Call Features
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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
configure 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
activated. 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).
Permitted
Values
0-Phone, DND feature is effective for the phone system.
1-Custom, you can configure the DND feature for each or all accounts.
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Features > Forward&DND > DND > Mode
Parameter
features.keep_dnd.enable <y0000000000xx>.cfg
Description
It configures if the DND state persists between calls after you activate DND during the call.
Note: To activate DND during the call, you need to configure a DND key in advance.
Permitted
Values
0-DND state is automatically deactivated after the call.
1-DND state persists across calls. The phone stays in the DND state until you deactivate the DND
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