A professional who 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.