Make and receive RTT calls on your Apple Watch

With watchOS 5.1.2 or later, you can use the RTT (real-time text) protocol for conversational text calls on your Apple Watch.

What you need

 

* RTT and TTY aren’t supported by all carriers or in all regions. RTT and TTY functionality depends on your carrier and network environment. When making an emergency call in the U.S., iPhone sends special characters or tones to alert the operator. The operator’s ability to receive or respond to these tones can vary depending on your location. Apple doesn’t guarantee that the operator will be able to receive or respond to an RTT or TTY call.

 

Set up RTT for Apple Watch

You can use RTT for conversational text calls on your Apple Watch when you’re away from your iPhone.

Here's how to set up RTT:

  1. On your iPhone, open the Apple Watch App.
  2. Go to General > Accessibility > RTT.
  3. Turn on RTT.

Place an RTT call

Your Apple Watch needs to be connected to a cellular network to place an RTT call. Learn how to set up cellular service.

On your Apple Watch:

  1. Tap the Phone app.
  2. Select a contact and tap the number you'd like to call.
  3. Tap RTT Call.
  4. When the call connects, swipe up and tap  RTT.
  5. Choose from the default replies, send an emoji, or tap  to text. If you've turned on Send Immediately in Settings, your recipient sees your message as you type. If not, enter your message and tap send.

 

Answer an RTT call

If you've set up RTT, here's how to answer a call and upgrade it to a text conversation.

  1. Tap Accept to answer the call.
  2. Swipe up and then tap  RTT.

If you haven't set up RTT, you can still answer an RTT call. Here's how.

  1. When an RTT call comes in to your Apple Watch, you'll see this message: "RTT allows text messages to be sent during a phone call between recipients. This service is typically used by those with hearing impairments. Press the RTT button to communicate using text with the caller."
  2. Tap Got It to accept the RTT call.
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