TTY means “teletypewriter.” It is a device or service used by people who are deaf, hard of hearing, or have speech difficulties to communicate by text over the phone.
In daily life, TTY is used when someone needs to make a phone call without speaking. A person types a message on a TTY device, and the other person reads it on their own TTY or through a relay service. Today, many people use text-based phone services or relay apps instead, but TTY is still a common term in accessibility and phone settings.
Meaning & Usage
TTY is short for teletypewriter. It helps people send typed messages through a phone line. You may also see it in phone menus, accessibility settings, or customer service information.
Examples
For example, someone might use TTY to call a doctor’s office, a bank, or emergency services when speaking on the phone is not possible.
Is TTY still used today?
Yes, but less often than before. Many people now use smartphones, text relay services, or other accessible communication tools instead.
Where might I see TTY?
You may see TTY in phone settings, accessibility options, or on websites that mention support for deaf or hard-of-hearing users.
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