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CallTTY TDD software 2.35

CallTTY TDD software Description

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.

Screenshot

CallTTY TDD software screenshot