Yealink SIP-T48G Administrator's Manual page 720

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
configure the delay time for the static jitter buffer on IP phones. An adaptive jitter buffer
is capable of adapting the changes in the network's delay. The range of the delay time
for the dynamic jitter buffer added to packets can be also configured on IP phones.
Procedure
Jitter buffer can be configured using the configuration files or locally.
Configuration File
Local
Details of Configuration 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
700
<y0000000000xx>.cfg
Web User Interface
Parameters
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>/servlet?p
=settings-voice&q=load
Permitted Values
0 or 1
Integer from 0 to 400
Default
1
60