Samsung MM-A880 Owner's Manual page 229

Voicemail Button Guide
Here's a quick guide to your keypad functions while
listening to voicemail messages. For further details and
menu options, see "Voicemail Menu Key" on page 220.
Section 3A: Sprint PCS Service Features: The Basics
Date/Time Send Reply
Replay Rewind
Erase Call Back
Cancel Help
Advance
Forward
Save
Skip
215