Book Image

Mastering FreeSWITCH

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

Mastering FreeSWITCH

4 (1)
By: Russell Treleaven, Seven Du, Darren Schreiber, Ken Rice, Mike Jerris, Kalyani Kulkarni, Florent Krieg, 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
About the Authors
About the Reviewers
WebRTC and Mod_Verto


In this chapter, we first had an overview of how audio and video conferencing works, then we saw how FreeSWITCH can be configured as a conferencing server.

We defined our conferences' profiles as setting groups that can be assigned to conferences when they start. In the same configuration file that contains the conferences' profiles we define caller-controls sections. Caller-controls are groups of DTMF-command mappings that are assigned to a conference inside profiles, and define how participants and moderators can interact using the dialpad.

We saw how to create a dialplan extension pointing to a conference, setting its channel variables. Also, we learned how to add participants having the conference to originate outbound calls to prospective attendees.

Management of conferences, who has the floor, who is kicked out, muting and unmuting participants, and the like, is best done with API calls. We saw how to use API via command line and via graphical interfaces, the best one being Verto...