What is another word for teletypewriter?
Pronunciation: [tˈɛlɪtˌa͡ɪpɹa͡ɪtə] (IPA) 
A teletypewriter, or TTY, is a device used to communicate through text over a telephone line. There are several synonyms for this device, including teleprinter, telegraph machine, and communication terminal. Modern versions of TTYs are sometimes referred to as textphones or TDDs (Telecommunications Device for the Deaf). Other related terms include text-to-speech devices, which convert text to speech for those who are visually impaired, and speech-to-text devices, which convert speech to text for those who are hearing impaired. Overall, the various synonyms and related terms demonstrate the importance of various forms of assistive technology for communication accessibility.
