What is the difference between RTT and TTY?

Both parties to an RTT call can send and receive text in real time at the same time, unlike TTYs, which requires turn-taking. RTT is more reliable than TTY technology over IP networks – this means there will be less garbling and fewer drop-offs on calls.
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Is RTT and TTY the same?

Real-time text (RTT) lets you use text to communicate during a phone call. RTT works with TTY and doesn't require any additional accessories.
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Why does my phone go to RTT?

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.
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What is TTY on my phone?

A teletypewriter (TTY) is a device used for communication by hearing-impaired and speech-impaired people. User types the message on a TTY machine and the machine transmits the message through a telephone line or mobile phone signal.
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What is TTY mode?

TTY mode. Your phone can use an optional teletypewriter (TTY) device, for people who are hard of hearing or have a speech impairment. Plug the TTY device into the phone's headset connector.
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How to set up TTY/RTT (teletype and real time text) on iPhone



What has replaced TTY?

RTT Is an Effective and Efficient Replacement for TTY Technology.
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How does TTY work on iPhone?

Make or receive RTT/TTY phone calls
  1. Open the Phone app.
  2. Select your contact and tap their phone number.
  3. Select RTT/TTY or RTT/TTY Relay.
  4. Wait for the call to connect, then select RTT/TTY.
  5. Enter your message: If you turn on Send Immediately in Settings, your recipient sees your message as you type.
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How do you merge calls without the other person knowing?

Tap "Hold Call + Answer". This will mute your current conversation and put it on hold. Select "merge call" to add the incoming call to the conference call.
...
To do this:
  1. Tap > near the top of the screen.
  2. Tap the green Private to the right of the individual's name. ...
  3. Press "merge calls" to rejoin the conference call.
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How do you call 2 numbers at the same time?

How to conference call on an Android phone
  1. Type in the phone number you want to call, or swipe through the list of contacts until you come across the person you want to call. ...
  2. Once the person you've called picks up the call, tap on the + symbol labeled "Add call." ...
  3. Repeat step two for the second person you want to call.
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What is 3 way calling in telephone feature?

On an Android phone

Now, add the call via the "Add call" button and your phone's keypad will pop up. Dial the second person and wait for them to pick up the phone. Once they pick up the phone, you'll see the "Merge call" button. Tap this and your phone will merge the calls into a three-way call.
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How do you identify a conference call?

The conference number and conference ID are available on the telephone tab for both the organizer and participants: During a meeting, tap anywhere to display meeting options and then tap the phone icon. Result: Audio options are displayed at the bottom of the screen.
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What is RTT on iPhone calls?

If you have hearing or speech difficulties, you can communicate by telephone using Teletype (TTY) or real-time text (RTT)—protocols that transmit text as you type and allow the recipient to read the message right away. RTT is a more advanced protocol that transmits audio as you type text.
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Does iPhone have RTT?

The RTT feature on an iPhone sends text messages immediately as you type them without requiring you to hit send. RTT, or real-time text, is built into the iPhone 6 and later, and can be enabled through the Accessibility menu in your Settings app.
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Are TTY still used?

Consumers are now generally able to use TTYs to complete calls with their digital wireless phones, including 911 calls, if the phone itself is TTY-compatible. To find a TTY-compatible digital wireless phone, contact your wireless service provider or handset retailer.
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What happens if I dial 711?

Typically, a person with hearing and speech disabilities will dial 711 to contact a TRS communications assistant, who will facilitate the call with the other party. The caller will use a text input device to give the assistant the number he or she wants to call.
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What is the number 611 used for?

For customers of some telephone companies in Canada and in the U.S., 6-1-1 is the abbreviated dialing telephone number used to report a problem with telephone service, or with a payphone. It is an N11 code of the North American Numbering Plan that are used for special services.
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How do I stop RTT calls?

Turn RTT On / Off
  1. From a Home screen, tap. Phone. (lower-left). If unavailable, swipe up on a Home screen to access all apps, then tap. Phone. .
  2. Navigate: Menu icon. Settings. Accessibility. .
  3. Tap. Real Time Text (RTT) Call. to turn On or Off . If prompted with a 'No Video Calls or Call Merging' message, tap. OK.
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How do you record a phone call?

To record your phone calls: Your device must run Android 9 and up.
...
Use call recording responsibly and turn it on only when needed.
  1. On your Android device, open the Phone app .
  2. At the top right, tap More options Settings. Call recording.
  3. Under “Always record,” turn on Numbers not in your contacts.
  4. Tap Always record.
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Why can't I send text messages while on the phone?

Check whether your carrier supports SMS, MMS, or RCS messaging. Verify that Messages is your default text messaging app. Ensure your SIM card is inserted properly into the port. If it is, check your device's status or notification bar to see whether the mobile network is active.
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How do you call a deaf person on the phone?

A three-digit number, 711, that connects a non-TTY caller to any state's relay service. TTY users can call the Operator Services for the Deaf (OSD) for directory assistance at 800-885-4000. All states have their own relay service. To call the relay internationally, dial 605-224-1837.
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Can others see my number in a conference call?

Only the meeting organizer can see your number.
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Is there any app to detect conference call?

1. MobileDay. MobileDay is purely a one-touch conference call dialer app. It syncs with your phone's calendar and pulls all conference call events from it, and enters the dial-in and the access code numbers for you for each conference call, so you can dial in by just tapping the call icon.
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How do I arrange a 3 way call?

To start a 3-way call on most smartphones:
  1. Call the first phone number and wait for the person to answer.
  2. Tap Add call.
  3. Call the second person. Note: The original call will be put on hold.
  4. Tap Merge to begin your 3-way call.
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How do you call 2 people at the same time on Android?

How do I make a conference call on an Android phone?
  1. Step 1: Call up the first person you want to include in your conference.
  2. Step 2: Once the call connects, tap the “Add call” button. ...
  3. Step 3: Find the next person you wish to add to your call and select their contact number. ...
  4. Step 4: Tap the “Merge” button.
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