TY  - BOOK
AU  - Douskalis, B
TI  - Ip telephony the integration of robust voip services
SN  - 81-7808-285-3
U1  - 006.7 
PY  - 2002///
CY  - New Delhi
PB  - Pearson Publication
KW  - Computer EngineeringInformation Technology
ER  -