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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