Itxc IP Holdings S.a.r.l.

Itxc, Inc.

James E Yu

Tom Evslin

Galeal Zino

Roy Ho

Jay Meranchik

Thomas C Shoemaker

Bradley Miller

Edward Hirschman

A method and apparatus for completing call or contacts over a network based upon an identifier. The contacting party sends a message requesting contact with the contacted party, and the system locates the contacted party via a data network or telephone address specified preferably by the contacted party.

Integrated network

A method and apparatus for optimizing routing through a data network is disclosed. Plural simulations are run on various links between network routers, and a central location may be used to compile the information from the links and calculate parameters of paths through the network. A graphical user interface to specify parameters of the simulations is also provided.

Method and apparatus for optimizing transmission of signals over a packet switched data network

In some embodiments, the present invention provides a distributed monitoring, evaluation and routing (&ldquo;DiMER&rdquo;) system that provides active management of a data-network based telephony networks. Such a system, and data-network-based telephony networks incorporating the same, advantageously route calls to meet call-quality standards and/or cost goals, among other targets. To meet such quality standards, the system periodically obtains call-related data, analyzes the data, and revises call routing, as appropriate, by shifting or reallocating call traffic between available terminating gateways (based on their performance).

Article comprising a distributed call monitoring, evaluation and routing system and method therefor

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Homdel, NJ, United States of America

James E Yu