Telecommunications Relay Services and Assistive TechnologiesFCC

LSDHH Relay Services

Telecommunications Relay Service (TRS) is a telephone service that allows persons with hearing or speech disabilities to place and receive telephone calls. There are several forms of TRS, depending on the particular needs of the user and the equipment available.  For an explanation of each of the different types of services listed below please go to the FCC website.

For a list of companies that provide access to each type of relay service please click on the appropriate link below.

Text-to-Voice TTY-based TRS (“Traditional”  /  7-1-1 / Tennessee Relay Service)
(Includes Voice Carry Over, Hearing Carry Over Services, and Speech-to-Speech (STS) Relay Services)
T-Mobile Relay Services
Speech-to-Speech (STS) Relay Services:
Hamilton Relay
T-Mobile Speech-to-Speech Relay

Shared Non-English Language Relay Services
CSDVRS Video Relay Service
Global VRS
Hamilton Relay - Spanish Relay
Purple Communications Video Relay Service
Sorenson Video Relay Service
T-Mobile Spanish Relay Service

Captioned Telephone Relay Services
Hamilton CapTel
Sprint CapTel and Web CapTel

Video Relay Service (VRS)
Convo Relay
Global VRS
LifeLinks Video Relay Service   
Purple Communications Video Relay Service      
Sorenson Communications Video Relay Service   
ZVRS Video Relay Service

Assistive Hearing Technology Companies

Advanced Bionics- Cochlear Implants

Cochlear Americas- Cochlear Implants

Med El- Cochlear Implants

Hansaton- Hearing Aids

Oticon- Hearing Aids

Phonak- Hearing Aids

Resound- Hearing Aids

Signia Hearing Aids

Starkey- Hearing Aids

Unitron- Hearing Aids

Widex- Hearing Aids

Accessible Wireless Devices



Speech to Text Apps

Video Messaging Apps

Sound Apps