Specifications

GMT00 @Track Air Interface Protocol
TRACGMT100AN001 – 107 –
3.5. Server Acknowledgement
If server acknowledgement is enabled by AT+GTSRI command, the backend server should reply
to the device whenever it receives a message from the device.
 +SACK:
Example:
+SACK:11F0$
Parameter
Length(byte)
Range/Format
Default
Count Number
4
0000 – FFFF
Tail Character
1
$
$
 <Count Number>: The backend server uses the <Count Number> extracted from the received
message as the <Count Number> in the server acknowledgement.
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