Search Results for Internet telephony.

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Cover image for Hacking exposed : unified communications & VoIP security secrets & solutions
Hacking exposed : unified communications & VoIP security secrets & solutions
Hacking exposed : unified communications & VoIP security secrets & solutions
by 
Collier, Mark D., author.
Format: 
Books
Publication Date 
2014
Excerpt: 
Internet telephony -- Security measures.
Available: Copies:
Cover image for A practical guide to advanced networking
A practical guide to advanced networking
A practical guide to advanced networking
by 
Beasley, Jeffrey S., 1955-
Format: 
Books
Publication Date 
2013
Excerpt: 
Existing PBXs to Support IP Telephony -- Switching to a Complete IP Telephony Solution -- 11-3. Quality Of
Available: Copies:
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