AASTRA 57i 설치 가이드

Model 57i IP Phone Installation Guide 19

Use the Change softkey to cycle through different backlighting options of 
OFF, ON, or Auto. Auto backlighting sets the phone to turn off the 
backlighting after a period of inactivity; the idle period is user definable 
under the Advanced softkey when you select the Auto option. The 
backlight is turned on with a key press or state change on the phone.

Live Dialpad*

This option turns the Live Dial Pad mode ON or OFF. With live dial pad 
ON, the 57i IP phone automatically dials out and turns ON Handsfree 
mode as soon as a dial pad key or softkey is pressed. With live dial pad 
OFF, if you dial a number while the phone is on-hook, lifting the receiver 
or pressing the 

 initiates a call to that number. Press the Change 

softkey to turn ON or OFF the dial pad mode. 

*

Availability of feature dependant on your phone system or service provider.

Set Audio

The 57i 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:

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.