Communicating using IP addressing for redundant telephony...

Details Communicating using IP addressing for redundant telephony... Communicating using IP addressing for redundant telephony...

2005-11-29

2005-11-29

Nguyen, Hanh (Department: 2662)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S219000, C370S352000, C370S389000

Reexamination Certificate

active

06970471

ABSTRACT:
The present invention provides for efficient and reliable IP addressing in redundant telephony modules where an active one of the redundant modules must communicate using a common IP address. An addressing methodology is provided wherein an active module in a node assumes and uses an active IP address for the node. The inactive module may assume and use an inactive IP address for communication directed to the inactive module within the node.

REFERENCES:
patent: 5796742 (1998-08-01), Klotzbach et al.
patent: 5907610 (1999-05-01), Onweller
patent: 6356622 (2002-03-01), Hassell et al.
patent: 6366561 (2002-04-01), Bender
patent: 6618377 (2003-09-01), Miriyala
patent: 6640314 (2003-10-01), Lelaure et al.

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