The Domestic Telephone System

  • William J. Barksdale
Part of the Applications of Communications Theory book series (ACTH)


The present telephone system in the United States represents more than a century of evolution in voice telephone communications. Since the original telephone patents were issued to Alexander Graham Bell in 1876 there have been enormous technological strides in telecommunications, and today we enjoy a convenient and highly reliable system interconnecting practically every home and business in the country, as well as providing easy access to most foreign nations. The huge telephone network, which is often called the world’s most complex machine, is an incredible system of electronic and mechanical switches, cable and radio links, network management gear, and subscriber premises equipment. It is certainly one of our most valuable national resources. Today, some of the telephone plant is very modern, but a great deal of older equipment is still in use. It is being steadily replaced, but the huge capital costs involved makes replacement a slow process, particularly since most old equipment still works very well.


Central Office Polar Code Coaxial Cable Telephone System Local Loop 
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  1. 1.
    Bell Syst. Tech. J. (Special Issue on the DDS) 54(5) (1975).Google Scholar
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    J. E. Nuwer, Why the line acts that way—and what can be done, Data Commun. 7, 63–73 (1978).Google Scholar

Suggested Readings

  1. J. C. Bellamy, Digital Telephony, Wiley, New York (1982).Google Scholar
  2. J. J. Spikier, Jr., Digital Communications by Satellite, Prentice-Hall, Englewood Cliffs, New Jersey (1977).Google Scholar
  3. S. D. Personick, Fiber Optics: Technology and Applications, Plenum Press, New York (1985).Google Scholar
  4. J. L. Fike and G. E. Friend, Understanding Telephone Electronics, Texas Instruments, Dallas Texas (1983).Google Scholar
  5. D. Talley, Basic Carrier Telephony ( 3rd ed. ), Hayden, Rochelle Park, New Jersey (1977).Google Scholar
  6. R. F. Rey (ed.), Engineering and Operations in the Bell System (2nd ed.), AT&T Bell Laboratories, New Jersey (1983).Google Scholar
  7. R. L. Freeman, Telecommunications System Engineering: Analog and Digital Design, Wiley, New York (1980).Google Scholar

Copyright information

© Plenum Press, New York 1986

Authors and Affiliations

  • William J. Barksdale
    • 1
  1. 1.South TEC AssociatesHuntsvilleUSA

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