LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 120 / 231
If there is any error related to ME functionality:
+CMS ERROR: <err>
Parameter
Example
AT+CPMS? //Query the current SMS message storage
+CPMS: “ME”,0,255,“ME”,0,255,“ME”,0,255
OK
AT+CPMS=“SM”,“SM”,“SM” //Set SMS message storage as “SM”
+CPMS: 0,50,0,50,0,50
OK
AT+CPMS? //Query the current SMS message storage
+CPMS: “SM”,0,50,“SM”,0,50,“SM”,0,50
OK
<mem1> Messages to be read and deleted from this memory storage
“SM” (U)SIM message storage
“ME” Mobile equipment message storage
“MT” Same as “ME” storage
<mem2> Messages will be written and sent to this memory storage
“SM” (U)SIM message storage
“ME” Mobile equipment message storage
“MT” Same as “ME” storage
<mem3> Received messages will be placed in this memory storage if routing to PC is not set
(AT+CNMI)
“SM” (U)SIM message storage
“ME” Mobile equipment message storage
“MT” Same as “ME” storage
<usedx> Integer type. Number of current messages in <memx>
<totalx> Integer type. Total number of messages which can be stored in <memx>
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