2024年1月25日 · RTT (real-time text) allows you to send text messages with a recipient during a phone call. RTT can also be used with a TTY (teletypewriter) device. This feature is available for plans from carriers in the United States and Canada only.

在 iPhone 上接听或拨打 RTT 或 TTY 电话. 在运行 iOS 10 或更高版本的情况下，借助 iPhone 上的蜂窝网络连接，你无需任何额外硬件就可以进行 RTT 或 TTY（实时文本/文本电话）通话。你还可以查找之前 通话的听写文本。 什么是 RTT/TTY？

2022年9月20日 · "RTT" stands for "Real-Time Text," and it's a protocol for text calls. That's right, it's not text messaging as you might normally think. RTT is a way to have a text conversation in real time over a phone call.

On iPhone, communicate by telephone using Teletype (TTY) or real-time text (RTT) if you have hearing or speech difficulties. Use Software TTY on iPhone or connect iPhone to an external TTY device.

2025年2月24日 · RTT is a built-in accessibility feature on iPhone that provides a message box to send texts while making or receiving calls. It also uses automated transcription to convert audio to text and vice-versa. On iPhones, RTT/TTY doesn’t need any extra hardware.

2023年7月22日 · 在您的设备上拨打和接听 RTT（实时文本）电话 iPhone, iPad， 和 Mac 有可能在 iOS 11.2，但在最新更新中， Apple 还为 Wi-fi 呼叫启用了此 RTT 协议。 此新更新已于 iOS 12.1.1 和 macOS 莫哈韦 10.14.2。

2022年6月2日 · Did you know you can use the Real-time text (RTT) protocol for conversational text calls on the iPhone? In the United States, you can make and receive RTT calls on the iPhone 6 and later. With RTT, you can transmit conversational text as soon as you — or the person you are talking to — type it out.

您会在 iPhone 的“辅助功能”菜单中找到 RTT，这就是此功能的真正价值所在。 对于有听力和语言障碍的人来说，打电话可能会很困难，但短信和即时消息应用程序缺乏“面对面”对话的感觉。

2021年6月17日 · The RTT feature on your iPhone sends text messages immediately as you type them without requiring you to hit send.

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. Answering incoming calls as RTT / TTY will prevent all call audio from being heard during TTY calls.