Gatekeeper simulator in a LAN telephony system

Details Gatekeeper simulator in a LAN telephony system Gatekeeper simulator in a LAN telephony system

2005-05-24

2005-05-24

Pezzlo, John (Department: 2662)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S352000, C379S088170

Reexamination Certificate

active

06898188

ABSTRACT:
An apparatus for and a method of simulating the functionality of the gatekeeper in a LAN telephony system. The gatekeeper simulator of the present invention enables tester personnel to manually control the behavior of the gatekeeper and its environment. The gatekeeper simulation platform utilizes a commonly available computing platform such as a personal computer (PC) adapted so as to have a LAN connection interface such as a commonly available Network Interface Card (NIC), IP communication stack and an H.323 protocol stack. A gatekeeper simulation software application runs over the IP communication stack and H.323 protocol stack which together constitute a LAN telephony platform. The gatekeeper simulator is adapted to simulate any desired request supported by the H.323 protocol suite. In addition, it is adapted to simulate all possible responses to a request as well. Further, it is adapted to simulate the responses selectively and individually for each specific user in the network. In addition, the simulator comprises a pre-programmed address translation table (i.e. IP phone table) that can be configured and programmed by a user to contain the same information it would have contained as a result of IP phones having been registered.

REFERENCES:
patent: 6229804 (2001-05-01), Mortsolf et al.
patent: 6487196 (2002-11-01), Verthein et al.
patent: 6636508 (2003-10-01), Li et al.

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