TY  - BOOK
AU  - Collins, Daniel
TI  - Carrier grade voice over IP
SN  - 9780070603233
U1  - 004.69 COL-D 
PY  - 2003///
CY  - India
PB  - Tata McGraw-Hill
KW  - Internet telephony
N1  - McGraw-Hill networking professional
ER  -