Audio Features
159
Note
: The dual headset is not applicable to the Bluetooth headset and USB headset. It is not applicable to CP960 phones.
Topic
Dual Headset Configuration
The following table lists the parameter you can use to configure dual headset.
Parameter features.headset_training
<y0000000000xx>.cfg
Description
It enables or disables the dual headset feature.
Note: It works only if “features.headset_mode.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled, users can use two headsets on one phone. When the IP phone joins a call, the headset
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
Devices
All phones except CP960
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
Acoustic Echo Cancellation (AEC)
Yealink phones employ advanced AEC for hands-free operation. You can configure the AEC feature to remove the
echo of the local loudspeaker from the local microphone without removing the near-end speech.
AEC is not normally required for calls via the handset. In some cases, where echo is experienced by the remote
party, AEC may be used to reduce/avoid echo when you use the handset.
Note
: Utilizing acoustic echo cancellation will introduce a small increase of delay into an audio path which might cause a
lower voice quality.
Topic
Содержание One Talk CP960
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