•TTY mode: Choose a TTY mode to enable TTY mode, for use with optional TTY equipment.
•DTMF tones: Set the length of
•Voice privacy: Enable or disable Enhanced voice privacy, to improve the security of phone calls.
Sound
From this menu you can control the sounds on the phone.�From the Settings screen, touch Sound.The following options display:Volume
The Volume option allows you to change the volume for all phone sounds in one easy location.
1.From the Settings screen, touch Sound ➔ Volume.2.Touch and drag the slider to adjust the sound volume for Ringtone, Music, video, games and other media, Notifications, and System.
3.Touch OK.
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