NEC UNIVERGE SV9100 General Description Manual page 65

Five Do Not Disturb options are available at each extension. These options can be
accessed via multiline terminal Softkeys, DND feature key or DND system access
code.
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Drop Key
The Drop Key abandons a call while retaining the PBX/Centrex line to originate
another call. The Drop Key is provided by programming a Function Key. This feature
allows Recall to be used to provide a hookflash to the PBX or Central Office. A single
line telephone user can use the Drop Key function with an access code.
Ecology
Environmental issues, such as global warming or ecology are one of the most
important themes in today's world. The following energy saving features are
implemented in this system:
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SV9100 General Description Manual
1 = Incoming trunk calls blocked
2 = Paging, incoming Intercom, Call Forwards and transferred trunk calls
blocked
3 = All calls blocked
4 = Incoming Call Forwards blocked
0 = Do Not Disturb canceled
Power Cut Off Mode
Power Saving Mode
Power Failure Saving Mode
Issue 2.0
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