SimCom SIM7500 Series At Command Manual page 157

Execution Command
AT+CPMS
Defined values
<mem1>
String type, memory from which messages are read and deleted (commands List Messages
AT+CMGL, Read Message
"ME" and "MT"
"SM"
"SR"
<mem2>
String type, memory to which writing and sending operations are made (commands Send Message
from Storage AT+CMSS
"ME" and "MT"
"SM"
"SR"
<mem3>
String type, memory to which received SMS is preferred to be stored (unless forwarded directly to
TE; refer command New Message Indications AT+CNMI).
"ME"
"SM"
<usedX>
Integer type, number of messages currently in <memX>.
<totalX>
Integer type, total number of message locations in <memX>.
Examples
AT+CPMS=?
+CPMS: ("ME","MT","SM","SR"),("ME","MT","SM","SR"),("ME","SM")
OK
AT+CPMS?
+CPMS:"ME", 0, 23,"ME", 0, 23,"ME", 0, 23
OK
AT+CPMS="SM","SM","SM"
+CPMS:3,50,3,50,3,50
SIM7500_SIM7600 Series_AT Command Manual_V1.07
ERROR
<err>
+CMS ERROR:
Responses
Set default
<mem3>="SM"):
+CPMS: <used1>,<total1>,<used2>,<total2>,<used3>,<total3>
OK
ERROR
AT+CMGR and Delete Message AT+CMGD).
FLASH message storage
SIM message storage
Status report storage （not used in CDMA/EVDO mode）
and Write Message to Memory AT+CMGW).
FLASH message storage
SIM message storage
Status report storage （not used in CDMA/EVDO mode）
FLASH message storage
SIM message storage
Smart Machine Smart Decision
value (<mem1>="SM",
156
<mem2>="SM",
2017-12-25