Nortel NN43112-107 User Manual page 41

releases the switchhook, and you either answer an incoming call
or you receive a dial tone to make a call.
User interface
Screen displays that interact with the end user as a result of an
action or event.
Visual Alerter/Message Waiting indicator
An LCD or an LED that flashes to indicate that a message is
waiting or when the ringer is on.
Terms you should know
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