Audio Features
178
Topic
Smart Noise Block Configuration
Smart Noise Block Configuration
The following table lists the parameter you can use to configure smart noise block.
Parameter
voice.ans_nb.enable <y0000000000xx>.cfg
Description
It enables or disables the Smart Noise Block feature.
Note: It works only if “voice.tns.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
CP920
Web UI
Settings > Voice > Noise Proof > Smart Noise Block
Acoustic Shield
The acoustic shield feature is designed for background noise suppression when you are using the phone handset
or a connected headset.
It is particularly used in the open office environment, such as the call center, where background noise can impact
far-end audio quality.
It is only applicable to T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U phones.
Topic
Acoustic Shield Configuration
Acoustic Shield Configuration
The following table lists the parameter you can use to configure the acoustic shield.
Parameter
features.acoustic_shield.mode <y0000000000xx>.cfg
Description
It enables or disables the acoustic shield feature during the call.
Permitted
Values
0-Disabled
1-Enabled, you need to manually enable acoustic shield by pressing the Acous.S On soft key during
the call.
2-Auto, the acoustic shield is automatically enabled when the call is set up. You can press the
Acous.S Off soft key during the call to disable it.
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U
Web UI
Settings > Voice > Acoustic Shield > Acoustic Shield Mode
Parameter
features.acoustic_shield.level <y0000000000xx>.cfg
Description
It configures the noise suppression level for handsets and headsets.
The higher value represents the better noise suppression effect.
If it is set to 3, the phone automatically shields the noise out of 20 centimeters (7.9 inches) when you
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