TRS
Stands for Telecommunication Relay Service.
In the U.S., TRS is governed by Title IV of the Americans with Disabilities Act. All telephone companies are required to provide telecommunication relay services by dialing 7-1-1 to reach a telecommunications relay assistant, after which an assistant can place a call using the 10-digit number on the caller’s behalf.
For more information on the laws governing TRS, see the FCC.
Use the <abbr> code for TRS, written:
<abbr title="Telecommunication Relay Service">TRS</abbr>
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