文档介绍：3/1/06 4:39 PM Page i
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3/1/06 4:40 PM Page iii
Practical
VoIP Security
Thomas Porter
Jan Kanclirz
Andy Zmolek
Antonio Rosela
Michael Cross
Larry Chaffin
Brian Baskin
Choon Shim
3/1/06 4:40 PM Page iv
Syngress Publishing, Inc.,