For users with speech and hearing difficulty, iPhone introduced an accessibility feature known as the RTT (Real Time Text) or TTY (Telephone using Teletype). RTT helps the user to see the responses in real-time in text format as the other user types the text. Also, it can transmit audio as the user types the text in real-time. Another additional benefit of this feature is that it archives the text on your iPhone after the call is over that you can access later. However, for a normal user, this feature may not be much useful. Moreover, the text-to-voice transmitting feature can create a disturbance while on a call. Hence, to turn off RTT on your iPhone, this guide will help you.
RTT can help a user to type text or transmit text to audio messages in real-time when on call. However, if you want to turn it off, follow these steps:
RTT calls cost the same as regular voice call plans as imposed by your mobile carrier. However, you will need to enter a relay number for your mobile carrier after enabling the RTT to make the RTT-supported calls. This number differs based on your location.
Yes, RTT is available for iPad users too. You can turn it on/off by going to Settings > General > Accessibility > RTT/TTY > Turn on/off the toggle.
That’s everything covered on how to turn off RTT on iPhone. Also, check out our other guides, such as How to use the lockdown mode on iPhone or How to use passkeys on iPhone, iPad, or Mac.
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