TY  - BOOK
AU  - Hersent ,Olivier
AU  - Petit,Jean-Pierre
AU  - Gurle,David
TI  - IP Telephony: Deploying Voice-Over IP Protocols 
SN  - 0470023597 (cloth)
AV  - TK5105.8865 H47 2005
U1  - 621.382/12 22
PY  - 2005///
CY  - Chichester, England : 
PB  - John Wiley
KW  - Internet telephony
KW  - LCSH
KW  - Computer network protocols
KW  - Cell phone systems
N1  - Includes index
ER  -