This Technical Report (TR) describes the means that the Teletypewriter (TTY) service can be provided over Internet Protocol (IP) between operators? networks through the use of the Global Text Telephony (GTT) capability which enables simultaneous audio and/or video with text media stream.
ATIS 1000068
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Support of TTY Service Over IP Using Global Text Telephony
The Alliance for Telecommunications Industry Solutions , 08/03/2017
Pages: 40
