PHONING

Electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds

Example: "I talked to him on the telephone"

(phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language

Electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear

Example: "It was not the typing but the earphones that she disliked"