Samsung Verizon SCH-U485 User Manual page 46

Using the Sound Alert Mode Voice Commands
When you enable Sound Alert Mode using Voice Commands,
Sound Alert Mode is automatically started in Caller ID Only
mode.
1. From the Home screen, press and hold the
Voice Commands Key.
2. At the audio prompt "Please say a command", say
"Sound Alert Mode On" to activate Sound Alert Mode, or
"Sound Alert Mode Off" to return to your previous sound
settings.
Call Functions 41