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22 Phone Basics
TTY Use With Handset
A TTY (also known as a TDD or Text Telephone), is a telecommunications device
that allows people who are deaf, hard of hearing, or 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 supports digital wireless
transmission. 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 for Menu.
2. Select Settings > More....
3. Select Accessibility.
4. Select TTY Options. (A brief explanation of TTY will display.)
5. Press again to continue.
6. Press the navigation key up or down to select TTY Off or TTY On and
press to save and exit. When TTY is on, connect to your headset.
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. This matter has been
brought to the attention of the FCC, and the wireless industry and PSAP community
are currently working to resolve it.
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u440 BMC Guide.book Page 22 Wednesday, October 8, 2008 10:17 AM