Yealink SIP-T21 E2 Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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DND Large Icon
This feature allows the IP phones to display a large DND icon on the idle screen. It helps users
to clearly view DND is activated.
Procedure
DND can be configured using the following methods.
Central Provisioning
(Configuration File)
<MAC>.cfg
Configure DND in the custom mode.
Parameters:
account.X.dnd.enable
account.X.dnd.on_code
account.X.dnd.off_code
<y0000000000xx>.cfg
Configure the DND feature.
Parameter:
features.dnd.allow
Configure the DND mode.
Parameter:
features.dnd_mode
Configure DND in the phone mode.
Parameters:
features.dnd.enable
features.dnd.on_code
features.dnd.off_code
Specify the authorized numbers when
DND is activated.
Parameters:
features.dnd.emergency_enable
features.dnd.emergency_authorized_n
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Yealink SIP-T21 E2 Specifications

General

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