Aastra Telecom 41-001286-00 Manuel D’Utilisation

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Aastra MBU 400 User Guide
 37
Customizing Your Phone
6.  Use the navigation keys to move the center bar higher or lower to adjust contrast, 
and press OK z.
Note: To restore the contrast to the default settings, from the Display Contrast screen 
press the Restore softkey or from the Main Menu press 555, and then press the 
Yes
 
softkey.
Setting Do Not Disturb
You can set your phone to send incoming calls directly to voicemail (or a busy signal 
if voicemail is not enabled) when you don’t want to be interrupted. When Do Not 
Disturb (DND) is enabled, DND appears in the handset idle screen as shown.
To enable or disable Do Not Disturb (DND) do the following.
1.  From the idle screen, press the 
Options
 softkey.
2.  Select 
DND
 and press OK z.
3.  Select 
Enabled
 or 
Disabled
 and press OK z.
4.  Press the red key 
 to exit.
Setting Call Waiting
You can set your phone to alert you when another call comes in during an active call 
using the call waiting feature. You can then choose to answer the new call (leaving the 
original call on hold). Call waiting can be turned off for important calls you don’t 
want interrupted.
To enable or disable call waiting do the following.
1.  From the idle screen, press the 
Options
 softkey.
2.  Select 
Call Waiting 
and press OK z.
3.  Select 
Enabled
 or 
Disabled
 and press OK z.
4.  Press the red key 
 to exit.
Setting Audio
The Aastra 420d handset has a variety of audible indicators, ranging from incoming 
call rings to keypad button sounds. All sounds can be turned off or customized 
through the handset menu.
Call Log
Options
Handset 1
08/05/08
01:55
PM
DND
CLR
CLR
CLR
CLR