Arrangement for intentionally blocking telephone calls to predefined destination numbers but allowing such blocking to be selectively overridden
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United States of America Patent
Stats
-
Apr 28, 1992
Grant Date -
N/A
app pub date -
Nov 30, 1989
filing date -
Nov 30, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A call processing embodiment where customers are offered, in addition to the conventional office dialing plan, a special dialing plan where received numbers are processed such that a query of a database is defined when a prespecified access code, e.g., *66, is received, for example followed by a destination number, but where call blocking is defined for a predefined plurality of destination numbers, e.g., all destination numbers beginning with 976 or 1-900 or all destination numbers beginning with 1, when such numbers are received without the prespecified access code. Illustratively, the database query may result in the customer being prompted for a personal identification number (PIN) and accordingly 976 or 1-900 access is thereby limited to those knowing the PIN. The database may perform other call screening and call management operations such as time of day or day of week screening or limiting the number or cost of 976 calls in a given time period.
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