Real Time Text (RTT)
Type back and forth in real time with the other person while on a call.
To use RTT, you must be connected to a 4G LTE or Wi-Fi network.
You can use RTT whenever you are calling someone whose phone also supports RTT or
is connected to a teletypewriter (TTY) device. The RTT icon appears on all incoming
RTTcalls.
1.
From Phone, tap More options > Settings.
2. Tap Real time text for the following options:
• Always visible:Show the RTTcall button on the keypad and during calls.
• Use external TTY keyboard:Hide the RTT keyboard when an external
TTYkeyboard is connected.
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