1.3 Call Forwarding (FWD)/Do Not Disturb (DND) FeaturesFeature Guide 651.3.1.3 Do Not Disturb (DND)DescriptionAn extension user can make use of the DND feature. If this feature is set, calls will not arriveat the extension, but arrive at other extension by using the Idle Extension Hunting feature (1.2.1 Idle Extension Hunting) or the Intercept Routing—Busy/DND feature ( 1.1.1.6 InterceptRouting). When a destination cannot be found, the calling extension will hear the DND tone,while the calling outside party will hear a busy tone.Conditions• DND for Trunk Calls/Intercom CallsThe DND feature can be set for trunk calls, for intercom calls, or for both of them by theextension user.• DSS button in DND ModeThe DSS button light will turn red if the assigned extension has set DND.• DND OverrideAn extension in DND mode can be called by other extension users who are allowed tooverride DND in their COS ( DND Override [507]).• Paging DNDIt is programmable whether the PBX pages extensions in DND mode through systemprogramming. ( 1.14.1 Paging)• Intercept Routing—Busy/DNDIf a call arrives at the extension in DND mode, the call can be redirected to thepreprogrammed destination by the Intercept Routing—Busy/DND feature.• Idle Extension HuntingWhile searching for an idle extension within an idle extension hunting group, any extensionwhich has DND set will be skipped. The call will go to the next extension in the group, notthe Intercept Routing—Busy/DND destination.• If (1) the trunk call via the LCOT or T1 (LCOT/GCOT) card arrives at the extension in DNDmode and (2) the Intercept Routing—Busy/DND destination is not available and (3) thereis no available extension in the idle extension hunting group, then the original extension inDND mode will ring.• Calls from a doorphone arrive at the extension even when the extension is in DND mode.User Manual ReferencesUser Manual1.2.4 When the Dialled Line is Busy or There is No Answer1.7.2 Refusing Incoming Calls (Do Not Disturb [DND])
