American Teleconferencing Services, Ltd.

Andrew Dionysius Ghinaudo

Randolph J Leigh

J Douglas Martin

Robert G Fries

Douglas J Martin

A VoIP-based conferencing system readily handles different protocols, load balance media resources and deals with fail-over situations. The VOIP conferencing system has a gateway coupled to the PSTN (Public Switched Telephone Network). A Voice Server Director (VSD) is coupled to the gateway and performs the control function of the conferencing system. The VSD has a back-to-back user agent. The VSD controls a media server, which mixes the audio (signals), and the media server receives the data portion of a conference call from the gateway. The media server is coupled to a bridge that controls an on-going conference.

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Colorado Springs, CO, United States of America

Andrew Dionysius Ghinaudo