Yealink Gigabit Color, User Manual

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Gigabit Color IP Phone Using the Advanced Phone Functions
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2) Set the following parameters shown in the table.
3) Press Confirm button to save the change, or press Cancel button to cancel the
change.
Ring
Users can group your contacts, and then set the ringing tone for each group.
To edit the Ring option via Web interface:
1)
Choose Phone->Ring.
2) Internal Ringer Text: To set group name. For example: family.
3) Internal Ringer File: To choose a special ring tone for the group.
4) Click the Confirm button to save the change.
Parameter Description
Echo canceller Defines whether to enable the echo canceller.
VAD Voice activity detection (VAD), also known as speech activity
detection or speech detection, is a technique used in speech
processing in which the presence or absence of human speech is
detected.
CNG A comfort noise generator (CNG) is a program used to generate
background noise for voice communications during periods of
silence that occur during the course of conversation.
JITTER BUFFER It is a shared data area where voice packets can be collected,
stored, and sent to the voice processor evenly.
Type To choose the type of JITTER BUFFER, adaptive or Fixed.
Delay To set the Min Delay, Max Delay and Normal Delay parameter.