TY  - BOOK
AU  - Douskalis, Bill
TI  - IP telephony : the integration od robust VOIP services
U1  - 621.385  DOU;1  R 
PY  - 2000///
CY  - New Delhi
PB  - Pearson Education (Singapore)
KW  - IP,telephony,:,integration,od,robust,VOIP,services
ER  -