NEC DSX-40 Feature Handbook page 120

Night Service / Night Ring
Press the flashing line or loop key.
3.
• If you have Ringing Line Preference, lifting the handset answers the call.
• If you have Automatic Handsfree, you can press the line or loop key without first lifting the handset.
To answer a call that is ringing over the Paging speakers:
1. Lift the handset.
2. Dial *0 .
112 ◆ Features
Using Night Service / Night Ring
In these instructions:
[Super Display Soft Key]
[Keyset Soft Key]
DSX Feature Handbook