Phone Calls & Settings 34
TTY Use With Sprint Service
A TTY (also known as a TDD or Text Telephone) is a telecommunications device that allows
people who are deaf, hard of hearing, or who have speech or language disabilities to
communicate by telephone.
Your phone is compatible with select TTY devices. Please check with the manufacturer of your
TTY device to ensure that it is compatible with digital cell phones. Your phone and TTY device
will connect via a special cable that plugs into your phone‘s headset jack. If this cable was not
provided with your TTY device, contact your TTY device manufacturer to purchase the
connector cable.
To turn TTY Mode on or off:
1. Press > Settings > Others > Accessibility > TTY. (You will see an informational
message.)
2. Press .
3. Select one of the following options:
TTY Off to disable TTY mode.
TTY VCO to enable TTY mode in Voice Carry Over mode, which allows you to send
voice and receive text during a call.
TTY HCO to enable TTY mode in Hearing Carry Over mode, which allows you to
send text and receive voice during a call.
TTY Full to enable all TTY settings. You can send and receive text during a call.
To access the state Telecommunications Relay Service (TRS) for assistance with TTY calls:
► Dial
and press
to reach an operator.
For additional information about Sprint Relay Services and TTY compatibility, call Sprint Relay
Customer Service at 800-676-3777 or visit sprintrelay.com.
Note: In TTY Mode, your phone will display the TTY icon if a TTY device or an optional
headset is connected to your phone.
Note: When enabled, TTY mode may impair the audio quality of non-TTY devices connected
to the headset jack.
Warning: 911 Emergency Calling
Sprint recommends that TTY users make emergency calls by other means,
including Telecommunications Relay Services (TRS), analog cellular, and
landline communications. Wireless TTY calls to 911 may be corrupted when
received by public safety answering points (PSAPs), rendering some
communications unintelligible. The problem encountered appears related to
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