INSYS GSM small 2.0
AT Command Reference
12.2.1
AT Commands According to V.250
Command
Description
ATA
Answer mode (manual call acceptance for incoming CSD connection)
The INSYS GSM small 2.0 changes to answer mode. An incoming CSD
connection will be accepted.
AT&C<n>
Configuring the function of the DCD control line
AT&C0
DCD is always ON
AT&C1
DCD indicates presence of carrier signal (default)
ATD<n>
Establishing a connection
Dialling the phone number
<n>
AT&D<n>
Configuring the function of the DTR control line (change ON
OFF)
AT&D0
ignored
AT&D1
Change into command mode, connection held
AT&D2
Change into command mode, connection terminated, no
automatic connection accpetance with DTR off (default)
ATDL
Redialling the last dialled number
ATE<n>
Command input echo
This command toggles the responses, which the modem creates as reac-
tions on PC commands (Echo), ON or OFF.
ATE0
Disabling
echo
ATE1
Enabling
echo (default)
AT&F
Loading factory default settings
The factory default settings are loaded. All factory default settings in this
AT
command list are indicated with "(default)". The timers for possible time-
controlled automatic functions configured with
AT^SCFG
are restarted with this
(also refer to the section Automatic Execution of AT Commands)
The baud rate and data format settings as well as all settings, which are config-
ured by commands of the format
AT^xxx
, are not rest by
AT&F
.
ATH
Terminating a connection
ATI
Identification
AT+ICF?
Querying the data format of the serial interface
If autobauding is enabled (
AT+IPR=0
), the actually detected data format is
not indicated. The data format, which is used if autobauding is disables, is
indicated.
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