Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 122 12/24/2010
Response
OK
ERROR
Write Command
AT+SIDET=<ch
annel>,<gainleve
l>
Parameters
<channel> 0 main audio handset channel
1 aux audio headset channel
2 main audio handfree channel
3 aux audio handfree channel
<gainlevel> int: 0 – 16
Reference Note
<gainlevel> value is related to channel specific.
6.2.2 AT+CPOWD Power Off
AT+CPOWD Power Off
Response
[NORMAL POWER DOWN]
Write Command
AT+CPOWD=
<n>
Parameter
<n> 0 Power off urgently ( Will not send out NORMAL POWER
DOWN)
1 Normal power off (Will send out NORMAL POWER
DOWN)
Reference Note
6.2.3 AT+SPIC Times Remained to Input SIM PIN/PUK
AT+SPIC Times Remained to Input SIM PIN/PUK
Response
Times remained to input SIM PIN
+SPIC: <pin1>,<pin2>,<puk1>,<puk2>
OK
Execution
Command
AT+SPIC
Parameters
<pin1> Times remained to input chv1
<pin2> Times remained to input chv2
<puk1> Times remained to input puk1
<puk2> Times remained to input puk2
Reference Note