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Mastering FreeSWITCH

You're reading from   Mastering FreeSWITCH Advanced tips and tricks for advanced multimedia communication

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Product type Paperback
Published in Jul 2016
Publisher Packt
ISBN-13 9781784398880
Length 300 pages
Edition 1st Edition
Languages
Concepts
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Authors (8):
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Darren Schreiber Darren Schreiber
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Darren Schreiber
Russell Treleaven Russell Treleaven
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Russell Treleaven
Kalyani Kulkarni Kalyani Kulkarni
Author Profile Icon Kalyani Kulkarni
Kalyani Kulkarni
Seven Du Seven Du
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Seven Du
Charles Bujold Charles Bujold
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Charles Bujold
Ken Rice Ken Rice
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Ken Rice
Florent Krieg Florent Krieg
Author Profile Icon Florent Krieg
Florent Krieg
Mike Jerris Mike Jerris
Author Profile Icon Mike Jerris
Mike Jerris
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Toc

Table of Contents (15) Chapters Close

Preface 1. Typical Voice Uses for FreeSWITCH 2. Deploying FreeSWITCH FREE CHAPTER 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

Tools

Telecommunication can be seen as being comprised of the two elements of signaling and media, and so can the tools to debug and troubleshoot it.

But this comes with a caveat: Anything that runs in a server, or through wires, is just packets of data. So, for media too, we will have to get the stream of data describing our audio (or video, or fax), then convert it into a playable format, and hear what the end user experience was.

Bottom line: Packet capture, analysis, conversion, editing, archiving, slicing and dicing is the bread and butter of diagnosing VoIP for all that concerns codecs, routing, networking, infrastructure, and the like, while media replaying (say, listening or watching captured RTP packets) has in itself a lesser role. But actual end user experience can only be understood via media replaying (are there audio artifacts? Low volume? Echo? Noise? Clipping?). Understanding end user experience "in their own words" is fundamental for a smooth support assistance...

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