Method of implementing IP telephone gatekeeper group and...

Details Method of implementing IP telephone gatekeeper group and... Method of implementing IP telephone gatekeeper group and...

2002-06-06

2008-07-22

Moe, Aung S. (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S353000, C370S503000

Reexamination Certificate

active

07403534

ABSTRACT:
The present invention provides an IP telephone gatekeeper system and an implementation method thereof, characterized in that two or more individual gatekeepers are connected each other, so as to forming a gatekeeper system that can be regarded as a single gatekeeper system by the controlled gateways, in which the gatekeepers can substitute and backup mutually. A plurality of computer systems are used to realized the cooperation of a plurality of gatekeepers, for breaking through the limit of capacity of individual gatekeeper group and improving the reliability of the whole system, so that backing-up and substituting mutually can be achieved.

REFERENCES:
patent: 6229804 (2001-05-01), Mortsolf et al.
patent: 6363065 (2002-03-01), Thornton et al.
patent: 1 014 633 (2000-06-01), None
patent: 01/20846 (2001-03-01), None

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