Real-time text (RTT) is text transmitted instantly as it is typed or created. Recipients can immediately read the message while it is being written, without waiting.
RTT is utilized for interactive conversations, collaboration, and live captioning in various applications. These include TDD/TTY devices used by the deaf, live captioning for television programs, Text over IP (ToIP), certain types of instant messaging, captioning for telephony/video teleconferencing, telecommunications relay services (such as IP-relay), transcription services like Remote CART and TypeWell, collaborative text editing, streaming text applications, and next-generation emergency services (9-1-1/1-1-2).
Obsolete TDD/TTY devices are being replaced by more modern real-time text technologies, such as Text over IP, IP-relay, and instant messaging, which offer enhanced functionality and accessibility. These advancements ensure that individuals with hearing or speech impairments can actively engage in communication and collaboration with greater ease.
During 2012, the Real-Time Text Taskforce (R3TF) designed a standard international symbol to represent real-time text, as well as the alternate name Fast Text to improve public education of the technology.
Real-time text (RTT) is an iPhone accessibility feature that you can’t remove but, if you don’t need it, you can turn it off. The feature is enabled in your iPhone’s accessibility settings.
Here’s how to turn off RTT on an iPhone:
- Open Settings.
- Scroll down, and tap Accessibility.
- Scroll down, and tap RTT/TTY.
- Tap the Software RTT/TTY toggle to disable it.
- If necessary, tap the Hardware TTY toggle to disable it as well.
- RTT and TTY are now disabled on your iPhone.
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