TY  - BOOK
AU  - Hersent,Olivier,Petit,Jean-Pierre
AU  - Gurle,David
TI  - IP TELEPHONY: DEPLOYING VOICE-OVER-IP PROTOCOLS
SN  - 0470023597
U1  - 621.38212 
PY  - 2005///
CY  - 
PB  - John Wiley And Sons Ltd., Chichester
KW  - Internet Telephony
ER  -