Avaya Wireless Office Headset 3720 Manuel D’Utilisation

The telephone is switched off:

1. Press and hold On-hook key.

The telephone will vibrate when it is on and the display lights up. 

The telephone is in idle mode:

1. Press On-hook key long.

A control question will be displayed.

2. Confirm with Soft key Yes.

Note:

The telephone returns to idle mode when pressing the On-hook key while in a 
menu.

The telephone is in idle mode or rings.

1. Press the #-key long. The status of the telephone changes between ring signal on/off. To 

locate the button, see 

Keys and Buttons

on page 24.

The 

 icon indicates a silenced telephone. 

To prevent accidentally pressing keys and making a call, the keys can be locked.

1. Press * key.

2. Press Soft key Lock.

1. Press * key.

2. Press Soft key Yes.