A phone relay system for the hearing impaired which can be utilized by the hearing to communicate with the deaf client. Illinois numbers are 1-800-526-0844 for the hearing impaired and 1-800-526-0857 for voice.
A device that allows a user to transmit typed-in messages over phone lines.
a modern term for Telephone Device for the Deaf.
Telecommunication for the Deaf
Telecommunications Device for the Deaf
Device that allows the deaf, hard of hearing or speech impaired to make telephone calls. Essentially a TDD is a word processor with a modem. (a.k.a. text telephones)
teletype device for the deaf
a text telephone used for communicating in typed text over a phone line. A TDD has a keyboard and text display or small printer. Both parties who are communicating over a phone line must have TDDs.
Tone Dialing for the Deaf/Teletype, a method by which the hearing impaired can type messages over normal phone lines using special equipment.