NEC UNIVERGE SV8100 Features & Specifications Manual page 854

Issue 5.0
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.
1 - 844 Ringdown Extension (Hotline), Internal/External
UNIVERGE SV8100