AT Command Reference
INSYS GSM small 2.0
Command
Description
AT+CMGS=<no>
<CR><text>
<Ctrl-Z>
Sending an SMS message
<no>
Phone
number
<CR>
Enter/carriage return key
<text>
Text of the SMS message
<Ctrl-Z>
Press CTRL and Z (1Ah)
The phone number entry is completed with
<CR>
, the actual text with
<Ctrl-Z>
.
AT+CSCA?
Querying the number of the SMS Service Center
AT+CSCA=<no>
Configuring the number of the SMS Service Center
<no>
Number in international 49…
AT^SMGL
Listing SMS messages from preferred memory (without changing the state)
AT^SMGO?
Querying the SMS overflow presentation mode
Response:
^SMGO: <n>,<mode>
AT^SMGO=<n>
Configuring the SMS overflow presentation mode
<n>
0
Disabled
(default)
1
Enabled – change of
<mode>
is displayed
<mode>
0
Memory location available
1
SMS buffer full
2
SMS buffer full, message is waiting
AT^SMGR=<n>
Reading SMS message <n> (without changing the state)
12.2.4
AT Commands for GPRS Connections
Command
Description
AT+CGATT?
Displaying the GPRS registration state (attach and detach)
AT+CGATT=<state
>
GPRS registration state (attach and detach)
<state>
0
detached (not registered) (default)
1
attached
AT+CGACT?
PDP context state (enabled or disabled)
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