TY  - BOOK
AU  - Goncalves,Marcus
TI  - Voice over IP networks / 
SN  - 0079137830   
PY  - 1999///.
CY  - New York
PB  - McGraw-Hill, 
KW  - Computer optical file
KW  - Internet telephony TCP/IP (Computer network protocol)
N1  - Includes index; Together with CD-ROM
ER  -