LEADER 00000nam 2200217 a 4500 001 b90013459641 003 UkLCURL 008 060509s2006 ma 000 0 eng 020 1597490601 040 BDS 049 |jCU|k990013459641|lb|m- 050 4 TK 5105.8865 P8 245 00 Practical VoIP security /|cThomas Porter ... [et al.] 260 Rockland, Mass. :|bSyngress,|c2006. 300 563p. 650 0 Internet telephony|xSecurity measures. 700 1 Porter, Thomas.
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