Transmit and receive messages, train orders, and car reports in Morse code.
Obtains telephone numbers at pay stations for persons with visual impairment, persons unfamiliar with local telephone exchanges, or others unable to secure satisfactory telephone service. Usually stationed at hotels, military bases, or similar places frequented by strangers. Contacts international operator or direct-dials to place international telephone calls, and collects toll from caller. Periodically verifies operating condition of telephones within facility and advises supervisor of location of malfunctioning equipment.