July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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Dialplan Contexts
The "public" dialplan context contains extensions that can be safely reached by calls that are incoming from the wild external world and by non authenticated users. Those extensions do not give access to costly services (eg, outbound calls) or to exploitable features.
The "public" context is the one servicing inbound calls from DID numbers, sent to us by ITSPs. Also, this same "public" context is servicing whatever call comes from non-authenticated users.
It has very few features and extensions, just enough to connect an inbound call to one of our registered internal phones, or to services like voicemail and IVRs. And it usually provides those features and services by "transferring" in an absolute and final way the call ...
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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.