Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 165 2012.12.10
Response
+CEXTERNTONE: (0,1)
OK
Test Command
AT+CEXTERN
TONE=?
Parameter
See Write Command
Response
+CEXTERNTONE: <mode>
OK
Read Command
AT+CEXTERN
TONE?
Parameter
See Write Command
Response
OK
ERROR
Write Command
AT+CEXTERNT
ONE=<mode>
Parameter
<mode>
0 re-open the microphone
1 close the microphone
Reference
Note
6.2.57 AT+CNETLIGHT Close the Net Light or Open It to Shining
AT+CNETLIGHT Close the Net Light or Open It to Shining
Response
OK
ERROR
Write Command
AT+CNETLIGH
T=<mode>
Parameter
<mode>
0 close the net light
1 open the net light to shining
Reference
Note
6.2.58 AT+CWHITELIST Set the White List
AT+CWHITELIST Set the White List