Interfacing between independent voice mail system and exchange
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United States of America Patent
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-
Dec 1, 1998
Grant Date -
N/A
app pub date -
Sep 24, 1996
filing date -
Sep 29, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An interfacing apparatus, which allows communication between an exchange and an independent voice mail system using a serial transmission interface device includes: a switching unit for performing a switching function for the formation of a communication path between a subscriber of the exchange and an independent voice mail system; a serial transmission interface connected to the switching unit for serially transmitting an input call message and for performing interfacing operations; an independent voice mail system connected to the serial transmission interface for rendering service of various voice guiding messages based on the call message, and a central processing unit for controlling the switching unit and serial transmission interface and for controlling the transmission of a call message to the independent voice mail system via the serial transmission interface when the call message is received in the independent voice mail system.
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