
GT300 @Track Air Interface Protocol
3.2.7. SOS Key Function
The AT+GTSOS command is used to configure the SOS key function.
¾ AT+GTSOS=
Example: AT+GTSOS=gt300,1,1,
+7911888888,0006
— <mode>: The working mode of the SOS key as below
0: Disable this function.
1: Only make the SOS call if SOS key is pressed for 3 seconds.
2: Only send the current position to the backend server if SOS key is pressed for 3
seconds.
3: If SOS key is pressed for 3 seconds, the terminal will make the SOS call first.
After the SOS call, the terminal will send the current position to the backend server.
— <send last position>: If set to 1 and the working mode is 2 or 3, sending the last known GPS
position before making the SOS call or sending the current position. If set to 0, do not send
the last known GPS position.
— < SOS number>: The phone number to call.
The acknowledgment message of the AT+GTSOS command:
¾ +ACK:GTSOS,
Example:
+ACK:GTSOS,135790246811220,0006,20090101000002,11F0,0102070202
3.2.8. Remote Phone Book Control
The AT+GTPHB is used to remotely edit the local phone book in the terminal.
¾ Write operation: AT+GTPHB= Example:
AT+GTPHB=gt300,1,1,0,Alice,+7911888888,0007
AT+GTPHB=gt300,1,1,1,205F094E,+7911888888,0007
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