TY  - BOOK
AU  - Kaza, Ramesh
AU  - Asadullah, Salman
TI  - Cisco IP Telephony Planning Design Implementation Operation and Optimization 
SN  - 1587051575
U1  - 004.69 
PY  - 2005///
CY  - Indianapolis, in : 
PB  - Cisco Press, 
KW  - Internet Telephony
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/1-58705-157-5.pdf
ER  -