• 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