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.
« Back to Glossary IndexVoice Carry-Over [VCO]
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