Hearing Carry-Over [HCO]

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A call type method used by people who have difficulty speaking, but have no difficulty hearing voice. A less common call type than Voice Carry-Over (VCO), the HCO allows a speech-impaired person to type messages on a TTY (which are voiced by the relay operator) and then pick up the handset and listen to the other person’s response.

Related Articles:
  • Glossary: Voice Carry-Over [VCO]
    A call type method that allows an individual who is deaf or hard of hearing to use his or her voice while receiving responses from a hearing person via text typed by the relay operator (also known as communication assistant or relay agent). VCO, a more common call type than Hearing Carry-Over(HCO), has many variations, including 2-Line VCO.
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