NEC DS1000 Feature Handbook page 109

To place a Reverse Voice Over call:
1. While on a handset call, press and hold your Reverse
Voice Over key.
co-worker in your handset.
To return to your initial caller:
1. Release your Voice Over key.
handset) continues.
To place a call to the co-worker assigned to your Reverse
Voice Over key:
1. While your telephone is idle, press your Reverse Voice
Over key.
co-worker.
Reverse Voice Over
You hear two beeps, then conversation with your
Your Voice Over key lights red.
Conversation with your initial caller (in your
Your Voice Over key goes out.
You hear two beeps, then conversation with your
Your Reverse Voice Over key goes on (green).
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