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Huawei U3900 - 10 TTY Operation; Configuring the TTY Settings; Using a TTY

Huawei U3900
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23
10 TTY Operation
The Teletypewriter (TTY) is a typewriting device that is used to
communicate over a phone network. By enabling the TTY function
and connecting your phone to a TTY device, you can use the TTY
device to send or receive messages.
Configuring the TTY Settings
Select Menu > Settings > Phone > TTY Settings to configure
the following TTY settings:
TTY OFF: Use standard voice speaking mode and listening
mode.
TTY FULL: Send and receive TTY characters.
TTY VCO: Receive TTY characters but send by speaking into
the microphone.
TTY HCO: Send TTY characters but receive by listening to the
earpiece.
Using a TTY
To use the TTY function:
1.
Set your phone to TTY mode and connect the TTY device into
the headset jack of your phone.
2.
Make or answer a call.
3.
When the call is set up, use the TTY device to send or receive
messages.
4.
Press
to end the call.

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