Administrator's Manual 24. Configuring Volume Levels
Version 2.2.8 167 400HD Series IP Phones
Parameter Description
[voip/audio/gain/NB/headset_analog_input_gain]
Analog input gain (in dB).
Valid values: [PLUS31_5DB](default),
[plus1_5db], [plus3db], [plus4_5db],
[plus6db], [plus7_5db], [plus9db],
[plus10_5db], [plus12db], [plus13_5db],
[plus15db], [plus16_5db], [plus18db],
[plus19_5db], [plus21db], [plus22_5db],
[plus24db], [plus25_5db], [plus27db],
[plus28_5db], [plus30db], [plus31_5db],
[plus33db], [plus34_5db], [plus36db],
[plus37_5db], [plus39db], [plus40_5db],
[plus42db], [plus48db], [plus54db], [MUTE]
[voip/audio/gain/WB/headset_analog_input_gain]
Analog input gain (in dB).
Valid values: [0db], [plus1_5db], [plus3db],
[plus4_5db], [plus6db], [plus7_5db],
[plus9db], [plus10_5db], [plus12db],
[plus13_5db], [plus15db], [plus16_5db],
[plus18db], [PLUS31_5DB](default),
[plus21db], [plus22_5db], [plus24db],
[plus25_5db], [plus27db], [plus28_5db],
[plus30db], [plus31_5db], [plus33db],
[plus34_5db], [plus36db], [plus37_5db],
[plus39db], [plus40_5db], [plus42db],
[plus48db], [plus54db], [MUTE]
[voip/audio/gain/headset_analog_sidetone_gain]
Analog side tone gain (in db).
Valid values: [minus9db],
[MINUS12DB](default), [minus15db],
[minus18db], [minus21db], [minus24db],
[minus27db], [MUTE]