Book Image

Mastering FreeSWITCH

By : Russell Treleaven, Seven Du, Schreiber, Ken Rice, Mike Jerris, Florent Krieg, Kalyani Kulkarni, Charles Bujold
4 (1)
Book Image

Mastering FreeSWITCH

4 (1)
By: Russell Treleaven, Seven Du, Schreiber, Ken Rice, Mike Jerris, Florent Krieg, Kalyani Kulkarni, Charles Bujold

Overview of this book

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.
Table of Contents (21 chapters)
Mastering FreeSWITCH
Credits
About the Authors
About the Reviewers
Contributors
www.PacktPub.com
Preface
7
WebRTC and Mod_Verto
Index

Summary


In this chapter, we first had an overview of how fax works in both traditional PSTN and VoIP. Then we described a T38 protocol, which makes faxing available on packet networks.

We delved into FreeSWITCH mod_spandsp, the module in charge of faxing (and other Digital Signal Processing features). We've seen how to configure the module, and how to receive, detect, and send faxes.

We then looked at the most common fax-related processing, like conversion from and to PDF, and mail attachment. We closed the chapter with hints on how to integrate FreeSWITCH's fax capabilities with workflows and ITSPs.