- Open the Phone app .
- Tap More. Settings.
- Tap Accessibility.
- If you see Real-time text (RTT), turn OFF the switch. Learn more about using real-time text with calls.
Why is RTT coming up on my phone?
Real-time text (RTT) is a feature on the Apple ® iPhone ® that allows for those with hearing or speech impairments to carry on a conversational text via a phone call. When RTT is enabled on both devices, no audio is heard on the call.
How do I turn off RTT calling?
- From a Home screen, tap. Phone. (lower-left). If unavailable, swipe up on a Home screen to access all apps, then tap. Phone. .
- Navigate: Menu icon. Settings. Accessibility. .
- Tap. Real Time Text (RTT) Call. to turn On or Off . If prompted with a 'No Video Calls or Call Merging' message, tap. OK.