Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent
1990-04-23
1993-06-22
Brown, Thomas W.
Telephonic communications
Audio message storage, retrieval, or synthesis
Multilingual system or operation
379 89, 379196, 379201, 379209, 379216, H04M 150, H04M 166, H04M 350, H04M 1108
Patent
active
052221202
ABSTRACT:
A long distance telephone switching system is adapted to provide various enhanced subscriber services, such as an audio news and information service, conference calling, voice messaging, message storage and forwarding, and speed dialing, in addition to conventional long distance calling. Additional improvements include the use of prerecorded opening and closing scripts to facilitate the handling of operator-assisted calls, the retrieval of stored subscriber billing data prior to each call reorigination in order to detect instances of possible abuse, and the concatenation of subscriber-input authorization codes with access number data to allow the use of shorter authorization codes by the subscribers.
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Feltz Kristi T.
Hanson Van E.
Hogan Steven J.
McLeod Clark E.
Murdock Douglas R.
Austin Ormand R.
Brown Thomas W.
MCI Communications Corporation
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