Administrator's Manual 24. Configuring Volume Levels
Version 2.2.8 159 400HD Series IP Phones
24.2 Configuring Tone Volume
Tone volume can be configured using the Configuration File.
Note: It's strongly advisable not to change the default values.
To configure tone volume using the Configuration File:
• Use the table below as reference.
Table 24-2: Tone Volume Parameter
Parameter Description
Tone Volume
[voip/audio/gain/tone_signal_level]
Call Progress Tone volume. This volume can be modified
on-the-fly by pressing the phone's VOLUME key in certain
scenarios.
The valid range is 1 to 31 (-dB).
The default value is 10 (-10dB).