It is a tool that enables communication between deafblind people and their partners through the exchange of written and accessible information.
This is an aid program for deafblind people with hearing loss that does not allow them to understand spoken messages and visually impaired to varying degrees.
It allows the deafblind person, so accessible to and in person visual characteristics, issuing written messages to partners and access to the response of these.
Furthermore CTO allows the user DeafBlind using prerecorded messages in advance to initiate a communication or during use thereof.
It offers the possibility to use the program as an accessible text editor, or for use in other applications or the CTO itself.