Voice network security system

Details Voice network security system Voice network security system

1986-09-04

1989-01-10

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

380 46, 380 47, H04L 902

Patent

active

047976721

ABSTRACT:
A voice network security system is disclosed which provides improved security aspects in transmitting voice messages between remote locations for use in a business environment. The security aspects of the present invention serve to prevent unauthorized access to the transmitted messages.
A microfiche appendix (A) of one microfiche and 41 frames is included as part of the specification (3 CFR 1.96b).

REFERENCES:
patent: 4349695 (1982-09-01), Morgan et al.
patent: 4484027 (1984-11-01), Lee et al.
patent: 4503287 (1985-03-01), Morris et al.
patent: 4578532 (1986-03-01), Markwitz
patent: 4605820 (1986-08-01), Cambell, Jr.
patent: 4633037 (1986-12-01), Serpell
patent: 4634808 (1987-01-01), Moerder
patent: 4672533 (1987-06-01), Noble et al.

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