In telecommunications, a type of transmission of voice or video where the signal is sent as a stream of changing radio waves and is similar to what is received.
Operator services involve operator assistance in placing a call.
Cellular Cellular service is a form of wireless telephone that uses FM radio waves to transmit conversations. Cellular calls are transmitted using either digital or analog technology. Through analog transmission, your voice is actually carried on the airwaves. Digital transmission transforms the human voice into computer language, providing greater system capacity. Cloning Cloning is when a wireless phone has been programmed to duplicate another wireless phone.