Initializing the modem
26.
General information on the AT commands
The commands can be entered in the input interface (modem settings) in the two fields "Modem Initiali-
zation".
The prefix always consists of the letters "AT".
This does not have to be entered in the field.
The command consists of individual characters that are written as described below. It is made up of a
code and, if applicable, any associated values.
Letters can be in uppercase and lowercase. Multiple commands can be combined into a command line.
Example: L1M1\N5
26.1
Analog modem commands
B
Selects the communication standard
ATB0
ATB1
\B
Treatment of the break signal
AT\Bn Send break signal to remote station
n= 0-9 in 100 ms units (AT\B3 standard)
Only possible with a non-error corrected connection
%C
Data compression setting
AT%C0 Data compression inactive
AT%C1 Data compression active
+GCI
Country-specific setting
This command configures the analog modem to the country-specific setting
Example +GCI=B5
CCITT modulation
Bell modulation
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Version: 3.3.5 – DR05 – 23.03.2017