Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent
1988-11-21
1990-01-23
Brown, Thomas W.
Telephonic communications
Audio message storage, retrieval, or synthesis
Multilingual system or operation
379 89, 379196, 379201, 379282, H04M 350, H04Q 304
Patent
active
048963461
ABSTRACT:
A password controlled switching system and method of operation for enrolling and storing passwords identifying lines and trunks of the switching system denied access thereto by other lines and trunks and which is operable upon a match of a calling party command with an enrolled and stored password for selectively interconnecting the calling party via a line with ones of the restricted lines and trunks.
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Belfield William R.
Erwin William J.
Geers, Jr. Thomas J.
Grubbe Roy V.
Handy Stephen W.
American Telephone and Telegraph Company AT&T Bell Laboratories
Brown Thomas W.
Marshall Dwight A.
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