Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 112 12/24/2010
Response
+CRES: (list of supported <profile>s)
OK
Test Command
AT+CRES=?
Parameter
See Write Command
Response
TA restores SMS settings for +CSCA, +CSMP from non-volatile memory
to active memory.
OK
ERROR
Write Command
AT+CRES=<pro
file>
Parameter
<profile> 0 Restore SM service settings from profile 0
1 Restore SM service settings from profile 1
Execution
Command
AT+CRES
Response
Same as AT+CRES=0.
OK
If error is related to ME functionality:
+CMS ERROR <err>
Reference
GSM 07.05
Note
4.2.11 AT+CSAS Save SMS Settings
AT+CSAS Save SMS Settings
Response
+CSAS: (list of supported <profile>s)
OK
Test Command
AT+CSAS=?
Parameter
See Write Command
Response
TA saves SMS settings for +CSCA, +CSMP from non-volatile memory to
active memory.
OK
ERROR
Write Command
AT+CSAS=<prof
ile>
Parameter
<profile> 0 Save SM service setting in profile 0
1 Save SM service setting in profile 1
Execution
Command
AT+CSAS
Response
Same as AT+CSAS=0
OK