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How to Cheat at VoIP Security

Product Type: Book
Edition: 1st Edition
First Published: 2007
Print: 978-1-59749-169-3
eBook: 978-0-08-055353-5

Video Conferencing over IP: Configure, Secure, and Troubleshoot

Product Type: Book
Edition: 1st Edition
First Published: 2006
Print: 978-1-59749-063-4
eBook: 978-0-08-048985-8