BGS2T AT Command Set
2.14 AT^SM20
BGS2T_ATC_V01.301
Page 63 of 554
1/31/12
c
2.14
AT^SM20 Set M20 compatibility mode
M20 is an earlier, widely used GSM engine. The
command selects different modes of responses
returned upon execution of the commands
and sms commands like e.g.
command has no effect on any other features and is not intended to adjust other differences between
M20 and BGS2T.
Syntax
Parameter Description
Call setup response mode
Applies only to voice calls.
0
Set compatibility to Cinterion Wireless Modules.
ME will return "OK" immediately after attempting a call with the
command.
In case of failure, additional call release indications, such as "NO DIALTONE,
"NO CARRIER", "BUSY" will follow.
1
(&F)
Default call setup mode, compatible to M20.
ME will return "OK" in case of a successful connection, otherwise one of the
call release indications "NO DIALTONE, "NO CARRIER", "BUSY" are indi-
cated.
Response mode for sending and writing short messages
Applies to the sms commands like e.g.
and
command.
0
Set compatibility to Cinterion Wireless Modules.
ME will CMS ERROR:
when writing or sending of short mes-
sages fails.
1
(&F)
Default mode for sending and writing short messages, compatible to M20.
ME will return "OK", no matter whether or not sms command was successfully
executed.
Test Command
AT^SM20=?
Response(s)
OK
Read Command
AT^SM20?
Response(s)
^SM20:
OK
Write Command
AT^SM20=
]
Response(s)
OK
PIN ASC0 MUX1 MUX2 MUX3
Last
-
+
+
+
+
-
-
<CallMode>
(num)
<CmgwMode>
(num)
Confidential / Released