Siemens M20 Terminal Technical Description page 105

Siemens Information and Communication Products
AT+CPMS Preferred SMS message storage
Test command Response
AT+CPMS=? +CPMS: (list of supported <mem1>s),(list of supported <mem2>s),(list of supported <mem3>s)
Parameter
see set command
Read command Response
AT+CPMS? +CPMS: <mem1>,<used1>,<total1>,<mem2>,<used2>,<total2>, <mem3>,<used3>,<total3>
OK
If error is related to ME functionality:
+CMS ERROR
Parameter
see set command
Set command Response
AT+CPMS = TA selects memory storages <mem1>, <mem2> and <mem3> to be used for reading, writing, etc.
<mem1>
+CPMS: <used1>,<total1>,<used2>,<total2>,<used3>,<total3> OK
[,<mem2>
If error is related to ME functionality:
[,<mem3>]]
+CMS ERROR:<err>
Parameter
<mem1>
<mem2>
<mem3>
<usedx>
<totalx>
Reference Note
GSM 07.05
AT+CRES Restore SMS settings
Test command Response
AT+CRES=?
+CRES: (list of supported <profile>s) OK
Parameter
Execute command Response
AT+CRES[= TA restores SMS settings for +CSCA, +CSMP from SIM card.
<profile>]
OK
If error is related to ME functionality:
+CMS ERROR:<err>
Parameter
<profile>
Reference Note
GSM 07.05 Only one user profile supported.
Version 8 dated 15.03.00
Messages to be read and deleted from this memory storage
"SM" SIM message storage
Messages will be written and sent to this memory storage
"SM" SIM message storage
Received messages will be placed in this memory storage if routing
to PC is not set ("+CNMI")
"SM" SIM message storage
Number of messages currently in <memx>
Number of messages storable in <memx>
0 manufacturer-specific profile number where setting are to be stored
AT command interface
A
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