1.5 Before Leaving Your DeskUser Manual 69• The FWD/DND button light shows the current status as follows: Off: Neither feature is set. Red on: Do Not Disturb (DND) mode Flashing red slowly: FWD mode• If a proprietary telephone (PT) user sets the FWD—Busy/No Answer feature, the FWD/DND button light will keep flashing while on-hook. To stop the button from flashing, go off-hook and enter "716#".• A call can only be automatically forwarded one time. In the example below, extension A's calls are being forwarded to extension B. If extensionB tries to set FWD to extension C, the extension B user hears a reorder tone and thesetting is denied. If extension B has already set FWD to extension C, and extension A triesto set FWD to extension B, the setting is also denied.• You can confirm the current FWD destination by pressing the FWD/DND button while on-hook.• CO-to-CO Line Call DurationThe length of outside-to-outside (CO-to-CO) line calls may be limited through systemprogramming. Both the outside caller and the outside destination will hear a warning tone 15 secondsbefore a specified time limit. When the timer expires, the call is disconnected.Customising Your Phone• 3.1.3 Customising the Buttons Create or edit an FWD/DND (Call Forwarding/Do Not Disturb).AB CAB C