Yealink T21PE2 User Manual

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Description
It configures the minimum delay time (in milliseconds) of jitter buffer in the wireless network.
Note: It works only if “voice.jib.wifi.adaptive” is set to 1 (Adaptive). The value of the minimum delay time
should be less than or equal to that of the normal delay time (configured by the parameter
“voice.jib.wifi.normal”). The value of this parameter should be less than “voice.jib.wifi.normal” and
“voice.jib.wifi.max”. It is only applicable to
T54S/T52S/T48S/T48G/T46S/T46G/T42S/T41S/T29G/T27G/CP920 IP phones.
Permitted
Values
Integer from 0 to 500
Default 60
Parameter voice.jib.wifi.max <y0000000000xx>.cfg
Description
It configures the maximum delay time (in milliseconds) of jitter buffer in the wireless network.
Note: It works only if “voice.jib.wifi.adaptive” is set to 1 (Adaptive). The value of this parameter should be
greater than “voice.jib.wifi.normal” and “voice.jib.wifi.min”. It is only applicable to
T54S/T52S/T48S/T48G/T46S/T46G/T42S/T41S/T29G/T27G/CP920 IP phones.
Permitted
Values
Integer from 0 to 500
Default 500
Parameter voice.jib.wifi.normal <y0000000000xx>.cfg
Description
It configures the normal delay time (in milliseconds) of jitter buffer in the wireless network.
Note: It works only if “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”). The value of this parameter should be greater than “voice.jib.wifi.min” and less than
“voice.jib.wifi.min”. It is only applicable to T54S/T52S/T48S/T48G/T46S/T46G/T42S/T41S/T29G/T27G/CP920
IP phones.
Permitted
Values
Integer from 0 to 500
Default 240
Smart Noise Block
You can use the Smart Noise Block feature to block out the noises when there is no speech in a call.
It is only applicable to CP920 IP phones.
Topic
Smart Noise Block Configuration
Smart Noise Block Configuration
The following table lists the parameter you can use to configure smart noise block.
Parameter voice.ans_nb.enable <y0000000000xx>.cfg
Description
It enables or disables the Smart Noise Block feature on the IP phones.
Note: It works only if “voice.tns.enable” is set to 1 (Enabled). It is only applicable to CP920 IP phones.
Permitted
Values
0-Disabled
1-Enabled

Yealink T21PE2 Specifications

General

Brand	Yealink
Model	T21PE2
Category	IP Phone
Language	English