TY  - BOOK
AU  - Ransome, James F. 
AU  -  Rittinghouse ,  John W.
TI  - Voice over Internet Protocol (VoIP) Security
SN  -  978-1555583323
U1  - 005.8 
PY  - 2006///
CY  - New Delhi 
PB  -  Elsevier
KW  - Computer Programming
ER  -