01119cam a22003377a 4500 6445 6445 021122 OSt 20210311151232.0 070820s2007 maua 001 0 eng d 2007298838 9781597491693 1597491691 (OCoLC)ocn144227884 (OCoLC)144227884 CUK CUK CUK lccopycat TK5105.8865 .P67 2007 004.69 22 Porter, Thomas, PhD. How to Cheat at Voip Security / Thomas Porter, Michael Gough. Rockland, MA : Syngress, c2007. xx, 412 p. : ill. ; 24 cm. Includes index. Internet telephony Security measures. Computer networks Security measures. Gough, Michael, 1963- Publisher description http://www.loc.gov/catdir/enhancements/fy0742/2007298838-d.html 7 cbc copycat 2 ncip 20 y-gencatlg lcc RES 0 0 lcc 0 0 001 001 2020-01-24 021122 TK5105.8865 .P67 2007 021122 2020-01-24 00:00:00 2020-01-24 RES 0 0 lcc 0 0 001 001 2020-02-15 donation 0 TK5105.8865 .P67 2007 2020-1292 2020-02-15 00:00:00 1 2020-02-15 RES 0 0 lcc 0 0 001 001 2020-02-15 0 TK5105.8865 .P67 2007 2020-1293 2020-02-15 00:00:00 2 2020-02-15 RES 0 0 lcc 0 0 001 001 2020-02-15 0 TK5105.8865 .P67 2007 2020-1294 2020-02-15 00:00:00 3 2020-02-15 RES 0 0 lcc 0 0 001 001 2020-02-15 0 TK5105.8865 .P67 2007 2020-1295 2020-02-15 00:00:00 4 2020-02-15 RES