NEC NEAX 2400 IPX User Manual page 13

CALL PARK (Key and Lamp)
Allows the attendant to park a call that they have answered.
Note: Any station may retrieve a parked call by dialing the remote retrieval code followed by the attendant
number.
SC (Serial Call Set Key and Lamp)
Allows the attendant to be automatically recalled when a station user replaces the handset. This is accom-
plished by pressing the SC Key after transferring an external (central office) call to a station.
SVC (Supervisory Call Set Key and Lamp)
Allows the attendant to supervise a call by depressing the key after extending a central office call to an inter-
nal station.
OPTION (Optional Key and Lamp)
Allows the attendant access to various optional features. Each key has an associated lamp.
START (Key and Lamp)
Allows the attendant to originate an outgoing call for a station.
MUTE (Key and Lamp)
Allows the attendant to cut off their voice transmission.
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