Westermo GDW-11 - Manual (Page 378)

378 Command execution and dependence to SIM 6615-2220
Interoperability
All the commands listed below are only used for interoperability with other applications.
They have no action and always reply OK.
Command Responses
ATB OK
ATC OK
ATG OK
ATL OK
ATM OK
ATN OK
ATP OK
ATT OK
ATW OK
ATX OK
ATY OK
AT\K OK
AT&E OK
AT&G OK
AT&K OK
AT&P OK
AT&Q OK
AT&R OK
AT&Y OK
AT+GOI OK
AT+GCI OK