DocumentCode
1509688
Title
Applications of touch-tone calling
Author
Benson, M. L. ; Crutchfield, F. L. ; Hopkins, H. F.
Author_Institution
American Telephone & Telegraph Company, New York, N. Y.
Volume
81
Issue
4
fYear
1962
fDate
4/1/1962 12:00:00 AM
Firstpage
262
Lastpage
267
Abstract
“Touch-Tone Calling,” a system for initiating telephone calls by means of voice-frequency tones controlled by actuating buttons, is now in service on a trial basis. The resultant marked improvement in speed and ease of use appeal strongly to telephone users. Results of field tests of system feasibility are discussed
Keywords
Central office; Electrical engineering; Laboratories; Receivers; Switches; Switching systems;
fLanguage
English
Journal_Title
Electrical Engineering
Publisher
ieee
ISSN
0095-9197
Type
jour
DOI
10.1109/EE.1962.6446830
Filename
6446830
Link To Document