NEC SL1100 Features And Specifications Manual page 809

ISSUE 2.0
Operation
To Initiate a Voice Over to a busy extension:
1. Press Voice Over key (PRG 15-07 or SC 751: 48)
- OR -
Dial 690.
You hear an alert tone and the Voice Over key flashes. You can talk to the called party after the alert
tone ends.
To use Service Code 690 for Voice Over, PRG 11-16-09 (Voice Mail Service Code) must be
undefined.
To respond to a Voice Over alert tone to your extension:
You can respond only if you have a Voice Over key.
1. Press the Voice Over key.
The Voice Over key lights steadily (green) and you can talk to the interrupting party.
To return to your original call:
1. Press the Voice Over key.
2. Press the Voice Over key again.
Your Voice Over key flashes red when you are talking to your original call.
To switch between your original call and the interrupting party, just keep pressing the Voice Over
key.
Features and Specifications Manual
SL1100
V
1-797