olumbia roadcasting ystem, a television network. See NBC, ABC.
Cell Broadcast Service A GSM service that allows carriers to broadcast messages to all devices reachable from a certain cell or a group of cells. Devices with WMA support can receive CBS messages, but not send them.
CBS is one of the largest radio and television networks in the United States. The name is derived from an abbreviation of Columbia Broadcasting System, its former legal name. After the company became known as CBS, Inc. in 1971,http://www.cbscorporation.com/our_company/timeline/index.php?year=1971-1975 Westinghouse Electric Corporation acquired the network in 1995.