Specifications
SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 111 12/24/2010
4.2.9 AT+CPMS Preferred SMS Message Storage
AT+CPMS Preferred SMS Message Storage
Response
+CPMS: (list of supported <mem1>s),(list of supported <mem2>s),(list of
supported <mem3>s)
OK
Test Command
AT+CPMS=?
Parameters
See Write Command
Response
+CPMS: <mem1>,<used1>,<total1>,<mem2>,<used2>,<total2>,
<mem3>,<used3>,<total3>
OK
ERROR
Read Command
AT+CPMS?
Parameters
See Write Command
Response
TA selects memory storages <mem1>, <mem2> and <mem3> to be used for
reading, writing, etc.
+CPMS: <used1>,<total1>,<used2>,<total2>,<used3>,<total3>
OK
ERROR
Write Command
AT+CPMS=
<mem1>
[,<mem2>
[,<mem3>]]
Parameters
<mem1> Messages to be read and deleted from this memory storage
"SM" SIM message storage
<mem2> Messages will be written and sent to this memory storage
"SM" SIM message storage
<mem3> Received messages will be placed in this memory storage if
routing to PC is not set ("+CNMI")
"SM" SIM message storage
<usedx> integer type; Number of messages currently in <memx>
<totalx> integer type; Number of messages storable in <memx>
Reference
GSM 07.05
Note
4.2.10 AT+CRES Restore SMS Settings
AT+CRES Restore SMS Settings