TY  - BOOK
AU  - Hersent, Olivier
TI  - IP telephony: : deploying voice-over IP protocols
SN  - 9780470023594
U1  - 621.38212 HER 
PY  - 2005///
CY  - Chichester, England
PB  - John Wiley
KW  - IP telephony
KW  - Olivier Hersent
KW  - David Gurle
KW  - Jean-Pierre Petit
KW  - Internet telephony
ER  -