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telephony

 - 4 dictionary results

te⋅leph⋅o⋅ny

[tuh-lef-uh-nee]
–noun
1. the construction or operation of telephones or telephonic systems.
2. a system of telecommunications in which telephonic equipment is employed in the transmission of speech or other sound between points, with or without the use of wires.

Origin:
1825–35; telephone + -y 3
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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te·leph·o·ny   (tə-lěf'ə-nē)   
n.  
  1. The transmission of sound between distant stations, especially by radio or telephone.

  2. The technology and manufacture of telephone equipment.

te·leph'o·nist n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Computing Dictionary

telephony communications
Communication, often two-way, of spoken information, by means of electrical signals carried by wires or radio waves. The term was used to indicate transmission of the voice, as distinguished from telegraphy (done in Morse code and usually called "continuous wave" or CW transmission), radio teletypewriter (RTTY) transmission (also called FSK for "Frequency Shift Keying", the modulation scheme used by such machines), and later, facimile.
(1995-03-14)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Encyclopedia

telephony

instrument designed for simultaneous two-way voice communication and the technological system through which it is employed. It is a central part of modern telecommunication.

Learn more about telephony with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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