telefonici
Telefonici is the Italian adjective meaning "telephonic" or "relating to the telephone." It is formed from the noun telefono (telephone) with the suffix -ico, and the root telefono ultimately derives from Greek elements meaning distant voice. The word agrees in gender and number with the nouns it modifies, for example cavi telefonici (telephone cables) or sistemi telefonici (telephony systems). The feminine form is telefoniche.
As an adjective, telefonici is widely used in technical, industrial, and everyday language to describe equipment,
Historically, the term could appear in shorthand references to workers or activities related to telephone exchanges,
See also: Telefonia, Telecommunication, Impianti telefonici.