July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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Encryption in non-WebRTC SIP: Signaling and Media
Specific techniques to apply encryption has been developed especially for "classic", or "normal", SIP (as opposed to SIP over WebRTC, see later).
SIP encryption is based on two concepts - encrypting signaling and encrypting media (audio/video) communication. Like any standard encryption mechanism, SIP encryption utilizes standard cryptography libraries and involves key exchanges and password negotiation to securely transmit and receive information. The main encryption algorithms used in SIP (which are detailed later) are very similar to SSL over the web and key exchange is used when connecting to remote servers via SSH. In either exchange, the main goal is to end up with an encryption algorithm ...
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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.