Multi-Tech Systems GPRS (MTMMC-G) Network Router User Manual


 
Chapter 9 – Short Messages Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 69
List Message +CMGL
Description: This command allows the application to read stored messages, by indicating the type of the message to
read. The messages are read from the memory selected by the +CPMS command.
Values: <stat> possible values (status of messages in memory):
Text mode
possible values
PDU mode
possible values
Status of messages in
memory
“REC UNREAD” 0 received unread messages
“REC READ” 1 received read messages
“STO UNSENT” 2 stored unsent messages
“STO SENT” 3 stored sent messages
“ALL” 4 all messages
Note: For SMS Status Reports, only “ALL” / 4 and “READ” / 1 values of the <stat> parameter
will list messages; other values will only return OK.
Syntax:
Command syntax: AT+CMGL=<stat>
Response syntax for text mode:
+CMGL: <index>,<stat>,<da/oa>[,<alpha>], [<scts>, <tooa/toda>, <length>] <CR><LF><data> (for
SMS-DELIVER and SMS-SUBMIT. May be followed by other <CR><LF>+CMGL:<index>…)
+CMGL: <index>,<stat>,<fo>,<mr>,[<ra>],[<tora>],<scts>,<dt>,<st> (for SMS-STATUS-REPORT
only. May be followed by other <CR><LF>+CMGL:<index>…)
Response syntax for PDU mode:
+CMGL: <index>,<stat>, [<alpha>], <length> <CR><LF> <pdu> (for SMS-DELIVER, SMS-SUBMIT
and SMS-STATUS-REPORT. May be followed by other <CR><LF>+CMGL:<index>…)
Command Possible responses
AT+CMGL=“REC UNREAD”
Note: List unread messages in text
mode
+CMGL: 1,”REC UNREAD”,”0146290800”,
<CR><LF> I will be late
+CMGL: 3,”REC UNREAD”, “46290800”,
<CR><LF>See you tonight!
OK
Note: 2 messages are unread, these messages will then
have their status changed to “REC READ”
AT+CMGL=”REC READ”
Note: List read messages in text
mode
+CMGL: 2,”REC READ”,”0146290800”,<CR><LF>
Keep cool
OK
AT+CMGL=”STO SENT”
Note: List stored and sent messages
in text mode
OK
Note: No message found
AT+CMGL=1
Note: List read messages in PDU
mode
+CMGL: 1,1,,26
<CR><LF>
07913366003000F3040B913366920547F400130011904125
30400741AA8E5A9C5201
OK