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This document is the preamble to the NPRM. Click here to view the NPRM. See also: Final Rule published to the Federal Register 1/18/17 that jointly updates requirements for ICT covered by Section 508 of the Rehabilitation Act and Section 255 of the Communication Act.

410.6.3.1 PSTN (Section-by-Section Analysis)

This section proposes that, where ICT with real-time two-way voice communication interoperates with the publicly switched telephone network (PSTN), real-time text conform to TIA 825-A (incorporated by reference in 508 Chapter 1 and 255 Chapter 1). This is the current industry standard for TTY signals (also known as Baudot) at the PSTN interface.

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