The Rolm Computerized Branch Exchange: An Advanced Digital PBX
Author :
Kasson, James M.
Author_Institution :
Rolm Corporation
Volume :
12
Issue :
6
fYear :
1979
fDate :
6/1/1979 12:00:00 AM
Firstpage :
24
Lastpage :
31
Abstract :
The private branch exchange, employing pulse-code modulation and computer-controlled time-division multiplexing, is an increasingly popular tool for enhancing the flexibility and reducing the cost of business telephone operations.
Keywords :
Business communication; Computer aided manufacturing; Computer architecture; Control systems; Encoding; Phase change materials; Switches; Switching circuits; Telephony;
