NEC Univerge SV8100 Features And Specifications Manual page 160

Issue 1.0
8. Press Hold to set up Delayed Ring.
- OR -
Skip to Step 10.
9. Dial the mode number in which the key delay rings.
1 = Day 1
2 = Night 1
3 = Midnight 1
4 = Rest 1
10. Press Speaker.
2 - 136
5 = Day 2
6 = Night 2
7 = Midnight 2
8 = Rest 2
UNIVERGE SV8100
Call Arrival (CAR) Keys