July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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Testing media SIP encryption
In demo configuration, when you call 9664 (or press "3" after calling the demo IVR at 5000) both SRTP and ZRTP are tried. If you call from a recent softphone with SRTP or ZRTP enabled (eg, Linphone) you will hear "This call is secure" before the music.
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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.