April 2011
Intermediate to advanced
480 pages
20h 53m
English
book
InfoSecurity 2008 Threat Analysis
by Craig Schiller, Seth Fogie, Colby DeRodeff, Michael Gregg, Paul Schooping
Content preview from InfoSecurity 2008 Threat Analysis
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312 Chapter 10 9 Understanding and Taking Advantage of VolP Protocols
This alone is pretty nifty stuff, but it doesn't stop there! IAX2 also employs various ways
to reduce the amount of bandwidth needed in order to operate. It uses a different approach
when signaling for call setup, tear down, or modification. Unlike SIP's easy-to-understand
almost HTTP-like commands (methods) and responses, IAX2 uses a "binary" approach.
Whereas SIP sends almost standard "text" type commands and response, IAX2 opted to use
smaller binary "codes." This reduces the size of signaling.
To further reduce ...
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