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Send DTMF Tones
(Menu 9.8.8)
You can send the DTMF (dual tone multi-
frequency) tones of the number on the display
during a call.
This option is helpful for entering a password
or account number when you call an
automated system, like a banking service.
TTY
(Menu 9.4.9)
Allows you to attach a TTY device enabling
you to communicate with parties also using a
TTY device. A phone with TTY support is able
to translate typed characters to voice. Voice
can also be translated into characters and
then displayed on the TTY.
TTY mode (Tele Type writer)
TTY modes are as follows:
1. TTY Full:
- Users who cannot talk and hear send
and receive a text message through TTY
equipment.
2. TTY Talk:
- Users who can talk but cannot hear
receive a text message and send voice
messages through TTY equipment.
Menu User Feature
Transmission / Receiving
Mode
When making
communications with
a normal terminal
TTY Full
For hearing- /
speech- impaired
text message transmission,
text message reception
operator required
TTY+TALK For hearing-impaired can talk
voice transmission, text
message reception
operator required
TTY+HEAR For speech-impaired audible
text message transmission,
voice reception
operator required
TTY Off For regular users
voice transmission, voice
reception