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38 Aastra MBU 400 User Guide
Customizing Your Phone
Resetting the Handset
All handset sounds can be reset to the default values in a single step, along with the
display contrast and other customizable handset settings.
To reset all audio settings on your Aastra 420d handset to default values do the
following.
1. In Idle mode, press OK z to display the Main Menu.
2. Select
Settings and press OK z.
3. Select
System settings, and press OK z.
4. Select
Handset Settings, and press OK z.
5. Select
Reset handset, and press OK z.
6. Confirm the reset by pressing the
Yes softkey when prompted.
Changing the Ringer Melody
You can specify a ringer melody for each type of call that you receive, to easily
distinguish between VoIP, landline, and intercom calls.
To change the ringer melody do the following.
1. In Idle mode, press OK z to display the Main Menu.
2. Select
Settings and press OK z.
3. Select
Audio settings, and press OK z.
4. Select
Ringer Melody, and press OK z.
5. Select the type of call for which you want to specify a ringer melody, and press
OK z. Valid selections are VoIP, Landline, and Intercom.
6. Select a ringer melody from the list to assign to the selected type of call.
You can scroll through the list of melodies using the navigation keys and can hear a
sample of the assigned melody by pressing the
Play softkey. For available
melodies, see the table below.
7. Press OK z.
Changing the Ringer Volume
You can increase or decrease the ringer volume on a handset.
To change the ringer volume do the following.
1. In Idle mode, press OK z to display the Main Menu.
2. Select
Settings and press OK z.
Ringer Melodies
Apache I Classic twist
Apache II Marimba
Apache III NeoRetro
Classic Rhythm chords
Classic rise