Panasonic KX-TD500 System Reference Manual page 608

4.00 Do Not Disturb (DND)
Description
Do Not Disturb allows an extension user to
appear busy to all incoming calls (intercom,
extension and outside calls).
To utilize this feature, assign "System-Class of
Service", Call Forwarding/Do Not Disturb to "Yes"
beforehand by system programming.
This feature can be assigned and canceled by
dialing the feature number "Do Not Disturb Set"
and "Call Forwarding/Do Not Disturb Cancel".
Programming
System Programming
"System-Class of Service (1/3)",
Call Forwarding/Do Not
Disturb
"System-Numbering Plan (5/11)",
Do Not Disturb Set
Call Forwarding/Do Not
Disturb Cancel
Conditions
(1) IRNA – Automatically
If a call via DISA/DID is directed to an
extension in the DND mode, it will be
automatically redirected to another extension
(including VPS extension) or an Attendant
Console assigned as the IRNA destination.
Refer to Section 3-F-5.00 "Intercept Routing
– No Answer (IRNA)" for further information.
(2) Making Calls
An extension in the DND mode can still be
used to make calls and access any other
features available to that extension.
(3) Answering Calls
An extension in the DND mode is available:
• To answer a call ringing at another
extension by "Call Pickup" feature.
Refer to Section 5-B-1.00 "Call Pickup" for
further information.
(4) FWD/DND
Setting DND feature cancels any Call
Forwarding feature pre-assigned on the
extension and vice versa.
Refer to Section 5-D-2.00 "Call Forwarding
(FWD)" for further information.
Reference
VT Dumb
10-D-4.01
11-C-7.00
10-D-6.05 11-C-11.00
5-B-6
(5) DND Override
"Do Not Disturb Override" allows extension
users to override "Do Not Disturb" feature
assigned on the called extension user.
Refer to Section 5-A-6.00 "Do Not Disturb
Override" for further information.
Operation
Setting Do Not Disturb
1. Lift the handset.
• You hear dial tone 1, 3, or 4.
2. Dial the feature number for "Do
Not Disturb Set" (Default : **1).
• You hear confirmation tone 1 or
2 and then dial tone 1, 3, or 4.
3. Replace the handset.
Canceling Do Not Disturb
1. Lift the handset.
• You hear dial tone 1, 3, or 4.
2. Dial the feature number for "Call
Forwarding/Do Not Disturb
Cancel" (Default : ##0).
• You hear confirmation tone 1 or
2 and then dial tone 1, 3, or 4.
3. Replace the handset.