U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.


Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

On April 20, 2022, the FCC granted conditional certification to Hamilton Relay, Inc. (Hamilton), to provide Internet Protocol Captioned Telephone Service (IP CTS) using automatic speech recognition (ASR) in addition to its existing communications assistant (CA)-based IP CTS.  Users will have the option to specifically request ASR-only captions as their primary method of captioning.

Conditional Certification Order:
URL:     https://www.fcc.gov/document/hamilton-granted-automatic-speech-recognition-ip-cts       
Word:  https://docs.fcc.gov/public/attachments/DA-22-442A1.docx   
PDF:     https://docs.fcc.gov/public/attachments/DA-22-442A1.pdf  
Text:     https://docs.fcc.gov/public/attachments/DA-22-442A1.txt    

General information about Telecommunications Relay Services is available at www.fcc.gov/trs  and about IP CTS at www.fcc.gov/ipcts.  For further information, please contact William Wallace, Disability Rights Office, CGB, at (202) 418-2716, or William.Wallace@fcc.gov.  Individuals who use videophones and are fluent in American Sign Language may call the FCC’s ASL Consumer Support Line at (202) 432-2275.

Wednesday, April 20, 2022