Specifications

Administrator's Manual 23. Volume Levels
23 Volume Levels
The procedures for configuring volume levels are described below.
23.1 Configuring Automatic Gain Control
Automatic Gain Control can be configured using the Web or Configuration File, as
described below.
 To configure the Automatic Gain Control:
 Using the Web:
1. Access the ‘Voice’ page (Configuration tab > Voice Over IP menu > Voice).
Figure 23-1: Auto Gain Control Web Fields
2. Configure the settings according to the parameters in the table below, and then
click Submit.
 Using the Configuration File:
Table 23-1: Automatic Gain Control Parameters
Parameter Description
Enable Automatic Gain Control
[voip/audio/gain/automatic_gain_control/enabled]
Enables the AGC. AGC automatically
adjusts the phone’s voice volume to
compensate for weak or loud signals.
 [0] Disable (default)
 [1] Enable
Automatic Gain Control Direction
[voip/audio/gain/automatic_gain_control/direction]
Determines whether AGC is located
before the encoder input (CTL_LOCAL)
or after the decoder output
(CTL_REMOTE).
 [CTL_REMOTE] For Remote User
(default) - AGC is located after the
Decoder output
 [CTL_LOCAL] For Local User - AGC
is located before the Encoder input
Target Energy
[voip/audio/gain/automatic_gain_control/target_energy]
The required output energy (in dBm) of
the AGC.
The valid range is -31 to 0 (dB). The
default value is -19.
Version 2.0.0 151 October 2012