July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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Summary
In this chapter, we discussed the following:
- The basic structure of XML dialplan:
- dialplan is divided into contexts
- contexts contains extensions
- extensions contains one or more conditions
- conditions decides about the execution of contained actions and anti-actions
We then reviewed the meaning of "call legs" (A-leg is the incoming call, B-legs are the outbound calls originated by FreeSWITCH in response to A-leg dialplan processing).
We also looked at channel variables, how to set and check them, followed by an explanation of how dialplan is traversed by accumulating "actions" in a TODO list that's executed after dialplan traversal.
And the basic building blocks of useful extensions: applications and dialstrings.
In next chapter we'll ...
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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.