Yealink T46G Administrator's Manual page 309

Procedure
Jitter buffer can be configured using the configuration files or locally.
Configuration File
Local
Details of Configuration Parameters:
Parameters
voice.jib.adaptive
Description:
Configures the type of jitter buffer.
0-Fixed
1-Adaptive
Web User Interface:
Settings->Voice->JITTER BUFFER->Type
Phone User Interface:
None
voice.jib.min
Description:
Configures the minimum delay time (in milliseconds) of jitter buffer.
Note: It works only if the value of the parameter "voice.jib.adaptive" is set to 1 (Adaptive).
Web User Interface:
<y0000000000xx>.cfg
Web User Interface
Permitted Values
0 or 1
Integer from 0 to 400
Configuring Audio Features
Configure the mode of jitter
buffer and the delay time
for jitter buffer.
Parameters:
voice.jib.adaptive
voice.jib.min
voice.jib.max
voice.jib.normal
Configure the mode of jitter
buffer and the delay time
for jitter buffer.
Navigate to:
http://<phoneIPAddress>/s
ervlet?p=settings-voice&q=
load
Default
1
60
295