July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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Protecting media
Encryption of the RTP streams (audio and video) ensures that the actual content of SIP calls cannot be listened on, recorded, or otherwise illegally obtained. There are multiple ways to achieve this security.
At its core, encryption requires that both sides involved agree on an encryption method and an algorithm for encrypting and decrypting the data being transmitted and received. In other words, you can't use an encryption method that isn't supported by both sides. In addition, encryption algorithms are based on key exchanges, generally at the beginning of the call. These key exchanges are similar to exchanging passwords by both parties, but in an electronic and often automated way.
There are two popular forms of encryption ...
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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.