Yealink T5 Series

Audio Features
289
Noise Suppression
The impact noise in the room is picked-up, including paper rustling, coffee mugs, coughing, typing, and silverware
striking plates. These noises, when transmitted to remote participants, can be very distracting.
You can enable the Noise Suppression feature to suppress these noises.
Topic
Noise Suppression Configuration
Noise Suppression Configuration
The following table lists the parameter you can use to configure noise suppression.
Parameter voice.tns.enable <y0000000000xx>.cfg
Description It enables or disables the Noise Suppression feature.
Permitted
Values
0-Disabled
1-Enabled
Default 1
Web UI Settings->Voice->Noise Proof->Noise Suppression
Automatic Gain Control (AGC)
Automatic Gain Control (AGC) is applicable to the hands-free operation and is used to keep audio output at nearly a
constant level by adjusting the gain of signals in some circumstances. This increases the effective user-phone radius
and helps with the intelligibility of soft-talkers.
Voice Activity Detection (VAD)
VAD can avoid unnecessary coding or transmission of silence packets in VoIP applications, saving on computation and
network bandwidth.
Topic
VAD Configuration
VAD Configuration
The following table lists the parameter you can use to configure VAD.
Parameter voice.vad <y0000000000xx>.cfg
Description It enables or disables the VAD (Voice Activity Detection) feature.
Permitted
Values
0-Disabled
1-Enabled
Default 0
Web UI Settings->Voice->Echo Cancellation->VAD
Comfort Noise Generation (CNG)
Comfort Noise Generation (CNG) is used to generate background noise for voice communications during periods of
silence in a conversation.