Specifications

Chapter 12 – Short Message Service (SMS) Commands
Multi-Tech Systems, Inc. AT Commands for EDGE (E1) Modems (S000474A) 218
12.4 AT+CMGF Select SMS Message Format
Description: The write command specifies the input and output format of the short messages.
Syntax: Test Command: AT+CMGF=?
Response: +CMGF: (list of supported<mode>s)
OK
Read Command: AT+CMGF?
Response: +CMGF: <mode>
OK
Write Command: AT+CMGF=<mode>
Response: OK
Parameter:
<mode> This parameter can be stored with AT&W and can be displayed with AT&V.
0 PDU mode. Default. This is the factory default value and can be restored to '0' with AT&F. It is
also the defaulted value if the parameter is omitted (0 will be assumed).
1 Text mode
Notes:
• This command is not PIN protected.
• This command is supported in airplane mode.
12.5 AT+CMGL List SMS Messages from Preferred Store
Description: The write command returns messages with status value <stat> from message storage <mem1>
to the TE. If the status of the message is ‘received unread’, the status in the storage changes to
‘received read’.
The execute command is the same as the write command with the given default for <stat>.
Syntax: Test Command: AT+CMGL=?
Response: +CMGL: (list of supported <stat>s)
OK
Exec Command: AT+CMGL
Response: +CMGL: (see write command for default of <stat>)
OK
Write Command: AT+CMGL=<stat>
Response: Output if text mode (AT+CMGF=1) and command successful:
For SMS- SUBMITs and/or SMS-DELIVERs
+CMGL: <index>, <stat>, <oa>/<da>, [<alpha>], [<scts>][, <tooa>/<toda>,
<length>]
data>
[... ]
OK
For SMS-STATUS-REPORTs
+CMGL: <index>, <stat>, <fo>, <mr>, [<ra>], [<tora>], <scts>, <dt>, <st>
[... ]
OK
For SMS-Commands
+CMGL: <index>, <stat>, <fo>, <ct>
[... ]
OK
Output if PDU mode AT+CMGF=0 and command successful:
For SMS-SUBMITs and/or SMS-DELIVERs
+CMGL: <index>, <stat>, [<alpha>], <length>
<pdu>
[... ]
OK
If error is related to ME functionality
ERROR
+CMS ERROR: <err>