LG MM-535 Owner's Manual page 128

When you receive a new voice message, your phone alerts you and
prompts you to call your voicemail.
Press and hold
Press
You can review your messages directly from your Sprint PCS Vision
Phone or from any other touch-tone phone. To dial from your
Sprint PCS Vision Phone, you can either speed dial your voicemail or
use the menu keys.
Press and hold
Press
Select
Select
Press
.
(right softkey).
. (Your phone will dial your voicemail box.)
(left softkey) to access the main menu.
( ).
( ).
to listen to your messages.