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SMS over GPRS

SMS over GPRS means that all standard SMS commands text can be sent to device via GPRS in Codec12 format.

If you are not able to receive/send SMS commands (e.g. SMS's are disabled for your SIM card), you can use GPRS commands. GPRS commands use Codec12 and require a direct connection with a server.

references:

...

  • lvcangetinfo
    00000000000000160C01050000000e6c7663616e676574696e666f0d0a010000312d - - - - - - - - - - - - - - -
  • setdigout: activate (high) Digital Output 1 (DOUT1) for 60 seconds
    00000000000000160C01050000000E7365746469676F75742031203630010000B33E
  • setdigout: deactivate (low) Digital Output 1 (DOUT1) for 60 seconds
    00000000000000160C01050000000E7365746469676F757420302036300100007303
  • set DOUT1 to High for infinite time
    00000000000000140C01050000000C7365746469676F757420313F010000DED1

SMS over USB

If you cannot send GPRS commands (due to: SIM plan, Codec12, direct server connection, ...) to a target device, you may try connecting the target device to a PC via USB to save logs of the device. While log is being recorded, you should send command
@sms_run:lvcangetinfo

This will print out the information on the CAN adapter in terminal. If possible, itereate the command several times while logging, to make sure that an answer is received. The log is now ready to be analyzed.