TY  - BOOK
AU  - Ransome, James F.
AU  - Rittinghouse, John W.
TI  - Voip Security
SN  - 8131203018
U1  - 005.8 RAN 
PY  - 2006///
CY  - Noida, U. P.
PB  - Digital Press
KW  - Network Security
ER  -