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1.3 Call Forwarding (FWD)/Do Not Disturb (DND) Features
Feature Guide 65
1.3.1.3 Do Not Disturb (DND)
Description
An extension user can make use of the DND feature. If this feature is set, calls will not arrive
at 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 Intercept
Routing). 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 Calls
The DND feature can be set for trunk calls, for intercom calls, or for both of them by the
extension user.
• DSS button in DND Mode
The DSS button light will turn red if the assigned extension has set DND.
• DND Override
An extension in DND mode can be called by other extension users who are allowed to
override DND in their COS ( DND Override [507]).
• Paging DND
It is programmable whether the PBX pages extensions in DND mode through system
programming. ( 1.14.1 Paging)
• Intercept Routing—Busy/DND
If a call arrives at the extension in DND mode, the call can be redirected to the
preprogrammed destination by the Intercept Routing—Busy/DND feature.
• Idle Extension Hunting
While searching for an idle extension within an idle extension hunting group, any extension
which has DND set will be skipped. The call will go to the next extension in the group, not
the Intercept Routing—Busy/DND destination.
• If (1) the trunk call via the LCOT or T1 (LCOT/GCOT) card arrives at the extension in DND
mode and (2) the Intercept Routing—Busy/DND destination is not available and (3) there
is no available extension in the idle extension hunting group, then the original extension in
DND mode will ring.
• Calls from a doorphone arrive at the extension even when the extension is in DND mode.
User Manual References
User Manual
1.2.4 When the Dialled Line is Busy or There is No Answer
1.7.2 Refusing Incoming Calls (Do Not Disturb [DND])