Quectel EC25 Command Manual page 124

Execution Command
AT+CMGL
Maximum Response Time
Reference
3GPP TS 27.005
Parameter
<stat> In text mode:
"REC UNREAD"
"REC READ"
"STO UNSENT"
"STO SENT"
"ALL"
In PDU mode:
0
1
2
3
EC25&EC21_AT_Commands_Manual
For CBM storage:
+CMGL:<index>,<stat>,<sn>,<mid>,<page>,<pages><CR
><LF><data>[<CR><LF>
+CMGL:
<index>,<stat>,<sn>,<mid>,<page>,<pages><CR><LF><d
ata>[...]]
OK
If in PDU mode (AT+CMGF=0) and the command is executed
successfully:
+CMGL:<index>,<stat>,[<alpha>],<length><CR><LF><pd
u><CR><LF>
+CMGL:
<index>,<stat>,[alpha],<length><CR><LF><pdu>[...]]
OK
If there is any error related to ME functionality:
+CMS ERROR: <err>
Response
List all messages with "REC UNREAD" status from message
storage <mem1>, and then the status in the storage changes
to "REC READ".
300ms.
Note: Operation of <stat> depends on the storage of listed
messages.
Received unread messages
Received read messages
Stored unsent messages
Stored sent messages
All messages
Received unread messages
Received read messages
Stored unsent messages
Stored sent messages
LTE Module Series
EC25&EC21 AT Commands Manual
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