TY  - BOOK
AU  - Sisalem, Dorgham
AU  - Floroiu, John jt.au.
TI  - Sip security
SN  - 9780470516362
U1  - 005.8 
PY  - 2009///
CY  - Chichester
PB  - John Wiley and Sons
KW  - Computer networks-Security measures
KW  - Computer network protocols
ER  -