Router having a security function
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United States of America Patent
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Jul 20, 1999
Grant Date -
N/A
app pub date -
Mar 25, 1997
filing date -
Apr 9, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A router having a security function is provided for connecting a local area network (LAN) of a first local area through an interface network to other LAN's of other local areas, the router includes an ID register for preliminarily registering calling-party discrimination codes, and a discriminator for responding to an incoming call only when a calling-party discrimination code incoming through the interface network is determined to be identical to one of the registered calling-party discrimination codes in the ID register, wherein the discrimination code of a calling party from another LAN of another local area is checked to allow only an input from a registered calling party to be connected.
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