Endler, David.
Hacking Exposed VoIP : Voice over IP Security Secrets & Solutions / Endler David, Collier Mark. - New York : McGraw-Hill, 2007. - XXVII, 539 s.: il.; 23 cm.
9780072263640
Hacking Exposed VoIP : Voice over IP Security Secrets & Solutions / Endler David, Collier Mark. - New York : McGraw-Hill, 2007. - XXVII, 539 s.: il.; 23 cm.
9780072263640