Siemens M20 Terminal Technical Description page 118

Siemens Information and Communication Products
AT^SMGL List SMS messages from preferred storage without changing status to read
Test command Response
AT^SMGL=? see set command
Parameter
see command
Execute command Response
AT^SMGL Ta returns messages with status value <stat> from message storage <mem1> to the TE.
[=<stat>]
The status of the messages is unchanged (unread remains unread).
Otherwise: see command
Parameter
see command
Reference Note
GSM Engine A1,
GSM 07.05
AT^SMGO Set or query SMS overflow presentation mode or query SMS overflow
Test command Response
AT^SMGO=? ^SMGO: (list of supported <n>s) OK
Parameter
see set command
Read command Response
AT^SMGO? TA returns overflow presentation mode and SMS overflow status
^SMGO: <n>,<mode> OK
Parameter
see set command
Set command Response
AT^SMGO=<n> TA sets overflow presentation mode
OK
Parameter
<n>
<mode>
Unsolicited result code
When the status SIM overflow changes, an unsolicited result code is sent to TE
^SMGO: <mode>
Parameter
see set command
Reference Note
Siemens
Version 8 dated 15.03.00
"AT+CMGL List SMS messages from preferred store"
"AT+CMGL List SMS messages from preferred store"
"AT+CMGL List SMS messages from preferred store"
"AT+CMGL List SMS messages from preferred store"
SMS overflow presentation mode
0 disable (default)
1 enable
SMS overflow status
0 space available
1 SMS buffer full (chip card)
2 Buffer full and new message waiting in SC for delivery to phone
AT command interface
A
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