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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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Anthony Minessale II Anthony Minessale II
Author Profile Icon Anthony Minessale II
Anthony Minessale II
Giovanni Maruzzelli Giovanni Maruzzelli
Author Profile Icon Giovanni Maruzzelli
Giovanni Maruzzelli
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Toc

Table of Contents (17) Chapters Close

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

API commands from Dialplan


All commands (APIs) you can execute from cli in the FreeSWITCH console are also available to be used in dialplan.

Many API commands are provided by mod_commands (search for it in http://freeswitch.org/confluence), but usually all modules add their own API commands you can execute from the console command line. From the console, type "help" for a quick overview.

The general form to execute an API command from dialplan is:

${api_command(argument01 argument02)} 

You may use the "set" action, and assign to a channel variable (that you maybe will not use) the string returned from the console command line.

API commands' arguments are between parenthesis and separated by spaces; if there are no arguments, use empty parenthesis.

The third action line of this example extension will try to unload mod_verto from FreeSWITCH, and the fifth action line will give us the SIP dialstring to call the caller (if the call was originated by a registered phone):

<extension name="API"&gt...
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