• DocumentCode
    1227083
  • Title

    National Telephone Network Transmission Planning in the American Telephone and Telegraph Company

  • Author

    Andrews, Frederick T., Jr. ; Hatch, Richard W.

  • Author_Institution
    Bell Telephone Labs., Holmdel, N. J.
  • Volume
    19
  • Issue
    3
  • fYear
    1971
  • fDate
    6/1/1971 12:00:00 AM
  • Firstpage
    302
  • Lastpage
    314
  • Abstract
    The transmission plan associated with the toll switching plan used by the American Telephone and Telegraph Company has evolved and will continue to change to take advantage of new technology in providing better transmission quality and new service capabilities. This paper describes the present network plan and quality controls that are applied. An indication is given of future trends that will affect transmission planning.
  • Keywords
    Circuit testing; Communication switching; Communications technology; Costs; Crosstalk; Propagation losses; Quality control; Technology planning; Telegraphy; Telephony;
  • fLanguage
    English
  • Journal_Title
    Communication Technology, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9332
  • Type

    jour

  • DOI
    10.1109/TCOM.1971.1090647
  • Filename
    1090647
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1227083