Title :
Central office and PBX arrangements for Touch-Tone calling
Author :
Gagne, D.F. ; Schulz, C.J.
Author_Institution :
Bell Telephone Laboratories, Inc., New York, N. Y.
fDate :
3/1/1963 12:00:00 AM
Abstract :
Touch-Tone calling will require the addition of receiver converter equipment in central office and PBX (private branch exchange) systems to enable them to respond to the new type of signals generated by the Touch-Tone station sets. The receiver-converter unit differs for each system.
Keywords :
Business; Central office; Receivers; Registers; Relays; Switches; Timing;
Journal_Title :
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the
DOI :
10.1109/TCE.1963.6373292
