Multi-Tech Systems CDMA Wireless Modem - Manual (Page 61)

Chapter 8 – Short Messages Commands
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 61
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: <index>: Place of storage in memory.
<stat>: Possible values, the status of messages in memory, are as follows:
Text Mode Possible Values Status of Messages in Memory
“UREAD” received unread messages
“READ” received read messages
“USENT” stored unsent messages
“SENT” stored sent messages
“ALL” all messages
Note: For SMS Status Reports, only “ALL” and “READ” values of the <stat> parameter will
list messages ; other values will only return OK.
<oa/da> : Origination/destination address value in string format.
<fo>:
First Octet, coded like SMS-SUBMIT first octet in document [4], default value is
17 for SMS-SUBMIT
<mr>: Message Reference
<dt>: Discharge Time in string format: “yy/MM/dd,hh :mm :ss±zz” (Year [00-99],
Month [01-12], Day [01-31], Hour, Minute, Second and Time Zone [quarters of
an hour] )
<st>: Status of a SMS-STATUS-REPORT
<lang>: Language
<encod>: Encoding
<length> : Length of the text message (in bytes).
<data>:
Message text
Syntax:
Command syntax: AT+CMGL=<stat>
Response syntax: +CMGL: <index>,<stat>,<da/oa>,<lang>,
<encod>,<length><CR><LF><data> (for SMS-DELIVER and SMS-SUBMIT, may be
followed by other <CR><LF>+CMGL:<index>…)
+CMGL: <index>,<stat>,<fo>,<mr>,<scts>,<dt>,<st> (for SMS-STATUS-REPORT only, may
be followed by other <CR><LF>+CMGL:<index>…)
Command Possible Responses
AT+CMGL=“UREAD”
Note: List unread messages
in text mode +CMGL: 1,”REC UNREAD”,”8585551212”,1,2,15
<CR><LF>Unread message!
+CMGL: 3,”REC UNREAD”, “8585551212”,
1,2,5<CR><LF>Hello
OK
Another message unread!
Note: 2 messages are unread, these messages will then have
their status changed to “REC READ” (+CSDH:0)
AT+CMGL=”READ”
Note: List read messages in
text mode +CMGL: 2,”REC READ”,”8585551212”,1,2,9<CR><LF>
Keep cool
OK
AT+CMGL=”SENT”
Note: List stored and sent
messages in text mode OK
Note: No message found