Yealink SIP-T21 E2 Administrator's Guide

Configuring Audio Features
887
Parameters
Permitted Values
Default
network.
Note: It works only if the value of the parameter “voice.jib.wifi.adaptive” is set to 1
(Adaptive). It is only applicable to SIP-
T54S/T52S/T48G/T48S/T46G/T46S/T42S/T41S/T29G/T27G/CP920 IP phones.
Web User Interface:
None
Phone User Interface:
None
voice.jib.wifi.normal
Integer from 0 to 500
240
Description:
Configures the normal delay time (in milliseconds) of jitter buffer in the wireless network.
Note: It works only if the value of the parameter “voice.jib.wifi.adaptive” is set to 0 (Fixed).
The value of the normal delay time should be less than or equal to that of the maximum
delay time (configured by the parameter “voice.jib.wifi.max”). It is only applicable to SIP-
T54S/T52S/T48G/T48S/T46G/T46S/T42S/T41S/T29G/T27G/CP920 IP phones.
Web User Interface:
None
Phone User Interface:
None
To configure Jitter Buffer in the wired network via web user interface:
1. Click on Settings->Voice.
2. Mark the desired radio box in the Type field.
3. Enter the minimum delay time for adaptive jitter buffer in the Min Delay field.
The valid value ranges from 20 to 300.
4. Enter the maximum delay time for adaptive jitter buffer in the Max Delay field.
The valid value ranges from 20 to 300.
5. Enter the fixed delay time for fixed jitter buffer in the Normal field.

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English