Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 124 15.01.2010
AT+AUTEST AUDIO CHANNEL LOOPBACK TEST
AT+CCODE CONFIGURE SMS CODE MODE
AT+CIURC ENABLE OR DISABLE INITIAL URC PRESENTATION
AT+CPSPWD CHANGE PS SUPER PASSWORD
AT+EXUNSOL ENABLE/DISABLE PROPRIETARY UNSOLICITED INDICATIONS
AT+CGMSCLASS CHANGE GPRS MULTISLOT CLASS
AT+CDEVICE VIEW CURRENT FLASH DEVICE TYPE
AT+CCALR CALL READY QUERY
AT+ GS V DISPLAY PRODUCT IDENTIFICATION INFORMATION
6.2 Detailed Descriptions of Commands
6.2.1 AT+SIDET Change The Side Tone Gain Level
AT+SIDET Change The Side Tone Gain Level
Response:
+SIDET: <gainlevel>,<gainlevel>
OK
Read Command
AT+SIDET?
Parameter
See Write Command
Response
+SIDET: (list of supported <channel>s),(list of supported < gainlevel>s)
OK
Test Command
AT+SIDET=?
Parameter
See Write Command
Response
OK
ERROR
Write Command
AT+SIDET=<
channel>,<
gainlevel >
Parameter
< channel > 0 normal channel
1 aux channel
< gainlevel > int: 0 – 16
Reference Note
z <gainlevel> value is related to channel specific.
6.2.2 AT+CPOWD Power Off
AT+CPOWD Power Off