MTD2000 AT Command Guide R12
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9
SMS Command
9.1 SMS/Call Number List – $SL
This command allows user to store maximum 10 SMS / Call numbers in the device. The
device will receive commands or send data only via the programmed SMS numbers.
Similarly, the device will initiate call or accept incoming call only via the programmed
call numbers.
Syntax
Command
Response
AT$SL=<Index>,<SMS Number>
Note: Write setting.
OK
AT$SL=<Index>
Note: Query one setting.
OK
$SL: <Index>,<SMS Number>
AT$SL?
Note: Query all settings (not accessible via SMS).
OK
$SL: 1, <SMS Number>
…
$SL: 10, <SMS Number>
Parameters
Index
SMS number 1 to 10
SMS Number
Phone number of up to 20 digits (including ‘+’ sign), default
is blank.
Example
Command
Response
AT$SL=1,”91234567”
Note: Store a SMS number.
OK
AT$SL=1
Note: Query a SMS number.
OK
$SL: 1,”91234567”
AT$SL?
Note: Query all SMS numbers.
OK
$SL: 1,”91234567”
$SL: 2,””
…
$SL: 10,””