What is SMS (Short Message Service)?

Short Message Service, through which subscribers can receive and send messages (SMS-messages) not exceeding 160 characters. Such messages usually contain simple text or graphics. In mobile marketing is currently SMS - the most popular channel of communication. With this service possible to move the organization shares the company, its products or services on the measurement of loyalty, conduct operational research and informational mailings. The idea of adding text messaging to the services of mobile users was latent in many communities of mobile communication services at the beginning of the 1980s. The first action plan of the CEPT Group GSM approved in December 1982 requested "The services and facilities offered in the public switched telephone networks and public data networks should be available in the mobile system"