Samsung Galaxy S21 SG User Manual page 101

Apps
Video call effects
Blur or customize your background during a video call in available apps.
1. From Settings, tap
2. Tap to enable this feature.
3. Choose an available option:
Background color: Automatically adjust your virtual background to a solid
l
color based on your surroundings.
Background image: Select an image from your photos to use as your video
l
call background.
Wi-Fi calling
Make calls over Wi-Fi when you are connected to a Wi-Fi network.
1. From Phone, tap
2. Tap to enable this feature.
3. Follow the prompts to set up and configure Wi-Fi calling.
Real Time Text (RTT)
Type back and forth in real time with the other person while on a call.
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
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.
Advanced features > Video call effects.
More options > Settings > Wi-Fi calling.
More options > Settings.
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