TY  - GEN
AU  - Collins,Daniel
TI  - Carrier grade voice over IP
SN  - 0071406344
U1  - 004.6 
PY  - 2003///
CY  - New York
PB  - McGraw-Hill
KW  - Internet telephony
UR  - http://www.loc.gov/catdir/bios/mh041/2003267058.html
UR  - http://www.loc.gov/catdir/description/mh031/2003267058.html
UR  - http://www.loc.gov/catdir/toc/mh031/2003267058.html
ER  -