EG_GenPro400e_1103_UG_001_UK
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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCOGENER reserves the right to make any modifications.
Dct_427_02
5.13 Main AT (HAYES) commands
The table below recalls the main AT commands needed to get started with the modem.
Other AT commands are available, refer to the document "u-blox-CEL_ATCommands_xxx(UBX-yyyyyyyy)".
Table 33 :
Main AT commands used with the modem
Description
AT Command
Response
Interpretation
Enter the PIN code
AT+CPIN="xxxx"
OK
Code PIN accepted
(xxxx = code PIN) +CME ERROR: 16
Incorrect code PIN (1*)
+CME ERROR: 3
Code PIN already entered (1*)
Verification of
registration on the
GSM network
AT+CREG?
+CREG: 0,1
The modem is attached in GSM to the
local operator.
+CREG: 0,5
The modem is attached in GSM to the
roaming operator.
+CREG: 0,2
The modem is searching for a network
operator.
+CREG: 0,0 ou 0,3
The modem is not recognized by the
network.
Verification of
registration on the
GPRS network
AT+CGREG?
+CGREG: 0,1
The modem is attached in GPRS to the
local operator.
+CGREG: 0,5
The modem is attached in GPRS to the
roaming operator.
+CGREG: 0,2
The modem is searching for a GPRS
network operator.
+CGREG: 0,0 ou 0,3
The modem is not recognized by the
GPRS network.
Verification of
registration on the
LTE network
AT+CEREG?
+CEREG: 0,1
The modem is attached in LTE to the
local operator.
+CEREG: 0,5
The modem is attached in LTE to the
roaming operator.
+CEREG: 0,2
The modem is searching for a LTE
network operator.
+CEREG: 0,0 ou 0,3
The modem is not recognized by the LTE
network.
Receiving an
incoming call (2 *)
ATA
OK
Answer the call
Lost communication
ATD<phone
number> ;
OK
Established communication
+CME ERROR: 11
PIN code not entered
+CME ERROR: 3
The credit is exhausted or a
communication is already established.
Lost communication
NO CARRIER
Hang up
ATH
OK
(1*) with
+CMEE=1
. The command
AT+CMEE=1
allows the display of the extended error codes, it is
possible to save it by the command
AT&W
.
(2*) with
+CRC=1
. The command
AT+CRC=1
allows during an incoming call an extended message
indicating the type of called channel. This message corresponds to the type of number called: data, it is
possible to save it by the command
AT&W
.