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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
Languages
Concepts
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
Toc

Table of Contents (21) Chapters close

Mastering FreeSWITCH
Credits
About the Authors
About the Reviewers
Contributors
www.PacktPub.com
Preface
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

Recording calls


Call recording is different from message (prompt) recording. You want to record both the caller and the callee, that is, the entire conversation made by A-leg (caller) and B-leg (callee).

You may want to end up with two files (one file will contain the caller's audio, the other one the callee's speech), or one file that contains the two legs mixed together, or (and this is an elegant and practical solution) one stereo file that will contain the caller's audio on one channel (for example, the left channel), and the callee's on the other (right) channel.

Also, you may want this recording to happen automatically at each call, or to be activated by the end user (or administrator) pressing a special feature key.

Here the dialplan application you want to use is record_session. By default record_session will do the right thing (TM) and record a stereo file containing one leg per channel.

<action application="record_session" data="/tmp/${uuid}.wav"/>

To modify the default behavior...

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