The Short Message Service (SMS) is a text messaging service component of most telephone systems, the World Wide Web and mobile telephony. Uses standardized communication protocols to allow mobile phone devices to exchange short text messages. An intermediary service can facilitate a text-to-speech conversion to be sent to fixed lines. SMS was the most widely used data application, with an estimated 3.5 billion active users, or about 80% of all mobile subscribers, by the end of 2010.
SMS, as used in modern phones, originated from radiotelegraphy in note radio finders using standardized telephone protocols. These protocols enabled users to send and receive messages up to 160 alphanumeric characters to and from the GSM (GSM) system. Mobile phones. Although most SMS messages are mobile-to-mobile text messages, support for the service has been extended to include other mobile technologies, such as ANSI CDMA and AMPS digital networks.
SMS is also used in mobile marketing, a type of direct marketing. According to a market research report, as of 2014, the global SMS messaging business is estimated to be worth more than $ 100 billion, accounting for almost 50 percent of all revenue generated by mobile messaging.