Logicbus LBGSMMODEM31, Руководство пользователя

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paragraph 4.3).
5 AT commands for the modem
The table below reminds the main AT commands required for getting started the modem.
For other AT commands available or further information about the AT commands, refer to
document [1].
Description AT commands Modem’s response Comment
OK PIN Code accepted.
+CME ERROR: 16 Incorrect PIN Code
(with +CMEE = 1 mode).
Enter PIN Code AT+CPIN=1234
+CME ERROR: 3 PIN already entered
(with +CMEE = 1 mode).
CREG=<mode>, 1 Modem synchronised on the
network.
CREG=<mode>, 2 Synchronization lost,
resynchronization attempt.
Modem
synchronization
checking
AT+CREG?
CREG=<mode>, 0 Modem not synchronized on
the network, no
synchronization attempt.
Receiving an
incoming call
ATA OK Answer the call.
OK Communication established.
CME ERROR: 11 PIN code not entered (with
+CMEE = 1 mode).
Initiate a call ATD<phone number>;
(Don’t forget the “ ; ” at the
end for « voice » call)
CME ERROR: 3 AOC credit exceeded or a
communication is already
established.
Communication
loss
NO CARRIER
Hang up ATH OK
Store the
parameters in
EEPROM
AT&W OK The configuration settings are
stored in EEPROM.
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