An SMS gateway is placed between two SMSCs, acting as a relay between the two
SMSCs. It is able to translate one SMSC protocol to another, and can be used by
two different wirelesscarriers to interconnect their SMSCs.[Adapted from
The SMS
Tutorial]
Short Message Service / SMS Tutorial This SMS tutorial provides information about SMS application development. It begins with an introduction of mobile messaging technologies like SMS, concatenated SMS and EMS.