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GMT00 @Track Air Interface Protocol

TRACGMT100AN001 – 9 –

3.2. Command And Acknowledgement

3.2.1. Bearer Setting Information

The command AT+GTBSI is used to configure the GPRS parameters.

 AT+GTBSI=

Example:

AT+GTBSI=gmt100,cmnet,,,,,,,0000$

Parameter

Length(byte)

Range/Format

Default

Password

4 – 6

'0' – '9' 'a' – 'z' 'A' – 'Z'

gmt100

APN

<=40

APN User Name

<=30

APN Password

<=30

Reserved

Serial Number

0000 – FFFF

Tail Character

 <Password>: The valid character of password is „0‟–9‟, „a‟ –„z‟, „A‟ –„Z‟. The default value

is “gmt100”.

 <APN>: Access point name (APN).

 <APN User Name>: the GPRS APN user name. If the parameter field is empty, the current

value of this parameter will be cleared.

 <APN Password>: the GPRS APN password. If the parameter field is empty, the current

value of this parameter will be cleared.

 <Reserved>: Not used at present. Please keep empty.

 <Serial Number>: the serial number for the command. It will be invoked in the ACK message

of the command.

 <Tail Character>: a character to indicate the end of the command. And it must be “$”.

The acknowledgment message of AT+GTBSI command:

 +ACK:GTBSI,

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