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FreeSWITCH 1.8

You're reading from   FreeSWITCH 1.8 Get to grips with VoIP and WebRTC communication and quickly build robust telephony systems with FreeSWITCH

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Product type Paperback
Published in Jul 2017
Publisher Packt
ISBN-13 9781785889134
Length 434 pages
Edition 1st Edition
Concepts
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Authors (2):
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Giovanni Maruzzelli Giovanni Maruzzelli
Author Profile Icon Giovanni Maruzzelli
Giovanni Maruzzelli
Anthony Minessale II Anthony Minessale II
Author Profile Icon Anthony Minessale II
Anthony Minessale II
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Toc

Table of Contents (23) Chapters Close

Title Page
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Architecture of FreeSWITCH FREE CHAPTER 2. Building and Installation 3. Test Driving the Example Configuration 4. User Directory, SIP, and Verto 5. WebRTC, SIP, and Verto 6. XML Dialplan 7. Phrase Macros and XML IVRs 8. Lua FreeSWITCH Scripting 9. Dialplan in Deep 10. Dialplan, Directory, and ALL via XML_CURL and Scripts 11. ESL - FreeSWITCH Controlled by Events 12. HTTAPI - FreeSWITCH Asks Webserver Next Action 13. Conferencing and WebRTC Video-Conferencing 14. Handling NAT 15. VoIP Security 16. Troubleshooting, Asking for Help, and Reporting Bugs

Dialstring formats


Dialstrings serve as arguments when originating (eg, creating new, outbound from the FreeSWITCH server) calls.

Each endpoint module has its own dialstring syntax. The most important endpoint modules are mod_sofia (supporting SIP signaling protocol) and mod_verto (supporting VERTO protocol).

Call creation (origination) is made in dialplan by the application "bridge". If you are in dialplan you are processing an incoming call, and the newly originated call(s) will be "bridged" to the incoming.

All registered users can get their dialstring from User Directory (that's what happen in demo configuration). In User Directory you can set a generic dialstring for all users, and specially crafted dialstrings for a users' group and/or for an individual user. Each value can be overridden the more specific you get.

Also, you can originate calls from command line (or from scripting), with the "originate" command (see later in this section).

SIP (sofia)

The basic Sofia dialstring takes two...

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