HTC DROID Incredible - Manual (Page 75)

Phone calls 
Tap Menu and sort and delete voice mails, call your voice mail
box, configure voice mail settings, and more. You can also
synch with the Visual Voice Mail server to refresh the Visual
Voice Mail list.
Visual Voice Mail is only available in the National Enhanced Services
Coverage Area and only on select devices. Specific terms, conditions
and monthly charges apply. Basic Voice Mail and V CAST Coverage
Area are required and V Block must be removed to use Visual Voice
Mail.
Anyone in possession of this device can access voice mail. To limit
unauthorized access to voice mail, consider locking the phone when
not in use.
Turning Airplane mode on or off
In many countries, you are required by law to turn off the phone while
on board an aircraft. A way to turn off the phone function is to switch
your phone to Airplane mode. When you enable Airplane mode,
all wireless radios on your phone are turned off, including the call
function, data services, Bluetooth, and Wi-Fi.
Press HOME > MENU, and then tap Settings > Wireless &
networks.
Select or clear the
Airplane mode check box to enable or disable
Airplane mode.
When enabled, the Airplane mode icon ( ) is displayed in the
status bar.
When you disable Airplane mode, the call function is turned back on
and the previous state of Bluetooth and Wi-Fi is restored.
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