Captioned telephone service

  • US 10,491,746 B2
  • Filed: 12/15/2015
  • Issued: 11/26/2019
  • Est. Priority Date: 02/18/2004
  • Status: Active Grant
First Claim
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1. A method of operating a captioned telephone call in which an assisted user is connected by a captioned telephone device that is connected both by a first line to a remote user and a second line to a relay providing captioning for a conversation, the method comprising the steps of:

  • detecting the start of an incoming call on the first line prior to the call being answered;

    upon detecting the start of an incoming call on the first line and prior to the call being answered, without any assisted user input subsequent to the start of the call, the captioned telephone device automatically establishing a communication link to the relay on the second line to initiate captioning service set up;

    subsequent to the assisted user answering the incoming call, the captioned telephone device passing spoken words received on the first line to the second line; and

    receiving text captions of the spoken words back from the relay at the captioned telephone device on the second line, wherein words received on the first line include words spoken by the assisted user and words spoken by the remote user, the step of passing spoken words on the first line to the second line including cancelling the words spoken by the assisted user and only passing words spoken by the remote user to the second line.

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