TY  - BOOK
TI  - VoIP and unified communications : internet telephony and the future voice network 
SN  - 9781118019214 
U1  - 621.385 FLA 2012 
PY  - 2012///
CY  - New Jersey
PB  - John Wiley & Sons
KW  - Computer networks
KW  - Security measures
KW  - Internet telephony
KW  - Multimedia communications
N1  - Includes index
ER  -