Some phone users, delving into the settings, come across an incomprehensible abbreviation TTY or the phrase "Teletype mode." Also in the status bar of the smartphone may be a characteristic icon. What is teletype in the phone? What is it for? How to use it? All this will be discussed in this article.
Hearing problems
Unfortunately, some people have both congenital and acquired hearing problems. But this does not mean that they should be limited in the use of mobile phones. Therefore, for such people come up with various technologies that make life more comfortable. One of them is the use of teletype mode on mobile phones. But before talking about this mode, it is necessary to refer to the original history of the invention under the same name.
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