What's the RTT icon over the mute icon?
Why is the icon phone with RTT
iPhone 7 Plus, iOS 15
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Why is the icon phone with RTT
iPhone 7 Plus, iOS 15
Take a look at this.
Answer or make RTT or TTY calls from your iPhone - Apple Support
Take a look at this.
Answer or make RTT or TTY calls from your iPhone - Apple Support
What's the RTT icon over the mute icon?