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Mastering FreeSWITCH

You're reading from  Mastering FreeSWITCH

Product type Book
Published in Jul 2016
Publisher Packt
ISBN-13 9781784398880
Pages 300 pages
Edition 1st Edition
Authors (8):
Russell Treleaven Russell Treleaven
Profile icon Russell Treleaven
Seven Du Seven Du
Profile icon Seven Du
Darren Schreiber Darren Schreiber
Profile icon Darren Schreiber
Ken Rice Ken Rice
Profile icon Ken Rice
Mike Jerris Mike Jerris
Profile icon Mike Jerris
Kalyani Kulkarni Kalyani Kulkarni
Profile icon Kalyani Kulkarni
Florent Krieg Florent Krieg
Profile icon Florent Krieg
Charles Bujold Charles Bujold
Profile icon Charles Bujold
View More author details

Table of Contents (21) Chapters close

Mastering FreeSWITCH
About the Authors
About the Reviewers
1. Typical Voice Uses for FreeSWITCH 2. Deploying FreeSWITCH 3. ITSP and Voice Codecs Optimization 4. VoIP Security 5. Audio File and Streaming Formats, Music on Hold, Recording Calls 6. PSTN and TDM 7. WebRTC and Mod_Verto 8. Audio and Video Conferencing 9. Faxing and T38 10. Advanced IVR with Lua 11. Write Your FreeSWITCH Module in C 12. Tracing and Debugging VoIP 13. Homer, Monitoring and Troubleshooting Your Communication Platform Index


Bear with me for a few paragraphs and you'll be wiser by understanding how the OSS telephony revolution started and how FreeTDM came into existence and was integrated in FreeSWITCH.

In the early days of the FreeSWITCH project, Anthony wrote the telephony library, "OpenZap" and the endpoint driver, mod_openzap to interconnect FreeSWITCH with analog and digital time domain multiplexing (TDM) networks, making use of telephony hardware from vendors such as Sangoma, Digium, and Pika Technologies. The OpenZap project was named after the older "Zapata Telephony"(ZapTel) project by Jim Dixon, who was probably the first person to come up with an open source driver to connect an ISDN telephony card and then a cheap voice modem to a BSD/Linux computer. ZapTel was a revolutionary project in many ways (hence the name "Zapata Telephony", after the Mexican revolutionary, Emiliano Zapata) and provided a critical boost to the open source telephony movement (which, arguably, really took off with the...

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