Basic Principles of Telephony

Basic Principles of Telephony

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This chapter reviews the basic principles of telephony and points of interest to aid a basic understanding of how the telephone operates and how the emerging new technologies affect telephony today. Discussed are telephony circuitry, the basic infrastructure, and alternatives to running the signals to the home.

Chapter Contents:

  • 1.1 History
  • 1.2 Telephony Fundamentals
  • 1.3 Basic Telephone Design
  • 1.4 Three Types of Exchanges
  • 1.5 Modems
  • 1.6 T Carrier Systems
  • 1.7 Personal Communications Services (PCS)
  • 1.8 Cellular Telephone
  • 1.9 Industrial, Scientific, Medical ISM Bands
  • 1.10 Summary
  • 1.11 References

Inspec keywords: telephony

Other keywords: telephony circuitry; telephony infrastructure; telephone operation

Subjects: Telephony

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