Siemens M20 Terminal Technical Description page 125

Siemens Information and Communication Products
AT^SNFO Set or query of audio output (= loudspeaker path) parameters
Test command Response
AT^SNFO=? ^SNFO: (list of supported <outBbcGain>), (list of supported <outCalibrate>s), (list of supported
<speechVol>), (list of supported <sideTone>s) OK
Parameter
see set command
Read command Response
AT^SNFO? ^SNFO: <outBbcGain>, <outCalibrate>, <speechVol>, <sideTone>
OK
Parameter
see set command
Set command Response
AT^SNFO=<out- TA sets loudspeaker path parameters
BbcGain> <outCa-
OK.
librate[0]>...
Parameter
<outCalibrate[7]>
<outBbcGain>
<speechVol> <si-
deTone>
<outCalibrate[0]>
<outCalibrate[7]>
<speechVol>
<sideTone>
Reference Note
Set command only works in audio mode 3.
Version 8 dated 15.03.00
Setting for DAC gain amplifier attenuation
(0 ≡ 6 dB, 7 ≡ 15 dB, 8 steps of 3 dB)
0(0x0)-7(0x7)
Multiplication factor for output samples
Attenuation = 20 * log (outCalibrate[n] / 32768)
(0(0x0)- 65535(0xFFFF)
Setting of actual volume;
0(0x0)-7(0x7)
Multiplication factor determining how much of the original
microphone signal is added to the earpiece signal.
Side tone gain/dB = 20 * log (sidetone/32768)
0(00x0)-65535(0xFFFF)
AT command interface
A
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