ruby
• Ruby on Rails
  • URL / Ruby, Web frameworks
  • about / Web frameworks

S

• <Say> verb
  • about / <Say>
• <Say> verb, attributes
  • voice / <Say>
  • loop / <Say>
  • language / <Say>
• <Sip> verb
  • about / <Sip>
• Salesforce's Apex library
  • installing / Apex for Salesforce.com
• Salesforces Apex, testing libraries
  • about / Automated testing
  • URL / Automated testing
• Salesforces Apex library
  • URL, for documentation / Apex for Salesforce.com
• ShortCode
  • about / Phone numbers
• short codes
  • about / Short codes
• SID
  • about / Fetching an individual record
• signature
  • verifying / Verifying the signature
• Sinatra
  • URL / Web frameworks
  • about / Web frameworks
• SIP
  • about / <Sip>
  • URL / <Sip>
  • authentication / SIP authentication
• SMS
  • sending / Sending your first SMS
• status callback
  • about / <Message>
• subaccount
  • creating / Creating a subaccount
  • URL, for creating / Creating a subaccount
  • suspending / Suspending or closing a subaccount
  • closing / Suspending or closing a subaccount

T

• 11750 TwiML response body too large
  • about / 11750 – TwiML response body too large
• Test-driven Development (TDD)
  • about / Automated testing
  • URL / Automated testing
• testing libraries
  • Tuts + / Automated testing
  • RSpec / Automated testing
  • unittest framework / Automated testing
  • Unit Test framework / Automated testing
  • Mocha / Automated testing
  • jUnit / Automated testing
• Transport Layer Security (TLS)
  • about / Verifying the signature
• Travis CI
  • about / Automated testing
  • URL / Automated testing
• triggers
  • using, in App Monitor / Using Triggers in the App Monitor
• Tuts +
  • URL / Automated testing
• Twilio
  • URL, for documentation / Digging deeper – Twilio's requests, The world of TwiML verbs, Using the Request Inspector
  • URL, for tutorials / Getting started with Twilio Client on iOS and Android
  • reference link / What next?
• twilio-php repository
  • URL / Downloading the code manually
• Twilio.js
  • URL / Where can I use Twilio Client?
• Twilio account
  • URL / Sending your first SMS
  • URL, for enabling different countries / 13227 – no international authorization
• Twilio API library
  • installing / Installing the Twilio API library
• Twilio Client
  • about / What is Twilio Client?
  • usage / Where can I use Twilio Client?
  • working / How does Twilio Client work?
  • setting up / Setting up the client
  • outgoing calls, placing / Placing outgoing calls
  • inbound calls, receiving / Receiving inbound calls
  • URL, for events / Receiving inbound calls
  • calls, interacting with / Interacting with calls in progress
  • adding, to web applications / Adding Twilio Client to your web applications
  • TwiML application, setting / Setting up a TwiML application
  • on iOS / Getting started with Twilio Client on iOS and Android
  • on Android / Getting started with Twilio Client on iOS and Android
• Twilio Client call
  • creating / Our very first Twilio Client call
• Twilio libraries
  • URL, for iOS / Where can I use Twilio Client?
  • URL, for Android / Where can I use Twilio Client?
• Twilio PHP library
  • about / Getting started with the Twilio PHP library
  • downloading / Downloading the PHP library
  • downloading, manually / Downloading the code manually
  • downloading, package manager used / Using a package manager
  • using / Getting started
  • URL, for documentation / Making a call, Listing previous calls
• TwiML
  • usage / Where in my application will I be using TwiML?
  • about / Getting started with TwiML
  • best practices / Best practices for working with TwiML
  • adding / Adding the TwiML
• TwiML App
  • URL, for creating / Placing outgoing calls
• TwiML application
  • setting / Setting up a TwiML application
  • frontend, building / Building the frontend
  • Client token, generating / Generating a client token
  • powering, with JavaScript / Powering our interactions with JavaScript
  • TwiML, adding / Adding the TwiML
  • Twilio Client call, creating / Our very first Twilio Client call
• TwiML apps
  • about / Use Twilio's applications to manage your TwiML URLs
  • used, for managing TwiML URLs / Use Twilio's applications to manage your TwiML URLs
• two-factor authentication
  • enabling / Enabling two-factor authentication
  • reference link / Enabling two-factor authentication

U

• Unit Test framework, .NET Framework
  • about / Automated testing
  • URL / Automated testing
• unittest framework, Python
  • about / Automated testing
  • URL / Automated testing
• Usage APIs
  • about / Usage
  • URL / Usage
• Usage Triggers
  • about / Usage
• Usage Triggers, parameters
  • UsageCategory / Usage
  • TriggerValue / Usage
  • TriggerBy / Usage
  • CallbackUrl / Usage
  • FriendlyName / Usage
  • Recurring / Usage
  • CallbackMethod / Usage

V

• Validating
  • about / Setting up Laravel
  • URL / Setting up Laravel
• verbs
  • about / The world of TwiML verbs
  • <Say> / <Say>
  • <Play> / <Play>
  • <Gather> / <Gather>
  • <Record> / <Record>
  • <Message> / <Message>
  • <Enqueue> / <Enqueue>
  • <Dial> / <Dial>
• verification, Twilio requests
  • HTTP Basic Authentication / HTTP Basic Authentication
  • signature, verifying / Verifying the signature
• view
  • about / Building the CRUD interface

W

• web applications
  • Twilio Client, adding / Adding Twilio Client to your web applications
• web frameworks
  • about / Web frameworks
  • Laravel / Web frameworks
  • CodeIgniter / Web frameworks
  • CakePHP / Web frameworks
  • Ruby on Rails / Web frameworks
  • Sinatra / Web frameworks
  • Django / Web frameworks
  • Flask / Web frameworks
  • MVC / Web frameworks
  • Express.js / Web frameworks
  • Koa / Web frameworks
  • Meteor / Web frameworks
  • Hapi / Web frameworks
  • Play / Web frameworks
• webhook
  • about / Where in my application will I be using TwiML?
• WebRTC protocol
  • URL / What is Twilio Client?
• Windows
  • Twilio application, testing with ngrok / Windows