CallTTY TDD software
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Version
2.35
A program to communicate with phone TTY/TDD devices
(Telecommunications Devices for the Deaf) via a sound
card, without TTY modem. A simple interface between
sound card and phone line or acoustic connection with
phone handset are used. Together with "Virtual Audio
Cable" software CallTTY can work via Skype Internet-
phone, without additional hardware at all.
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