English
中文简体Telecommunication relay services are a critical link between hearing and speech impaired people. They allow deaf and hearing people to communicate with any phone user. Whether a person needs a voice-to-voice, voice-to-text, or text-to-voice service, these services are available.The telecom relay services market is segmented on the basis of technology, region, type, application, and end-user.
A telecommunication relay service is an operator service that places calls to a standard telephone user through the use of an assistive device. Such devices include the TTY, the Dialpad, and a captioned telephone. Depending on the type of call, a relay center relays the call back and forth between the parties.These services are offered to a wide variety of consumers. Typically, a relay center is used to relay messages between hearing-impaired customers with a TDD, or Telecommunication Devices for the Deaf.
However, a relay service can also provide communication between hearing and non-TTY users. For example, the TTY enables a deaf or hard-of-hearing individual to send text messages and to receive messages from a voice user.Another common form of telecommunication relay service is a text-to-voice service, wherein a person with a disability can type a call using a teletypewriter, and then a communications assistant reads the text on a display screen. In addition, a person with a disability can also speak directly to another party by using the MMX (Multimedia Messaging Exchange) platform. This service has been in use around the world since 2001.
