Samsung SPH-L900TSASPR - Manual (Page 160)

1. Press and then tap > Settings > My Device.
2. Tap Call, and then tap TTY mode to choose a mode, from TTY Off, TTY Full, TTY
HCO, or TTY VCO.
DTMF Tones
Dual-tone Multi-frequency (DTMF) tones play when you use the Phone keypad during a call,
such as when navigating menus. You can choose the length of the tones.
1. Press and then tap > Settings > My Device.
2. Tap Call > DTMF tones, and then choose a tone length.
Voicemail Settings
Set options for Visual Voicemail.
1. Press and then tap > Settings > My Device.
2. Tap Call, and then tap Voicemail settings to configure options for voicemail.
Voice Privacy
Improve the security of voice calls.
1. Press and then tap > Settings > My Device.
2. Tap Call, and then tap Voice privacy to enable the option.
Blocking Mode Settings
When Blocking mode is enabled, notifications for selected features are blocked, and you only
receive the notifications you choose. You can choose to block notifications by feature or contact,
and choose blocking all the time, or during a specific time period.
1. Press and then tap > Settings > My Device.
2. Tap the ON/OFF switch next to Blocking mode to enable or disable the setting.
Blocking mode must be enabled to configure options.
3. When Blocking mode is enabled, choose features to block:
 Block incoming calls: When enabled, notifications for incoming calls will not
display. Tap the check box next to the option to enable or disable it.
 Turn off notifications: When enabled, notifications for new messages will not
display. Tap the check box next to the option to enable or disable it.
Settings 148