5
Do Not Disturb
If you have a service that supports Do Not Disturb (DND), you can disable 
ringing and forward all your calls directly to voicemail.
To enable or disable ringing, press the DND softkey from the Home or Lines  
view. When it is enabled, the DND icon displays in the status bar and  
beside the appropriate Line key. 
Ringtones
To change your incoming call ringtone:
1.  From the Home view, select the Settings softkey.
2.  Press Basic, and then Ring Type.
3.  Select the line you’d like to have a special ringtone, 
and then choose the associated ringtone. 
To set dierent ringtones for dierent contacts: 
1.  Go to your contact directory, and select the contact you want to edit.
2.  Press Edit, and then update the contact’s ring type.
3.  Press Select, and then Back to return to the previous screen.