Westermo GD-01 User Manual
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GSM sequences
As per GSM 02.30, GSM sequences may be controlled using dial commands.These
sequences can contain “*”, “#”, but “;” is forbidden. If the sequence is not supported or
fails, +CME ERROR:
ed, the sequences concerning call forwarding are allowed only if there are written in the
FDN.
Example of using GSM sequences:
Command example
Possible responses
Note
ATD*#21#
+CCFC: 0,7
Check any call forwarding
status, no call forwarding
reported
ATD**61*+33146290800**25#
OK
Register call forwarding
on no reply, with no reply
timer fixed at 25 s, result:
done.
ATD*2#
+CME ERROR 3
Bad sequence
See the enf of the manual for the list of supported sequences.
H – Hang-Up command
Description:
The ATH (or ATH0) command is used by the application to disconnect the remote user.
In the case of multiple calls, all calls are released (active, on-hold and waiting calls).
The ATH1 command disconnects the current outgoing call, only in dialing or alerting
state (ie. ATH1 can be used only after the ATD command, and before its terminal
response (OK, NO CARRIER, ...). It can be useful in the case of multiple calls.
Syntax:
ATH
Command example
Possible responses
Note
ATH
OK
Ask for disconnection,
result: every call, if any, are
released
ATH1
OK
Ask for outgoing call
disconnection,
Result: Outgoing call,
if any, is released
B A C K