91-01-0420-OPTION314 REV B

Definition Telephone

An item specifically designed to convert sound into variations of an electric current and to reconvert similar variations into their original sound with sufficient accuracy for clear intelligibility. It consists of a telephone transmitter, telephone receiver, and a switch and is primarily used for voice communications. Includes pedestal type, cradle type and hang-up type telephones. Does not include separate handsets or head and chest sets.