TY  - BOOK
AU  - Johnston,Alan B.
AU  - Piscitello,David M.
TI  - Understanding voice over IP security
T2  - Artech House telecommunications library
SN  - 9781596930506
AV  - TK5105.8865  .J63 2006
PY  - 2006///
CY  - London
PB  - Artech House
KW  - Internet telephony
KW  - Security measures
KW  - TCP/IP (Computer network protocol)
ER  -