24 Phone Basics
Note: Not all service providers support TTY. Consult your service provider for more
information.
To turn TTY Mode on or off:
1. Press followed by . (A brief explanation of
TTY Mode will display.)
2. Press again to continue.
3. Press the navigation key up or down to select TTY On or TTY Off and
press to save and exit.
Note: In TTY Mode when your headset is plugged in, your phone will display the
TTY access icon. If TTY mode is enabled, the headset cannot be used.
IMPORTANT 911 Emergency Calling: We recommend that TTY users make
emergency calls by other means, including Telecommunications Relay Services
(TRS), analog cellular, and land line 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 TTY equipment or software used by PSAPs. The wireless industry and
PSAP community are currently working to resolve this.
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