TY  - BOOK
AU  - Goralski,Walter
AU  - Kolon,Matthew C.
TI  - IP telephony
SN  - 007135221X
AV  - TK5105.8865 .G67 2000
PY  - 2000///
CY  - New York
PB  - McGraw-Hill
KW  - Internet telephony
ER  -