Features for the Hearing Impaired
• Circuit data — used for sending and receiving
faxes and for transferring large files
• Packet data — used for small file transfers such
as email
When used as a modem, your phone has these
data transfer modes:
• Circuit data — used for sending and receiving
faxes and for transferring large files
• Packet data — used for small file transfers such
as email
To use these services, you must install the iDEN
Wireless Data Services software (available
separately). For more information on setting up
your computer and your i580 phone for packet and
circuit data calls, refer to the Wireless Data
Services User’s Guide or contact SouthernLINC
Wireless.
Features for the Hearing
Impaired
Making TTY Calls
To use your phone to make phone calls using a
teletypewriter (TTY) device:
1 Connect one end of a 2.5mm cable into the
audio jack on your phone. Connect the other
end of the cable to your TTY device.
2 Make sure that your phone’s TTY feature is on
and select the TTY mode you want to use.
3 Use your phone to enter phone numbers and
make calls.
When you make a TTY call, these icons appear on
the phone’s display:
TTY device features such as Turbo-Code,
High-Speed, and Interruption are not supported by
your phone. These features must be turned off or
disabled to use your TTY device with your phone.
N
Phone call is active.
O
Phone call is on hold.
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