Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 89 15.01.2010
Response
+COPN: <numeric1>,<alpha1 >
[<CR><LF>+COPN: <numeric2>,<alpha2>
[…]]
OK
+CME ERROR: <err>
Execution
Command
AT+COPN
Parameters
<numericn> string type(string should be included in quotation marks):
operator in numeric format (see +COPS)
<alphan> string type(string should be included in quotation marks):
operator in long alphanumeric format (see +COPS)
Reference
GSM 07.07 [13]
Note
3.2.47 AT+CFUN Set Phone Functionality.
AT+CFUN Set Phone Functionality.
Response
+CFUN: (list of supported <fun>s), (list of supported <rst>s)
OK
+CME ERROR: <err>
Test Command
AT+CFUN=?
Parameters
See Write Command
Response
+CFUN: <fun>
OK
+CME ERROR: <err>
Read Command
AT+CFUN?
Parameters
See Write Command
Response
OK
+CME ERROR: <err>
Write Command
AT+CFUN=<fun
>，[<rst>]
Parameters
<fun> 0 minimum functionality
1 full functionality (Default)
4 disable phone both transmit and receive RF circuits
<rst> 0 Do not reset the MT before setting it to <fun> power
level
1
Reset the MT before setting it to <fun> power level