The Rolm Computerized Branch Exchange: An Advanced Digital PBX

1 June 1979

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Computer

Vol. 12 (6) , 24-31
https://doi.org/10.1109/MC.1979.1658776

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

COMPUTER AIDED MANUFACTURING
SWITCHES
PHASE CHANGE MATERIALS
TELEPHONY
ENCODING
COMPUTER ARCHITECTURE
SWITCHING CIRCUITS
BUSINESS COMMUNICATION
CONTROL SYSTEMS

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