© Microhard Systems Inc. 172
5.0 AT Commands
AT+MMGR
Command Syntax
This command allows the application to read stored
messages. The messages are read from the SIM card
memory. It is same as +CMGR, but the +MMGR
command does not change the message status.
AT+MMGR=<index><CR>
Description
Example
Input:
AT+MMGR=<index><enter>
Response:
+MMGR: <stat>,<oa>,,<dt>
<data>
OK
Parameters:
<index> Index in SIM card storage of the message
<stat> Status of Message in Memory (Text Mode)
“REC UNREAD” Received unread messages
“REC READ” Received read messages
<oa> Originator Address
String type
<dt> Discharge Time
String format: "yy/MM/dd,hh:mm:ss±zz" (year [00-99]/ month [01-12]/Day [01-31],
Hour:Min:Second and TimeZone [quarters of an hour])
<data> SMS User Data in Text Mode
String type
AT+CMGL
Command Syntax
This command allows the application to read
stored messages by indicating the type of the
message to read. The messages are read from
the SIM card memory.
AT+CMGL=<status>
Status:
0 - Lists all unread messages
1 - Lists all read messages
4 - Lists all messages
Description
Example
Input:
AT+CMGL=0 <enter>
Response:
+CMGR: "REC READ","+14035555776",,"2012/02/06,10:39:43-07"
This is the SMS message.
OK
The AT&W command
must be issued to save
changes!
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