• communication via a system which converts sounds into electrical signals which are transmitted, received at one or more remote locations, and converted back into sounds. Telephony may be utilized to transmit speech or data, and signals may be sent over wires, optical fibers, or wirelessly, as is the case with cellular and satellite phone systems. At each end of a connection there is a telephone, or a device, such as a computer or PDA, which incorporates these functions. Internet telephony, for instance, uses the Internet to link computer-to-computer, computer-to-telephone, or telephone-to-telephone calls. Also called telephone communications.
  • A communications service, system, or technology based on telephony (1).
  • The branch of science dealing with telephony (1).
  • synonym telephone
  • synonym telephone communications

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