Relaying of messages between hearing impaired callers using keyb

Details Relaying of messages between hearing impaired callers using keyb Relaying of messages between hearing impaired callers using keyb

1993-11-04

1995-10-31

Chan, Wing F.

Telephonic communications

Including aid for handicapped user

379201, 34082519, H04M 1100

Patent

active

054636655

ABSTRACT:
A call between a caller using a telephone device for the deaf (TDD) and another including a TDD user is connected by automatically prompting the TDD caller for calling information, parsing the received calling information to determine a forward number, and routing the call to one of a number of communication assistants. One embodiment involves storing the forward number before routing the call so the communications assistant can press a single button to connect the call. Another embodiment entails connecting the call automatically routing the call to the communications assistant.

REFERENCES:
patent: 4888822 (1989-12-01), Weinberger et al.
patent: 5163081 (1992-11-01), Wycherley et al.
patent: 5168515 (1992-12-01), Gechter et al.
patent: 5311586 (1994-05-01), Bogart et al.
D. G. Schmitt et al, "An experimental study of synthesized speed intelligibility using text created by telecommunication device for the deaf (TDD) users", IEEE .COPYRGT.1990.

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