Chapter 3: AT Commands Reference
December 31, 2007 AT Commands Reference Manual 3-79
In MUX mode, this AT command is allowed on DLC2 only.
Command Type Syntax Response/Action Remarks
Set
+MDSI=<mode> When mode is 1 and
SIM was invalidated or
deactivated: [+MDSI:
<type>, <cause>, <type
text>, <cause text>]
OK
+CME ERROR: <err>
The following is the available mode
values for the Set command.
<mode> = 1 - Defines that unsolicited
+MDSI messages will be sent to the
DTE. If the SIM card was invalidated
or deactivated, the current status will
be sent to the DTE.
<mode> = 0 - No unsolicited message
is sent to the DTE.
Read
+MDSI? +MDSI: <mode>
OK
+CME ERROR: <err>
The Read command queries the current
settings for <mode>
Test
+MDSI=? +MDSI: (list of
supported <mode>s)
OK
+CME ERROR: <err>
The Test command returns the possible
<mode> values.