Settings 
TTY (Menu 9.5.8)
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.
Menu | User | Feature | Transmission | When making communications | |
/Receiving Mode | with a normal terminal | ||||
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TTY Full | For hearing- |
| text message transmission, | operator required | |
/speech- impaired |
| text message reception | |||
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TTY+TALK | For | can talk | voice transmission, | operator required | |
text message reception | |||||
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TTY+HEAR | For | audible | text message transmission, | operator required | |
voice reception | |||||
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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.
3. TTY Hear:
-Users who can hear but cannot talk send a text message and receive voice messages through TTY equipment.
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