Specifications

AT Command Set
TC35-ATC-01-V02.10 Page 121/145 02.10 / 23.05.2001
6.16 AT^SMSO Switch off mobile station
Test command
AT^SMSO=?
Response
OK
Execute command
AT^SMSO
Response
^SMSO: MS OFF OK
Device will be switched off (power down mode)
Reference
Siemens
Note
Don’t send any command after this command
6.17 AT^SMGR Read SMS message without set to REC READ
Test command
AT^SMGR=?
Response
OK
Execute command
AT^SMGR=
<index>
Parameter
See AT+CMGR
Reference
GSM 07.05
Note
The AT^SMGR command is a specific Siemens command with the same syntax
as “AT+CMGR Read SMS message”. The only difference is that the SMS
Message, which has REC_UNREAD status, is not overwritten to REC_READ.
6.18 AT^SM20 Set M20 Compatibility
Test command
AT^SM20=?
Response
OK
Read command
AT^SM20?
Response
^SM20: <n> OK
Parameters
See write command
Write command
AT^SM20=<n>
Response
TA switch the compatibility to other GSM modules
OK
Parameters
<n> 0 Compatible to X35 Mobile Phones
1 Compatible to M20
Reference
Siemens
Note
There is a difference during call establishing (e.g. ATD):
If x35 selected, the TC35 will respond always OK after attempting a call. If M20 is selected, the TC35
will respond OK only in case of a successfull connection.