TY  - BOOK
AU  - David J. Wright
TI  - Voice Over Packet Networks
SN  - 0000051403
U1  - 1.621 
PY  - 2001///
CY  - New York
PB  - John wiely
KW  -  Over
KW  -  Packet
KW  -  Voice
KW  - Computer Networks Datanetworks
KW  - Networks
ER  -