| 单词 | TRS (Telecommunications Relay Service) |
| 释义 | TRS (Telecommunications Relay Service) A service that allows persons with hearing or speech dis- abilities to place and receive telephone calls through human operators who serve as facilitators. A speech-or hearing-disabled person initiating a TRS call uses a teletypewriter (TTY) or other text input device to call the TRS relay center and gives the communications assistant (CA) the destination telephone number, which the CA uses to place a traditional telephone call. The CA then serves as a translator, relaying the text of the calling party in voice to the called party, and converting the voice of the called party into text for the benefit of the caller.There are a number of variations on the basic text-to-voice and voice-to-text theme of TRS: • Voice Carry Over (VCO): A service that allows a person with a hearing disability to use his or her own voice to speak directly to the called party, but receive responses in text from the CA. • Hearing Carry Over (HCO): A service that allows a person with a speech disability to use his or her own hearing to listen to the called party, but to respond in text through the CA. • Speech-to-Speech (STS): A service that allows a person with a speech disability to use his or her own voice to speak to the called party through a CA specially trained to understand speech affected by a variety of disorders.The CA repeats the spoken words in a clear and understandable manner. • Shared Non-English Relay Service: The FCC requires interstate TRS providers to offer Spanish-to-Spanish traditional TRS service, i.e.,TTY-based service. Providers of other non-English, e.g., French-to-French,TRS service can be compensated from the federal TRS fund. • Captioned Telephone Service: Involves a special telephone with a text display. Rather than using TTY technology, the called party’s speech is re-voiced by the CA, converted into text by a voice recognition system, and transmitted directly to the caller’s display telephone. • Video Relay Service (VRS): A service that allows persons whose primary language is American Sign Language (ASL) to communicate with the CA in sign language using videoconferencing equipment and an Internet Protocol (IP) based connection over the Internet. • IP Relay: A text-based service that uses the Internet rather than a traditional public switched telephone network (PSTN) connection to communicate with the CA. • IP Captioned Telephone Service: A hybrid service that uses the Internet for the text-based portion of the call, but allows the CA to simultaneously listen to one party and read the text of the other party. TRS is funded through the Universal Service Fund (USF) and is administered by the National Exchange Carrier Association (NECA). See also Internet, IP, NECA, PSTN, TTY, and USF. |
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