Data Sheet

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 186 2015-08-03
 White list phone numbers are suitable to call and SMS function.
6.2.53 AT+CSDT Switch on or off Detecting SIM Card
AT+CSDT Switch on or off Detecting SIM Card
Response
+CSDT: (0-1)
OK
Test Command
AT+CSDT=?
Parameters
See Write Command
Response
+CSDT: <mode>
OK
Read Command
AT+CSDT?
Parameters
See Write Command
Response
OK
ERROR
Write Command
AT+CSDT=<mo
de>
Parameters
<mode>
0 Switch off detecting SIM card
1 Switch on detecting SIM card
Parameter Saving
Mode
AT&W_SAVE
Max Response
Time
-
Reference Note
 User should select 8-pin SIM card holder to implement SIM card
detection function.
 After plug out simcard, User should wait 2 seconds before plug in SIM
card.
6.2.54 AT+CSMINS SIM Inserted Status Reporting
AT+CSMINS SIM Inserted Status Reporting
Response
+CSMINS: (list of supported <n>s)
OK
Test Command
AT+CSMINS=?
Parameter