CallTTY TDD software
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. Togetherwith "Virtual Audio Cable" software CallTTY can work via Skype Internet-phone, without additional hardware at all.
Tags: tdd, baudot, deaf communications,