AASTRA 53i Guia Da Instalação

Model 53i IP Phone Installation Guide

19

Set Audio

The 53i allows you to use a handset, a headset, or handsfree to handle 

incoming and outgoing calls. The audio mode option provides different 

combinations of these three methods to provide maximum flexibility in 
handling calls. There are four audio mode options to choose from:

Headset Mic Volume

To adjust the headset microphone volume, press Advanced after selecting 
the audio option, and then select the Low, Medium, or High volume level.

Call Forward

Use this option to call forward your phone. Use the 

 and 

buttons to 

move between the fields to set the call forward Number, Mode, and No. 
Rings. The selectable call forward mode includes: All, Busy, NoAns (No 
Answer), BusyNoAns (Busy No Answer), or Off; this is selected via the 

and buttons.

Network

This is a system administrator level-only option, and requires a password 
to access. See the SIP IP Phone Aastra 53i, 55i, 57i, 57i CT 
Administrator Guide for details.

Audio Mode Option Description
Speaker

This is the default setting. Calls can be made or 

received using the handset or handsfree 

speakerphone. In handset audio mode, pressing 
the 

 button on the phone switches to 

handsfree speakerphone. In Speaker audio mode, 

lift the handset to switch to the handset.

Headset 

Choose this setting if you want to make or receive 

all calls using a handset or headset. Calls can be 

switched from the handset to headset by pressing 
the

button on the phone. To switch from the 

headset to the handset, lift the handset.

Speaker/Headset

 Incoming calls are sent to the handsfree 
speakerphone first when the 

 button is 

pressed. By pressing the button again, you can 

switch back and forth between the handsfree 

speakerphone and the headset. At anytime, lifting 

the handset switches back to the handset from 

either the handsfree speakerphone or the headset.

Headset/Speaker

Incoming calls are sent to the headset first when 
the 

 button is pressed. By pressing the button 

again, you can switch back and forth between the 

headset and the handsfree speakerphone. At 

anytime, lifting the handset switches back to the 

handset from either the headset or the handsfree 

speakerphone.