Yealink SIP-T23P [268/841] Dnd emergency

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones

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registrations are not affected. For more information on call forward, refer to Call

Forward on page 284.

The DND on code and DND off code configured on IP phones are used to

activate/deactivate the server-side DND feature. They may vary on different servers.

Return Message When DND

This feature defines the return code and the reason of the SIP response message for the

rejected incoming call when DND is enabled on the IP phone. The caller’s phone LCD

screen displays the received return code.

DND Emergency

This feature allows users to receive the incoming calls from some authorized numbers

even if the DND feature is enabled. This feature is disabled by default.

Procedure

DND can be configured using the configuration files or locally.

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 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 enabled.

Parameters:

features.dnd.emergency_enable

features.dnd.emergency_authoriz

ed_number

Specify the return code and the

reason of the SIP response