Jitter Buffer Configuration - Yealink SIP-T3 Administrator's Manual

Administrator's Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones

Jitter Buffer Configuration

Jitter Buffer Configuration
You can configure the mode of jitter buffer and the delay time for jitter buffer in the wired network or wireless net-
work.
The following table lists the parameters you can use to configure the jitter buffer.
Parameter voice.jib.adaptive
Description It configures the type of jitter buffer in the wired network.
0-Fixed
Permitted
Values
1-Adaptive
Default 1
Web UI Settings > Voice > Jitter Buffer > Type
Parameter voice.jib.min
It configures the minimum delay time (in milliseconds) of the jitter buffer in the wired network.
Description
Note: It works only if "voice.jib.adaptive" is set to 1 (Adaptive). The value of this parameter should be
less than or equal to that of "voice.jib.normal".
Permitted
Integer from 0 to 400
Values
Default 60
Web UI
Settings > Voice > Jitter Buffer > Min Delay
Parameter voice.jib.max
It configures the maximum delay time (in milliseconds) of the jitter buffer in the wired network.
Description
Note: It works only if "voice.jib.adaptive" is set to 1 (Adaptive). The value of this parameter should be
greater than or equal to that of "voice.jib.normal".
Permitted
Integer from 0 to 400
Values
Default
240
Web UI Settings > Voice > Jitter Buffer > Max Delay
Parameter voice.jib.normal
It configures the normal delay time (in milliseconds) of the jitter buffer in the wired network.
Description
Note: It works only if "voice.jib.adaptive" is set to 0 (Fixed). The value of this parameter should be
greater than or equal to that of "voice.jib.min" and less than or equal to that of "voice.jib.max".
Permitted
Integer from 0 to 400
Values
Default 120
Web UI Settings > Voice > Jitter Buffer > Normal
Parameter voice.jib.wifi.adaptive
Description It configures the type of jitter buffer in the wireless network.
0-Fixed
Permitted
Values
1-Adaptive
203
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