Patents by Inventor Alice CARLSON

Alice CARLSON has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • FAULT TOLERANT ATM-BASED DISTRIBUTED VIRTUAL TANDEM SWITCHING SYSTEM AND METHOD
    Publication number: 20070286200
    Abstract: A System and method for reducing and surviving failures in a voice trunking over ATM (VTOA) environment includes a CS-IWF complex having a plurality of interconnected CS-IWF units, each unit having a plurality of processors. An end office building may also be provided for interaction with the VTOA system. The end office building includes multiple T-IWFs, and a switch that distributes calls among the T-IWFs in a load sharing manner. Each T-IWF has a plurality of processors and is part of the VTOA system. A switch management system is also provided in the VTOA system. In order to reduce and survive failures, the switch management system includes a plurality of switch management system units. At least one of the switch management system units is a backup unit for a primary switch management system unit. Each switch management system unit provides application redundancy within itself.
    Type: Application
    Filed: April 24, 2007
    Publication date: December 13, 2007
    Applicant: AT&T LABS, INC.
    Inventors: Haifeng BI, George ALLEN, Randy BEAMON, Alice CARLSON, Weijing CHEN, Janice DOERNER, Mehran ESFANDIARI, Gary GIBBONS, Paul KASCHUBE, Bruce NANCE, John PINCH, Tina SIGARTO, Barbara SMITH, Matthew STAFFORD, George YOUNG