DocumentCode
1217898
Title
The TOUCH-TONE® Telephone--Transmission of Digital Information ®
Author
Soderberg, John H. ; Campbell, Robert R. ; Bates, Franklin E.
Author_Institution
Bell Telephone Labs., Inc., Holmdel, NJ
Volume
15
Issue
6
fYear
1967
fDate
12/1/1967 12:00:00 AM
Firstpage
812
Lastpage
824
Abstract
A discussion of the Bell System TOUCH-TONE®dialing system when it is alternatively used in data applications is presented. The particular aspects of this service and the hardware involved which lend themselves to alternate data uses are discussed in detail. Among the points covered are coding, the keyboard, error possibilities, and the technical aspects of the receiving data set.
Keywords
Audio frequency; Data terminals; Data transmission systems; Digital signals; Modems; Signaling; Telephone equipment; Telephone systems; signal-to-noise ratio (SNR); Circuit noise; Data communication; Frequency; Instruments; Keyboards; Protection; Speech enhancement; Telegraphy; Telephony; Transmitters;
fLanguage
English
Journal_Title
Communication Technology, IEEE Transactions on
Publisher
ieee
ISSN
0018-9332
Type
jour
DOI
10.1109/TCOM.1967.1089660
Filename
1089660
Link To Document