TY  - BOOK
AU  - Davidson, Jonathan
AU  - Peters, James
ED  - Cisco Systems
TI  - Voice Over IP Fundamentals 
SN  - 1578701686
U1  - 004.62 
PY  - 2000///
CY  - Indianapolis : 
PB  - Cisco Press, 
KW  - TCP/IP Transmission Control Protocol Internet Protocols
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/1-57870-168-6.pdf
ER  -