Voice Activity Detection - Yealink SIP-T4X Administrator's Manual
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- Administrator's manual (587 pages) ,
- Administration manual (466 pages) ,
- Provisioning manual (148 pages)
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Administrator's Guide for SIP-T4X IP Phones
Voice Activity Detection (VAD) is used in speech processing to detect the presence or
absence of human speech. When detecting period of ―silence‖, VAD replaces that
silence efficiently with special packets that indicate silence is occurring. It can facilitate
speech processing, and deactivate some processes during non-speech section of an
audio session. VAD can avoid unnecessary coding or transmission of silence packets in
VoIP applications, saving on computation and network bandwidth.
Procedure
VAD can be configured using the configuration files or locally.
Configuration File
Local
To configure VAD via web user interface:
1.
Click on Settings->Voice.
2.
Select the desired value from the pull-down list of VAD.
3.
Click Confirm to accept the change.
204
<y0000000000xx>.cfg
Web User Interface
Configure VAD.
For more information, refer to
Voice Activity Detection
page 370.
Configure VAD.
Navigate to:
http://<phoneIPAddress>/servl
et?p=settings-voice&q=load
on
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