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What's the RTT icon over the mute icon?

Why is the icon phone with RTT

iPhone 7 Plus, iOS 15

Posted on Nov 20, 2021 9:57 AM

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Question marked as Top-ranking reply

Posted on Nov 20, 2021 10:06 AM

Take a look at this.

Answer or make RTT or TTY calls from your iPhone - Apple Support

1 reply

What's the RTT icon over the mute icon?

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