Green Hills assists customers with disabilities who are vision- or hearing-impaired, have mobility, cognitive, or other disabilities. If you are a Green Hills Telephone Corporation, Green Hills Telecommunications Services, or Citizens Telephone customer with a disability, we can design communications solutions for you and determine whether you qualify for service discounts. We will also help you with service orders, repair services, and billing questions.

Telecommunications Relay Service

Relay is a free communications service that connects individuals who are deaf, hard of hearing, or have speech disabilities with others using standard telephone equipment or telephone equipment designed for individuals with disabilities. To use Relay, simply dial 7-1-1. A specially trained Communications Assistant (CA) will answer your call and relay the telephone conversation between you and the party you are calling. All call information and conversations are confidential. Relay service is available 24 hours per day, 365 days a year. Long distance calls placed for you can be billed to your existing long-distance service calling plan, collect, or with use of pre-paid calling card, carrier-calling card, or third-party billing. See “Types of Telecommunications Relay Services” below to get familiar with what MoRelay offers. Visit for more information.

Telecommunications Access Program (TAP)

TAP provides adaptive telephone equipment that may work with Relay Missouri including TTYs, TTYs for HCO, and VCO/Caption telephones. There are certain eligibility requirements to qualify. Visit for more information.

Types of Telecommunication Services MoRelay offers:

CapTel is for individuals with significant hearing loss who are able to use their own voice, but are unable to effectively use amplification for phone communications.

WebCapTel is much like the CapTel phone service, but reduces the need for special equipment. All you need is a phone and a computer with an internet connection.

Voice is available for hearing people to easily initiate calls to any type of relay users.

Speech to Speech is for hearing people with speech disabilities. Specially trained relay operators serve as the speech-disabled user’s voice and repeat his/her responses to the called party.

Voice Carry Over is for individuals with significant hearing loss to use their own voice to speak directly to hearing people and read text from the other caller.

Hearing Carry Over (HCO) allows hearing people with speech loss to listen to the person they are calling. The HCO user types his/her conversation for the operator to voice to your caller. Sprint IP Relay allows you to place a relay call from any internet connection with a computer or wireless device that has AOL Instant Messenger access.

TTY allows a person who is deaf, hard of hearing, deaf-blind or speech-disabled to use a TTY to type his/her conversation to an operator. The operator then reads the typed conversation to a hearing person. Then the operator relays the hearing person’s spoken words by typing them back to the TTY user.