Customer premises equipment call re-routing technique

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching

Reexamination Certificate

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Details

C370S401000, C370S254000

Reexamination Certificate

active

06907031

ABSTRACT:
A call from a calling party (12) is routed to at least one called party (14, 16, and18) in accordance with the network preference of the calling party while taking into account the network capability of the called party. The calling party initiates an attempt to the called party over a preferred network (32) by first querying a database (40) containing records, each indicating the network capability of a corresponding called party. If the called party has the capability of receiving a call on the preferred network, the call is routed over that network. Otherwise, the call is routed over an alternate network (30) on which the called party has the capability of receiving a call.

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patent: 6064727 (2000-05-01), Levy
patent: 6185204 (2001-02-01), Voit
patent: 6253249 (2001-06-01), Belzile
patent: 6282192 (2001-08-01), Murphy et al.
patent: 6304565 (2001-10-01), Ramamurthy
patent: 6330316 (2001-12-01), Donak et al.
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patent: 6389005 (2002-05-01), Cruickshank
patent: 6510219 (2003-01-01), Wellard et al.
patent: WO 99/05590 (1999-02-01), None

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