July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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Encryption with ZRTP
ZRTP is an SRTP-based encryption algorithm that differs from SRTP by exchanging encryption keys within the media stream, making the encryption more secure and also transparent to servers that don't understand the protocol. This allows ZRTP to be more flexible than SRTP and gives complete control to the endpoints to handle all levels and requirements of encryption without the risk of a man-in-the-middle attack. ZRTP also does not require a key exchange prior to media setup. The key exchange occurs during the initial portion of the RTP conversation. The ZRTP protocol is fully laid out in RFC 6189.
One of the major strong points of ZRTP is its ability to work via proxies. Typically with SRTP, every point communicating via ...
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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.