Avaya Wireless Office Headset 3720 Manuel D’Utilisation

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Important:

The telephone may retain small magnetic objects around the microphone or speaker 
region.

The plastic cover parts are made of durable PC/ABS material.

The antenna is integrated inside the telephone.

The cordless telephone has a separate loudspeaker for the loudspeaking function. It is placed 
on the back side of the cordless telephone.

The microphone is placed on the front bottom side of the telephone.

There are three different belt clip options to the cordless telephone; a hinge-type clip (standard), 
a swivel-type clip, or no clip which makes it possible to use the cordless telephone without any 
clip on. See , or 

Attach the Swivel-type Clip

on page 63. Use the clip to attach the telephone to 

a belt or similar.

The battery is a rechargeable Li-lon battery, placed under a battery cover. See 

Replace the 

Battery

on page 62.

5. On-Hook; On/Off key

Combined button; to end a call, to return to 
idle mode, and to switch the telephone on/off 
by long press

12. LED

Indicates incoming call and charging

6. Navigation key

Navigation key with Left, Right, Up, Down

13. Display

The full graphic type display is 112 pixels 
wide and 115 pixels high. The display is 
monochrome black and white, with 
backlighting.

7. Off-Hook key

To answer a call and to pre-dial a number, 
and to post-dial.