Method and apparatus for intelligent network call handling in a telephone exchange
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United States of America Patent
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Mar 21, 2000
Grant Date -
N/A
app pub date -
Jun 3, 1997
filing date -
Jun 3, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for operating on intelligent network calls in a telephone exchange with multiple access subsystems and an interconnection subsystem is provided. A list of intelligent network criteria is stored in each access subsystem. When an incoming call is received the access subsystem determines whether the incoming call matches one of the intelligent network criteria stored in the access subsystem. If a match occurs the access subsystem performs an intelligent network function. Intelligent network function may include filtering the call. If filtering is to occur a filtering method associated with the matched active filtering criteria is applied to determine whether a call should be blocked as a function of the filtering method.
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