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RTT

British  

abbreviation

  1. radioteletype

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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And on top of that, there are the famous "RTT" days, which many get in return for working more than the legal 35 hours a week.

From BBC

RTT/TTY: Enables the ability to make RTT and/or TTY calls.

From The Verge

RTT, or real-time text, is a mode where people can call deaf and hard-of-hearing people who use a TDD device.

From The Verge

Screenshot: Steven Aquino There are three features under this category: Audio, RTT, and Captions.

From The Verge

Amid widespread rioting, vandalism and arson that often took place at night, the RTT was sent in to disperse crowds.

From BBC