SMS Terminology

  • SMS - Short Message Service i.e. text messages
  • SMSC - Short Message Service Centre The system responsible for storing and forwarding messages
  • MO - Mobile Originated A message on its way from a mobile or landline device to the SMSC
  • MT - Mobile Terminated A message on its way from the SMSC to the mobile or landline device
  • RX - Receive A message coming in to the Asterisk box
  • TX - Transmit A message going out of the Asterisk box