TY  - BOOK
AU  - Davidson,Jonathan
AU  - Peters,James
TI  - Voice over IP fundamentals /  
SN  - 1578701686
PY  - 2000///
CY  - Indianápolis : 
PB  - Cisco, 
KW  - REDES
N2  - PSTN - Voice over IP technology - IP signaling protocols - Voice over IP applied - Appendix
ER  -