SIM5300E AT Command Manual V1.02
If error is related to ME functionality:
+CME ERROR: <err>
Read Command
AT+CALS?
Response
+CALS: <n>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CALS=<n>[,<mode>]
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameters <n>
0-19 Alert sound type
<mode> if this parameter is set, the module just play the selected alert
without configuring it.
0 stop playing
1 start to play the selected alert sound <n>.
Reference
Note
5.2.35 AT+CMGDA Delete All SMS
AT+CMGDA Delete All SMS
Test Command
AT+CMGDA=?
Response
+CMGDA: (list of supported <type>s)
OK
+CMS ERROR: <err>
Write Command
AT+CMGDA=<type>
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameters
<type>
1) If text mode:
"DEL READ" Delete all read messages
"DEL UNREAD" Delete all unread messages
"DEL SENT" Delete all sent SMS
"DEL UNSENT" Delete all unsent SMS