Practical VoIP security [electronic resource] /
Thomas Porter ... [et al.].
- Rockland, MA : Syngress Publishing, c2006.
- xxviii, 563 pages : illustrations ; 23 cm.
Includes index.
1597490601
GBA644796 bnb
Internet telephony--Security measures.
Computer networks--Security measures.
Computer networks--Security measures.
TK5105.886 / .P73 2006
621.38212