ISDN

ISDN (Integrated Services Digital Network) je , , , . ISDN-, , .

ISDN- j . ISDN : (Basic Rate Interface-BRI), (Primary Rate Interface-PRI) ISDN (Broadband ISDN - B-ISDN).

ISDN , , , . ( ), ( ), 64 kbit/s. ISDN- , ISDN 128 kbit/s , upstream downstream. ISDN B , 3 4 BRI- (6 8 64 kbit/s).

, ISDN . ISDN , - - .

ISDN- , , , , . . ISDN , .

ISDN-

ISDN , , ;

;

: ;

64kbps, ;

.

ISDN-

, , ;

POTS (Plain Ordinary Telephon Service)

ISDN ( 500.000 $);

ISDN , .

ISDN , , .