User Guide

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DND
DND(Do Not Disturb) allows IP phones to ignore any incoming calls.
DND Emergency: Enable this function, users can still receive the call
from DND Authorized number when in emergency situation.
DND Authorized Number:R73G supports multiple authorized numbers.
Please use comma to separate.
DND Priority: Enable this function. If you enable DND and Forward
function in the same time, the DND priority will be higher than Forward
function.
Account: Select a account for DND function
DND: Enable this function
Return Code when DND: Determine what response code should be
sent back to server when there is an incoming call if DND on.
DND On Code: The Code is used to turn on DND on server’s side, if
configured, IP phone will send a SIP message to server to turn on DND
on server side if you press DND when DND is off.