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TTY does not work from mobile phone to
mobile phone.
1
Open the main menu and touch
7Settings
>
Calling
>
Advanced Call Settings
.
2
Touch
TTY Mode
, then select a TTY setting.
voice privacy
You can encrypt outgoing voice calls and use
secure channels when available.
1
Open the main menu and touch
7Settings
>
Calling
>
Advanced Call Settings
.
2
At
Voice Privacy
, slide the switch to
On
.