Siemens MC55 - AT^SM20 Set M20 Compatibility Mode

MC55 AT Command Set
2.14 AT^SM20
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MC55_ATC_V01.05 Page 61 of 469 2/10/04
Confidential / Released
2.14 AT^SM20 Set M20 compatibility mode
Syntax
Command Description
M20 is an earlier, widely used SIEMENS GSM engine. The AT^SM20 command selects different modes of
responses returned upon execution of the commands
ATD and sms commands like e.g. AT+CMGW. Please note
that the
AT^SM20 command has no effect on any other features and is not intended to adjust other differences
between M20 and MC55.
Test Command
AT^SM20=?
Response(s)
OK
Read Command
AT^SM20?
Response(s)
^SM20:<CallMode>, <CmgwMode>
OK
Write Command
AT^SM20=<CallMode>[, <CmgwMode>]
Response(s)
OK
PIN ASC0 ASC1 MUX1 MUX2 MUX3
! % % % % %
Reference(s)
SIEMENS