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How to cheat at Voip security /

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Bibliographic Details
Main Author: Porter, Thomas, PhD
Other Authors: Gough, Michael, 1963-
Format: Book
Language:English
Published: Rockland, MA : Syngress, [2007]
Subjects:
Internet telephony > Security measures.
Computer networks > Security measures.
Description
Item Description:Includes index.
Physical Description:xx, 412 pages : illustrations ; 24 cm.
ISBN:9781597491693
1597491691