System for verifying the identity of a caller in a telecommunica

Details System for verifying the identity of a caller in a telecommunica System for verifying the identity of a caller in a telecommunica

1991-01-11

1993-12-28

Dwyer, James L.

Telephonic communications

Audio message storage, retrieval, or synthesis

Multilingual system or operation

379 89, 379112, 379201, 379245, 379 91, 379189, H04M 164

Patent

active

052746950

ABSTRACT:
A system (10) for verifying the identity of a caller in a telecommunications network uses a voice-responsive control device (28) to compare spoken utterances of callers with previously stored voice templates. In preferred forms, the caller speaks an utterance of an identification number which is decoded independently of the speaker thereof and then used to retrieve corresponding voice template identified thereby. In other preferred forms, the ANI of a calling station (18) is delivered to the control device which uses the ANI to retrieve the caller's voice template identified thereby.

REFERENCES:
patent: Re31188 (1983-03-01), Pirz et al.
patent: Re32012 (1985-10-01), Pirz et al.
patent: 4092493 (1978-05-01), Rabiner et al.
patent: 4348550 (1982-09-01), Pirz et al.
patent: 4853952 (1989-08-01), Jachmann et al.
patent: 4896346 (1990-01-01), Belfield et al.
patent: 4922522 (1990-05-01), Scanlon
patent: 4954958 (1990-09-01), Savage et al.
patent: 5018736 (1991-05-01), Pearson et al.
patent: 5127043 (1992-06-01), Hunt et al.
Article "Using Cepstral Features in Speaker Verification"; by M. Birnbaum et al.; AT&T Information Systems.
Article "Password Controlled Switching System"; by Belfield et al.

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