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GMT00 @Track Air Interface Protocol

TRACGMT100AN001 – 13 –

when report mode is TCP long-connection mode or UDP mode. If set to 0, no heartbeat

package message sending.

 <SACK Enable>: This defines whether the backend server should respond to the terminal

with SACK message when receiving messages from the terminal.

 0: the backend server does not reply SACK message after receiving message from the

terminal.

 1: the backend server replies SACK message when receiving any message from the

terminal.

The acknowledgment message of AT+GTSRI command:

 +ACK:GTSRI,

Example:

+ACK:GTSRI,080100,135790246811220,,0001,20090214093254,11F0$

Parameter

Length(byte)

Range/Format

Default

Protocol Version

XX0000 – XXFFFF,

X∈{'A' – 'Z','0' – '9'}

Unique ID

IMEI

Device Name

<=10

'0' – '9' 'a' – 'z' 'A' – 'Z'

Serial Number

0000 – FFFF

Send Time

YYYYMMDDHHMMSS

Count Number

0000 – FFFF

Tail Character

Note:

Only after both the command AT+GTBSI and AT+GTSRI are properly set, the ACK

messages and other report messages can be sent to the backend server.

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