Samsung SCH-U640 User Manual (user Manual) (ver.f9) (English) - Page 49
Assistive Communication Devices
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ASSISTANCE Assistive Communication Devices TTY (Text Telephony) and TDD (Telecommunications Device for the Deaf) allow individuals who are deaf, hard of hearing, or have speech or language disabilities to communicate by telephone. When a user types his or her conversation on a TTY keyboard, it is transmitted as tones through the telephone. Tones are received by the other person's TTY, translated into text and displayed on the screen. In order to use the TTY network, you must have a TTY-compatible phone and be in the TTY mode to place or receive calls. Note that most digital wireless devices are TTY-compatible. 49
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49
ASSISTANCE
Assistive Communication Devices
TTY (Text Telephony) and TDD (Telecommunications
Device for the Deaf) allow individuals who are deaf, hard
of hearing, or have speech or language disabilities to
communicate by telephone.
When a user types his or her conversation on a TTY
keyboard, it is transmitted as tones through the
telephone. Tones are received by the other person’s
TTY, translated into text and displayed on the screen.
In order to use the TTY network, you must have a
TTY-compatible phone and be in the TTY mode to
place or receive calls. Note that most digital wireless
devices are TTY-compatible.