Call restriction - User feature that limits phone use. Call timer - Tracks duration, saves last call time, and may tally total air time. Car Phone - A cellular telephone that is permanently installed and integrated into the wiring of a motor vehicle. Also called a mobile phone. It may connect to car battery and external antenna.
All digital phones work both on digital and analog systems, so they are called dual-mode.
FARS - Fatal Analysis Sampling System. A census of fatal accidents which result from highway crashes. GSM - Global System for Mobile Communication. A network which generally covers a fairly broad geographic area and which offers customized travel, financial, reference and commercial information to smart-phone subscribers. Hand held telephone - a portable model that must be held to the ear and mouth for use.