A one time initial connection and setup fee charged by the service provider at the time of service initiation.
Most carriers bill in minutes increments, a few bill in seconds increments.
Customer is charged for incoming and outgoing calls and also for toll-free calls. The airtime rate varies based on the time of day the call is made or received. A display capable of showing letters, numbers and other special characters. AMPS stands for Advanced Mobile Phone System. AMPS was the first analog system used for providing cellular phone service.