AudioCodes 420HD - Configuring Handset Volume

400HD Series IP Phones
Administrator's Manual 164 Document #: LTRT-11950
24.5 Configuring Handset Volume
The handset volume can be configured using the Configuration File.
Note: It's strongly advisable not to change the default values.
 To configure handset volume using the Configuration File:
• Use the table below as reference.
Table 24-5: Handset Gain Parameters
Parameter Description
Handset Gain Parameters
Note: Values are in decibels (dB)
[voip/audio/gain/NB/handset_digital_output_gain]
Digital output gain (in dB) – Narrow Band.
Default = 2.
The valid range is (-32) to 31 (dB), where
-32 is mute.
[voip/audio/gain/NB/handset_digital_input_gain]
Digital input gain (in dB) – Narrow Band.
Default = 0.
The valid range is (-32) to 31 (dB), where
-32 is mute.
[voip/audio/gain/WB/handset_digital_input_gain]
Digital input gain (in dB) – Wide Band.
Default = 0.
The valid range is (-32) to 31 (dB), where
-32 is mute.
[voip/audio/gain/WB/handset_digital_output_gain]
Digital output gain (in dB) – Wide Band.
Default = 2.
The valid range is (-32) to 31 (dB), where
-32 is mute.
[voip/audio/gain/NB/handset_analog_output_gain]
Analog output gain (in dB), for Narrow Band.
Valid values:
[0DB] (default), [minus1_5db],
[minus3db], [minus4_5db], [minus6db],
[minus7_5db], [minus9db],
[minus10_5db], [minus12db],
[minus13_5db], [minus15db],
[minus16_5db], [minus18db],
[minus19_5db], [minus21db],
[minus22_5db], [minus24db],
[minus25_5db], [minus27db],
[minus28_5db], [minus30db],
[minus31_5db], [minus33db],
[minus34_5db], [minus36db],
[minus37_5db], [minus39db],
[minus39db], [minus42db], [minus48db],
[minus54db], [MUTE]