Apple iPhone 12
iOS 15.0
Select help topic
1. Find "Call Waiting"
Press Settings.
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Press Phone.
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Press Call Waiting.
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2. Turn call waiting on or off
Press the indicator next to "Call Waiting" to turn the function on or off.
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3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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