TY  - BOOK
AU  - Collins, Daniel
TI  - Carrier grade voice over IP
SN  - 0-07-060323-5
PY  - 2005///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Computer science
KW  - Internet telephony
KW  - VO IP
KW  - Voice over IP
N1  - (McGraw-Hill Networking and communications
ER  -