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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

Configuring FreeTDM

Any system configuration is typically best built from the bottom up. This means starting with configuring the lower layers and moving your way up as you go. In order to interface with FreeTDM from FreeSWITCH you must configure several different components:

  • Hardware devices (for example, Wanpipe or DAHDI configuration)

  • The FreeTDM library

  • The FreeSWITCH mod_freetdm endpoint configuration


If you are using Wanpipe cards the first thing you want to do is configure your /etc/wanpipeX.conf devices. There are several ways of creating the configuration but the easiest one is to use the wancfg_fs script installed with Wanpipe. Just follow the interactive prompts.

You can then start each device with wanrouter start. This starts all devices and populates /dev/wanpipe/ with a device for each channel (for example, for a T1 it will create /dev/wanpipe1_if1 to /dev/wanpipe1_if24). A span and channel number physically identifies each device. This is important to keep in mind, as it...

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