Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 150 12/24/2010
ready for phone call.
0 module is not ready for phone call
1 module is ready for phone call
Response
ME returns the status of result code presentation and an integer <n>
which shows whether the module is currently ready for phone call.
+CCALR: <mode>
OK
Read Command
AT+CCALR?
Parameter
<mode>
See Test Command
Reference Note
6.2.45 AT+GSV Display Product Identification Information
AT+GSV Display Product Identification Information
Execution
Command
AT+GSV
Response
TA returns product information text
Example:
SIMCOM_Ltd
SIMCOM_SIM900
Revision: 1137B01V01SIM900M32_ST
OK
Reference Note
6.2.46 AT+SGPIO Control the GPIO
AT+ SGPIO Control the GPIO
Response
+SGPIO: (0-1),(1-12),(0-2),(0-1)
OK
Test Command
AT+SGPIO=?
Parameters
See Write Command
Response
OK
ERROR
Write Command
AT+SGPIO=<ope
ration>,<GPIO>,
<function>,<level
>
Parameters