Yealink T21PE2 - Do Not Disturb (DND); DND Settings Configuration

Call Features
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Web UI Features->General Information->Call Waiting Off Code
Phone UI Menu->Features->Call Waiting->Off Code
Do Not Disturb (DND)
DND feature enables the phone to reject all incoming calls automatically when you do not want to be interrupted. You
can choose to implement DND locally on the phone or on the server-side.
Usually, you can activate DND when the phone is idle. The phone stays in the DND state until you deactivate DND
manually.
You can also temporarily activate DND during calls, the new incoming calls are rejected automatically. After ending the
call, the DND is deactivated automatically. It prevents from interrupting during current calls and avoids missing calls
after calls end.
Topics
DND Settings Configuration
DND Feature Configuration
DND Synchronization for Server-side Configuration
DND Settings Configuration
You can change the following DND settings:
l Enable or disable the DND feature. If disabled, DND soft key is not available, the users have no permission to con-
figure DND on their phone.
l Choose a DND mode. You can configure DND for all lines or specific lines.
l Enable or disable the phone to persist DND state across calls when activating DND during calls. If disabled, the DND
is automatically deactivated after calls end.
l Enable or disable DND emergency feature and specify DND authorized numbers. These numbers will not be DND
when the DND feature is enabled. The incoming call will not be logged in the Missed Calls list.
l Define the return code and the reason of the SIP response message for a rejected incoming call when DND is activ-
ated. The caller’s phone screen displays the received return code.
l Allow or disallow the IP phone to display a large DND icon on the idle screen. It helps users to clearly view that DND
is activated.
The following table lists the parameters you can use to configure the DND settings.
Parameter features.dnd.allow <y0000000000xx>.cfg
Description It enables or disables the DND feature.
Permitted
Values
0-Disabled, DND cannot be activated and users are not allowed to configure DND on the phone.
1-Enabled
Default 1
Parameter features.dnd_mode <y0000000000xx>.cfg
Description
It configures the DND mode for the IP phone.
Note: It works only if “features.dnd.allow” is set to 1 (Enabled). It is not applicable to T19(P) E2/CP920 IP
phones.
Permitted
Values
0-Phone, DND feature is effective for the phone system.