Definition of telephonetics in English:

telephonetics

noun

rare
  • The use of the telephone; communication over the telephone. Formerly also: †a system of signalling or communication by sounds (obsolete).

Origin

Late 19th century; earliest use found in Funny Folks. Blend of telephone and phonetics.

Pronunciation

telephonetics

/ˌtɛlɪfəˈnɛtɪks/