Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 126 12/24/2010
OK
Parameter
See Write Command
Response
+CSNS: <mode>
OK
Read Command
AT+CSNS?
Parameter
See Write Command
Response
OK
ERROR
Write Command
AT+CSNS=<mo
de>
Parameter
<mode>
0 voice
2 fax
4 data
Reference Note
6.2.9 AT+CDSCB Reset Cell Broadcast
AT+CDSCB Reset Cell Broadcast
Execution
Command
AT+CDSCB
Response
OK
Reference Note
Please also refer to AT+CSCB.
6.2.10 AT+CMOD Configure Alternating Mode Calls
AT+CMOD Configure Alternating Mode Calls
Response
+CMOD: (0)
OK
Test Command
AT+CMOD =?
Parameter
See Write Command
Read Command
AT+CMOD?
Response
+CMOD: <mode>