November 2014
Intermediate to advanced
220 pages
6h 54m
English
Content preview from Securing VoIP
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Chapter 6
Other protocols SRTP, ZRTP, and SIPS
Abstract
Other security protocols can be employed to protect the Voice over IP (VoIP) depending on the user needs. These include Secure Real-Time Transport Protocol (SRTP), or securing the actual Real-Time Transport Protocol (RTP) packets on the media channel, Zimmerman Real-Time Transport Protocol (ZRTP), and secure Session Initiation Protocol (SIP). When looking at the way to secure the VoIP, two things come to mind: first is the signaling and control channel (SIP) and second is the media channel (RTP). Initially no one cared about the call setup and teardown, until the SIP messages were manipulated and calls could be redirected to a third party or forked to multiple extensions. When this ...
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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.
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