Mastering FreeSWITCH

Advanced tips and tricks for advanced multimedia communication

By: Russell Treleaven, Ken Rice, Seven Du, Mike Jerris, Darren Schreiber, Florent Krieg, Kalyani Kulkarni and Charles Bujold

Paid access

|Sep 2025

E-Book €28.99Institutions €128.95

Learn how to harness the impressive power of FreeSWITCH for more reliable, scalable communication with this advanced development guide

Key Features

Forget the hassle - make FreeSWITCH work for you
Discover how FreeSWITCH integrates with a range of tools and APIs
From high availability to IVR development use this book to become more confident with this useful communication software

Book Description

FreeSWITCH is one of the best tools around if you’re looking for a modern method of managing communication protocols through a range of different media. From real-time browser communication with the WebRTC API to implementing VoIP (voice over internet protocol), with FreeSWITCH you’re in full control of your projects. This book shows you how to unlock its full potential – more than just a tutorial, it’s packed with plenty of tips and tricks to make it work for you.
Written by members of the team who actually helped build FreeSWITCH, it will guide you through some of the newest features of version 1.6 including video transcoding and conferencing. Find out how FreeSWITCH interacts with other tools and APIs, learn how to tackle common (and not so common) challenges ranging from high availability to IVR development and programming advanced PBXs.
Great communication functionality begins with FreeSWITCH – find out how and get your project up and running today.

What you will learn

Get to grips with the core concepts of FreeSWITCH
Learn FreeSWITCH high availability
Work with SIP profiles, gateways, ITSPs, and Codecs optimization
Implement effective security on your projects
Master audio manipulation and recording
Discover how FreeSWITCH works alongside WebRTC
Build your own complex IVR and PBX applications
Connect directly to PSTN/TDM
Create your own FreeSWITCH module
Trace SIP packets with the help of best open
source tools
Implement Homer Sipcapture to troubleshoot and debug all your platform traffic

Who this book is for

SysAdmins, VoIP engineers – whoever you are, whatever you’re trying to do, this book will help you get more from FreeSWITCH.

Typical Uses for FreeSWITCH
Deploying FreeSWITCH performances and hardware
ITSP and Voice codecs optimization
VoIP Security
Recording Calls Music On Hold and File and Streaming Formats
Beyond SIP
WebRTC and Mod_Verto
Build complex IVR application
Controlling FS externally
IVR on Lua
Troubleshooting Debugging and Information Collection
Create your own FreeSWITCH module (for C programmers)
Managing and Troubleshooting your Communication Platform with Homer

https://github.com/packtpublishing/mastering-freeswitch

PDF ISBN: 978-1-78439-555-1

Publisher: Packt Publishing Limited

Publication date: 2025

Language: English

Pages: 300

Related subjects:

Computer sciences,

Fundamentals of computer sciences

Mastering FreeSWITCH

Key Features

Book Description

What you will learn

Who this book is for

Table of Contents

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