TY  - BOOK
AU  - Hardy, William C.
TI  - VoIP Service Quality Measuring and Evaluating Packet Switched Voice 
SN  - 0071410767
U1  - 004.6 
PY  - 2003///
CY  - New York : 
PB  - McGraw-Hill, 
KW  - Internet Telephony
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-07-141076-7.pdf
ER  -