Siemens M20 Terminal Technical Description page 126

Siemens Information and Communication Products
AT^SNFS Select audio hardware set
Test command Response
AT^SNFS=? ^SNFS: (list of supported <n>s) OK
Parameter
see set command
Read command Response
AT^SNFS? ^SNFS: <n> OK
Parameter
see set command
Set command Response
AT^SNFS=<n> TA activates the selected audio mode.
OK
Parameter
<n>
Reference Note
GSM Engine A1 The command does the same as +VIP. For more details, see relevant section.
AT^SNFV Set or query loudspeaker volume
Test command Response
AT^SNFV=? ^SNFV: (list of supported <vol>s) OK
Parameter
see set command
Read command Response
AT^SNFV? ^SNFV: <vol> OK
Parameter
see set command
Set command Response
AT^SNFV=<vol> TA controls the volume of the loudspeaker.
OK
Parameter
<vol>
Reference Note
AT^SPIC Display PIN counter
Test command Response
AT^SPIC=? OK
Parameter
Execute command Response
AT^SPIC TA returns the number of attempts still available for entering the required password.
Note: command "AT+CPIN?" to check which password is currently required
^SPIC: <counter> OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameter
<counter>
Reference Note
AT^SPLM Read the PLMN list
Version 8 dated 15.03.00
1(0x1)
Audio mode 1: standard mode approved for handset, V38140-H-X33)
3(0x3)
Audio mode3: customer specific mode; all audio parameters can be
adjusted using AT commands
Volume range (0 to 7)
(0 low...7 max. volume; approx. 3 dB/stage)
Number of attempts still available for entering the required password.
AT command interface
A
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