TY  - BOOK
AU  - Wallace,Kevin
TI  - Voice Over IP: first-step 
SN  - 1587201569 (paperback)
U1  - 004.692WAL 
PY  - 2006///
CY  - New Delhi
PB  - Cisco press
KW  - Internet telephony
UR  - http://10.10.170.122:8080/browse/book/26680
ER  -