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Mastering FreeSWITCH

Mastering FreeSWITCH

By : Russell Treleaven, Seven Du, Schreiber, Ken Rice, Mike Jerris, Florent Krieg, Kalyani Kulkarni, Charles Bujold
4.2 (6)
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Mastering FreeSWITCH

Mastering FreeSWITCH

4.2 (6)
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 (15 chapters)
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7
7. WebRTC and Mod_Verto
14
Index

Mandatory functions


Each FreeSWITCH module must at least declare three functions, LOAD, RUNTIME, and SHUTDOWN:

The LOAD and SHUTDOWN functions must be implemented, and are called at startup and when unloading the module. In LOAD you create and initialize the module's data structures, get values from the configuration file, and get your module ready for work. In SHUTDOWN you do any housekeeping needed to happily forget about your module, and in particular you release any resources you may have locked or allocated during module initialization and lifespan.

RUNTIME function implementation is not mandatory. For example, you must declare it, but you can avoid implementing it. If you implement it, the RUNTIME function will be executed in its own thread after the LOAD function has finished execution, for example, when the module has been successfully loaded by FreeSWITCH.

RUNTIME is often (not always) implemented as a looping function that will continue to run until module unloads.

Load function

Let...

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