Book Image

Twilio Cookbook: Second Edition

By : Roger Stringer
Book Image

Twilio Cookbook: Second Edition

By: Roger Stringer

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Twilio Cookbook: Second Edition
Roger Stringer
Mar, 2014 | 334 pages
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Table of Contents (20 chapters)
Twilio Cookbook Second Edition
Twilio Cookbook Second Edition
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Into the Frying Pan
Into the Frying Pan
Introduction
Adding two-factor voice authentication to verify users
Using Twilio SMS to set up two-factor authentication for secure websites
Adding order verification
Adding the Click-to-Call functionality to your website
Recording a phone call
Setting up a company directory
Setting up Text-to-Speech
2
Now We're Cooking
Now We're Cooking
Introduction
Tracking account usage
Screening calls
Buying a phone number
Setting up a voicemail system
Building an emergency calling system
3
Conducting Surveys via SMS
Conducting Surveys via SMS
Introduction
Why use PDO instead of the standard MySQL functions?
Letting users subscribe to receive surveys
Building a survey tree
Sending a survey to your users
Adding tracking for each user
Listening to user responses and commands
Building a chart of responses
4
Building a Conference Calling System
Building a Conference Calling System
Introduction
Scheduling a conference call
Sending an SMS to all participants at the time of the call
Starting and recording a conference
Joining a conference call from the web browser
Monitoring the conference call
Muting a participant
5
Combining Twilio with Other APIs
Combining Twilio with Other APIs
Introduction
Searching for local businesses via text
Getting the local weather forecast
Searching for local movie listings
Searching for classifieds
Getting local TV listings
Searching Google using SMS
Searching the stock market
Getting the latest headlines
6
Sending and Receiving SMS Messages
Sending and Receiving SMS Messages
Introduction
Sending a message from a website
Replying to a message from the phone
Forwarding SMS messages to another phone number
Sending bulk SMS to a list of contacts
Tracking orders with SMS
Sending and receiving group chats
Sending SMS messages in a phone call
Monitoring a website
7
Building a Reminder System
Building a Reminder System
Introduction
Scheduling reminders via text
Getting notified when the time comes
Retrieving a list of upcoming reminders
Canceling an upcoming reminder
Adding another person to a reminder
8
Building an IVR System
Building an IVR System
Introduction
Setting up IVRs
Screening and recording calls
Logging and reporting calls
Looking up HighriseHQ contacts on incoming calls
Getting directions
Leaving a message
Sending an SMS to your Salesforce.com contacts
9
Building Your Own PBX
Building Your Own PBX
Introduction
Getting started with PBX
Setting up a subaccount for each user
Letting a user purchase a custom phone number
Allowing users to make calls from their call logs
Allowing incoming phone calls
Allowing outgoing phone calls
Deleting a subaccount
10
Digging into OpenVBX
Digging into OpenVBX
Introduction
Building a call log plugin
Building a searchable company directory
Collecting Stripe payments
Tracking orders
Building a caller ID routing plugin
Testing call flows
11
Sending and Receiving Picture Messages
Sending and Receiving Picture Messages
Introduction
Receiving MMS messages
Sending picture messages from a website
Making the picture message gallery
Filtering picture messages
Blacklisting and whitelisting the submissions
12
Call Queuing
Call Queuing
Introduction
Adding incoming callers to a call queue
Obtaining the average wait time for call queues
Setting a maximum queue size
Connecting the first caller in the queue
13
Working with Twilio Client
Working with Twilio Client
Introduction
Setting up the client
Receiving incoming calls in the browser
Making outgoing calls from the browser
Making browser-to-browser calls
Displaying availability
Index
Index

Adding incoming callers to a call queue

In this recipe, we're going to set up a simple call queue. We're going to have this work with two separate numbers: one number is the number that the callers will call on and a second number will handle the agents who call in.

Callers will get placed in a queue, and when an agent calls the agent number, they will be connected to the first caller who is waiting to speak to someone.

Getting started

The complete code for this recipe can be found in the Code/Recipe1/ folder.

How to do it…

OK, let's set up our listener.php file to place all incoming calls in a queue and agent.php to connect our agents to callers by performing the following steps:

  1. Download the Twilio Helper Library available at https://github.com/twilio/twilio-php/zipball/master and unzip it.

  2. Upload the Services/ folder to your website.

  3. Upload config.php to your web server using the following code:

      <?php
    $accountsid = '';  //  YOUR TWILIO ACCOUNT SID
    $authtoken = '';  //  YOUR TWILIO...
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