Specifications

310HD, 320HD and 420HD IP Phones
23.5 Configuring Handset Volume
The handset volume can be configured using the Web or Configuration File, as described
below.
 To configure handset volume:
 Using the Web:
1. Access the ‘Volume Setting page (Configuration tab > Voice Over IP menu >
Volume Settings).
Figure 23-6: Handset Volume Settings Page
2. Configure the handset volume settings according to the parameters in the table
below, and then click Submit.
 Using the Configuration File:
Table 23-14: Handset Gain Parameters
Parameter Description
Handset Gain Parameters
Note: Values are in decibels (dB) and represented as follows:
 Negative values: use the word "minus" (e.g. =minus9db).
 Positive values: use the word "plus" (e.g. =plus9db).
 Decimal places: use underscore instead of period (e.g. plus19_5db).
Handset Digital Output
[voip/audio/gain/handset_digital_output_gain]
Digital output gain (in dB).
The valid range is (-32) to 31 (dB), where -
32 is mute.
Handset Digital Input
[voip/audio/gain/handset_digital_input_gain]
Digital input gain (in dB).
The valid range is (-32) to 31 (dB), where -
32 is mute.
Administrator's Manual 156 Document #: LTRT-09910