Samsung SCH-6100 Manual page 128

Your Sprint PCS Phone includes both a Main menu and an
In-Use menu.
The Main menu in Standby mode contains eight primary
options, all of which contain sub-menus (see "Your Phone's
Main menu" on page 128).
These menu options are available in Talk or In-Use mode:
0. Version
1. Mute / (Un)Mute
2. Silent Key
3. 3-Way Call
4. Calls
5. Messages
6. Phone Book
7. Calendar
8. Send Tel#