NEC Univerge SV8100 Features And Specifications Manual page 920

Issue 1.0
Operation
To place a call if your extension has ringdown programmed:
1. Lift the handset.
If you want to place a trunk call, press a line key before lifting the handset.
Depending on the setting of your ringdown timer, you may be able to dial an Intercom call before your ringdown
goes through.
If the destination has Handsfree Answerback enabled, your call voice announces. If the destination has Forced
Intercom Ringing enabled, your call rings.
To answer a call if you are another extension ringdown destination:
1. Speak toward telephone to answer incoming voice announcement.
- OR -
Lift the handset or press Speaker to answer ringing Intercom call.
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UNIVERGE SV8100
Ringdown Extension, Internal/External