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What Does Telephony Mean?

Telephony is a technology which allows voice and/or interactive communication between two points through the usage of appropriate equipment. Analog sound signals are translated into electrical signals after a communication request is initiated. These electrical signals are converted back to analog sound signals once received at the destination.


Techopedia Explains Telephony

IP or Internet telephony is the latest terminology related to data/voice communication. It uses the Internet as a medium of communication.

IP telephony allows data communication in which voice, fax or digital information can be transmitted over the Internet. It is replacing conventional telephony and telecommunication infrastructure very rapidly because it offers the following key features:

  • Unlimited voice mail
  • Ability to send email and other data
  • Text chat feature
  • Low-cost fax transmissions
  • Low-cost land line and cellular calls
  • Video calls
  • Ability to stop unwanted calls

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Margaret Rouse
Technology Expert
Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.