
Hearing and Speech Communication Services and Devices
There are two types of telecommunication relay services: voice carry-over (VCO) and hearing carry-over (HCO). With VCO, the caller speaks directly to the other person, but reads the response typed by the CA. With HCO, the caller listens to the other caller, but types his or …
Telecommunications relay service - Wikipedia
Many other call type variations are possible, including VCO to VCO, HCO to HCO, HCO to TTY, and VCO to TTY. Fundamentally, relay services have the ability to connect any two callers with different abilities over the telephone network.
What does TTY mean on a phone and how to use it
Oct 6, 2024 · TTY mode includes several settings: TTY Full, TTY HCO (Hearing Carry Over), and TTY VCO (Voice Carry Over). TTY Full allows for text-only communication, while TTY HCO and VCO allow for a...
Telecommunications Relay Services - NIDCD
A TRS offers two options: voice carry-over (VCO) and hearing carry-over (HCO). VCO allows a person with a hearing impairment to speak directly to the other party and then read the response typed by a CA.
9-1-1 and Emergency Communications Services - ADA.gov
Who uses VCO and HCO? VCO (voice carryover) is often used by persons who become deaf or hard of hearing later in life and prefer to speak instead of type. HCO (hearing carryover) is often used by persons who are not deaf or hard of hearing but have speech disabilities.
Voice & Hearing Carry Over (VCO/HCO) Telephones
A Hearing Carry Over (HCO) phone uses the TRS relay service and allows a mute or speech impaired person who can hear but not speak to listen directly to the standard telephone user’s conversation and respond by typing their text on the TTY.
CONSUMERS' GUIDE TOTELECOMMUNICATIONS RELAY SERVICE …
This type of relay call is Hearing Carry Over (HCO) because the person with a speech disability is able to "hear" the other party's voice. HCO users can type what they want to say using a special telephone, called a TTY (text telephone).
What are Telecommunications Relay Services?
Hearing Carryover (HCO): In this type of relay service, the caller can hear but has difficulty speaking. The communication assistant reads the caller's text to the called party. The caller then listens to the called party's responses.
TTY and its 3 different modes in phone (Full, VCO, and HCO)
Jun 1, 2024 · VCO Mode. In VCO (Voice Carry Over) mode, one party can use their voice while the other party communicates via text. This mode is usually used by individuals who have low hearing ability but can speak. HCO Mode. HCO (Hearing Carry Over) mode is just the opposite of VCO. In this, one party communicates via text while the other party talks using ...
How Relay Service Options Work - Hamilton Relay
VCO (Voice Carry Over) Voice Carry Over (VCO) is an effective service for people who have hearing loss and use their voice on the phone. VCO users speak directly to the person being called and, through specialized equipment, read what is spoken by the other party.