Dual Headset; Dual Headset Configuration; Acoustic Clarity Technology - Yealink SIP-T3 Administrator's Manual

Values 1-Enabled
Default
0
Supported
All phones except CP920/CP925/CP935W
Devices

Dual Headset

The dual headset allows you to use two headsets on one IP phone. To use this feature, you need to physically con-
nect two headsets to the headset and handset jacks respectively. Once the IP phone connects to a call, the headset
connected to the headset jack has the full-duplex capability, with the headset connected to the handset jack is only
used for listening.
Note : The dual headset is not applicable to the Bluetooth headset and USB headset. It is not applicable to
CP920/CP925/CP935W phones.
Topic

Dual Headset Configuration

Dual Headset Configuration
The following table lists the parameter you can use to configure dual headset.
Parameter features.headset_training
It enables or disables the dual headset feature.
Description
Note: It works only if "features.headset_mode.enable" is set to 1 (Enabled).
0-Disabled
Permitted
1-Enabled, users can use two headsets on one phone. When the IP phone joins a call, the headset
Values
connected to the headset jack has the full-duplex capability, with the headset connected to the hand-
set jack is only used for listening.
Default
0
Supported
All phones except CP920/CP925/CP935W
Devices
Web UI Features > General Information > Dual Headset

Acoustic Clarity Technology

To optimize the audio quality in your network, Yealink phones support the acoustic clarity technology: Acoustic
Echo Cancellation (AEC), Background Noise Suppression (BNS), Automatic Gain Control (AGC), Voice Activity
Detection (VAD), Comfort Noise Generation (CNG) and jitter buffer.
Topics
Acoustic Echo Cancellation (AEC)
Noise Suppression
Background Noise Suppression (BNS)
Automatic Gain Control (AGC)
Voice Activity Detection (VAD)
Comfort Noise Generation (CNG)
Jitter Buffer
Smart Noise Block
Acoustic Shield
Smart Noise Filtering
<y0000000000xx>.cfg
Audio Features
200