July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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More about conditions
Conditions are the control elements in XML dialplan. Inside each extension there is at least one "condition" tag where the characteristics of the configuration/system/incoming call, represented by variables, are checked against a (regular) expression. If the condition is evaluated as true, the actions inside the condition are added to the call's TODO list. If evaluated as false, anti-actions (if present) are added to the TODO list. The general format is:
<extension name="is_looking_for_2900" continue="true"> <condition field="destination_number" expression="^2900$" break="on-true"> <action application="log" data="WARNING first TRUE"/> <anti-action application="log" data="ERR first FALSE"/> </condition> <condition field="destination_number" ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.