Definitions

1. noun

The technology of transmitting the human voice over wires or radio, especially over long distances

“The company’s telephony services are available in over 100 countries worldwide.”

2. noun

The art or practice of transmitting and receiving sounds, especially the human voice, over a telephone system

“She studied telephony in college and now works as a telecommunications engineer.”

3. verb

to communicate by telephone

“She telephoned her friend to cancel their plans.”