SMS Tunnel Receive Mode controls how an SMS tunnel behaves when a incoming messages are received.
SMS Tunnel Receive Mode can function in a number of ways:
Disabled: messages are always discarded.
Always: messages are always accepted.
Modem Emulation: behavior is governed by the ATS0 or Incoming Connection setting.
Authentication Authenticates the SMS
If Enabled Accepts messages from the mobile numbers present in the white list.
If Disabled Accepts messages from any number.
Block SMS may be enabled for debugging purposes.
If Enabled, incoming characters from an inbound message will NOT be forwarded to the Serial Line. Instead, they will be buffered and will eventually flow off inbound messages.
If Disabled (the normal setting), incoming characters from the SMS are sent on into the Serial Line. Any buffered characters are sent first.
The Password can be up to 31 characters in length and must contain only alphanumeric characters and punctuation. When set, XC device receive SMS must contain configured password and data (password is prefix to the data). Device verify the configured password and display SMS data on the serial port.