INSYS GSM 4.3
Functions
Configuration with AT commands
In order to establish a data connection with the
INSYS GSM 4.3, use the command
Replace
<number>
with the phone number of
the remote terminal.
ATD<number>
If the remote terminal accepts the connection,
the INSYS GSM 4.3 indicates
CONNECT
If the remote terminal is busy, the INSYS GSM
4.3 indicates
BUSY
If the remote terminal is no modem, the INSYS
GSM 4.3 indicates after the remote terminal has
picked up
NO CARRIER
An incoming call is indicated with
RING
In order to change to command mode during a
data connection, use the escape sequence
No data must be transmitted for 1 second be-
fore and after that the INSYS GSM 4.3 changes
to command mode.
+++
In order to change from command mode to
normal data transmission again, use the com-
mand
ATO
In order to accept an incoming connection, use
the command
ATA
In order to configure the number of ring tones
after which the INSYS GSM 4.3 answers and
accepts the connection, use the command
Replace
<n>
with the number of ring tones (
<n>
= 2…255,
<n>
= 0 deactivates the function).
ATS0=<n>
In order to terminate a connection and cause the
INSYS GSM 4.3 to hang up, use the command
ATH
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