Multiplex communications – Duplex
Patent
1994-11-10
1999-12-28
Ton, Dang
Multiplex communications
Duplex
379142, H04M 156, H04M 1500
Patent
active
060090820
ABSTRACT:
An interface for personal communications systems is described which provides rapid identification of a caller and limited access based on a variety of parameters obtained from caller identification information encoded by the telephone company. The incoming telephone call information is compared to a preprogrammed access matrix to determine if the caller is authorized to access the personal communications system connected to the interface. A telephone call screening method and apparatus which incorporates the encoded caller identification is also described.
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Caswell Ty J.
Davis Jeffrey P.
Johnson Gregory R.
Reinarts Timothy J.
Sun Ting
Multi-Tech Systems, Inc.
Ton Dang
LandOfFree
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