Short Message Account (SMS) is a argument messaging account basic of phone, web, or adaptable advice systems, appliance connected communications protocols that acquiesce the barter of abbreviate argument letters amid anchored band or adaptable buzz devices.

SMS argument messaging is the a lot of broadly acclimated abstracts appliance in the world, with 2.4 billion alive users, or 74% of all adaptable buzz subscribers.[citation needed] The appellation SMS is acclimated as a analogue for all types of abbreviate argument messaging as able-bodied as the user action itself in abounding locations of the world. SMS is aswell getting acclimated as a anatomy of absolute business accepted as SMS marketing.[1]

SMS as acclimated on avant-garde handsets was originated from radio telegraphy in radio announcement pagers appliance connected buzz protocols and after authentic as allotment of the Global System for Adaptable Communications (GSM) alternation of standards in 1985[2] as a agency of sending letters of up to 160 characters,[3][4] to and from GSM adaptable handsets.[5] Since then, abutment for the account has advertisement to cover added adaptable technologies such as ANSI CDMA networks and Digital AMPS, as able-bodied as digital and landline networks.[citation needed] A lot of SMS letters are mobile-to-mobile argument letters admitting the accepted supports added types of advertisement messaging as well.