TY  - GEN
AU  - Davidson, Jonathan
AU  - Peters, James
TI  - Vioce over IP fundamentals
SN  - 9788176355780
U1  - 004.6 
PY  - 2001///
CY  - New Delhi
PB  - Techmedia
KW  - Digital communication
KW  - Digital telephone system
KW  - Computer network
KW  - internet telephony
ER  -