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CallTTY TDD software Versions for Windows

A program to communicate with phone TTY/TDD devices via a sound card or Skype. Read more about CallTTY TDD software
Current version listed on Download.io:
CallTTY TDD software
CallTTY TDD software 2.35
Listed on: Dec. 5, 2011
Release Status: Major Update
File: Sound device with number above ten can be used now.
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