How to use video calling and real-time text (RTT) during calls on Samsung Galaxy smartphones

Video calls
To make Video calls:

NOTE Not all devices support video calling. The receiver has the option to accept
the video call or answer the call as a regular voice call.
Video effects
Blur or customize your background during a video call in available apps.

1. From Settings, tap Advanced features > Video effects.
2. Choose an available option:
   l Background color: Automatically adjust your virtual background to a solid
   color based on your surroundings.
   l Background image: Select an image from your photos to use as your video
   call background.

Real Time Text (RTT)
Type back and forth in real time with the other person while on a call. Options may
vary by service provider.
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
RTT calls.

1. From Phone, tap More options > Settings.
2. Tap Real time text for the following options:

• RTT call button: Choose a visibility option for the RTT call button.
  – Visible during calls: Show the RTT call button only during calls.
  – Always visible: Show the RTT call button on the keypad and during calls.
• Use external TTY keyboard: Hide the RTT keyboard when an external
  TTY keyboard is connected.
• TTY mode: Choose the preferred TTY mode for the keyboard in use.

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