Patents by Inventor Leticia Garcia Johnson

Leticia Garcia Johnson 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).

  • Patent number: 8593993
    Abstract: The present invention is directed to a method and apparatus for learning call routing information in a communication system. A switching architecture is presented. The switch may be implemented in a centralized architecture or a distributed architecture. In addition, the switch may be implemented in a variety of networks such as a circuit-switched network or a packet-switched network. The switch includes a policy server and a self-learning application server. The policy server includes routing information for routing calls across the switch. The routes for incoming and outgoing calls are analyzed as they pass through the switch. The self-learning application server uses artificial intelligence techniques and caching algorithms to learn new more-efficient routing paths or initial routing paths based on the incoming and outgoing calls. The self-learning application server then updates the policy server with the new learned routes.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: November 26, 2013
    Assignee: AT&T Intellecutal Property II, L.P.
    Inventors: Christine Yu-sha Clou Clark, Sekar Ganesan, Leticia Garcia Johnson, Richard J Sullivan
  • Publication number: 20130010946
    Abstract: The present invention is directed to a method and apparatus for learning call routing information in a communication system. A switching architecture is presented. The switch may be implemented in a centralized architecture or a distributed architecture. In addition, the switch may be implemented in a variety of networks such as a circuit-switched network or a packet-switched network. The switch includes a policy server and a self-learning application server. The policy server includes routing information for routing calls across the switch. The routes for incoming and outgoing calls are analyzed as they pass through the switch. The self-learning application server uses artificial intelligence techniques and caching algorithms to learn new more-efficient routing paths or initial routing paths based on the incoming and outgoing calls. The self-learning application server then updates the policy server with the new learned routes.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: AT&T Corp.
    Inventors: CHRISTINE YU-SHA CHOU CLARK, SEKAR GANESAN, LETICIA GARCIA JOHNSON, RICHARD J. SULLIVAN
  • Patent number: 8305926
    Abstract: The present invention is directed to a method and apparatus for learning call routing information in a communication system. A switching architecture is presented. The switch may be implemented in a centralized architecture or a distributed architecture. In addition, the switch may be implemented in a variety of networks such as a circuit-switched network or a packet-switched network. The switch includes a policy server and a self-learning application server. The policy server includes routing information for routing calls across the switch. The routes for incoming and outgoing calls are analyzed as they pass through the switch. The self-learning application server uses artificial intelligence techniques and caching algorithms to learn new more-efficient routing paths or initial routing paths based on the incoming and outgoing calls. The self-learning application server then updates the policy server with the new learned routes.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: November 6, 2012
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Christine Yu-sha Chou Clark, Sekar Ganesan, Leticia Garcia Johnson, Richard J. Sullivan
  • Publication number: 20040042469
    Abstract: The present invention is directed to a method and apparatus for learning call routing information in a communication system. A switching architecture is presented. The switch may be implemented in a centralized architecture or a distributed architecture. In addition, the switch may be implemented in a variety of networks such as a circuit-switched network or a packet-switched network. The switch includes a policy server and a self-learning application server. The policy server includes routing information for routing calls across the switch. The routes for incoming and outgoing calls are analyzed as they pass through the switch. The self-learning application server uses artificial intelligence techniques and caching algorithms to learn new more-efficient routing paths or initial routing paths based on the incoming and outgoing calls. The self-learning application server then updates the policy server with the new learned routes.
    Type: Application
    Filed: September 4, 2002
    Publication date: March 4, 2004
    Inventors: Christine Yu-sha Chou Clark, Sekar Ganesan, Leticia Garcia Johnson, Richard J. Sullivan
  • Patent number: 6252943
    Abstract: A telephone network includes one or more end office switches not directly connected by a trunk line to a 911-type emergency tandem switch to handle emergency telephone calls. For those end office switches not so connected, a received emergency “9-1-1”-type telephone call is routed to a gateway switch having a trunk line connected to the emergency tandem. In the network, a first gateway switch connected to the emergency tandem switch provides the primary link, while a second gateway switch connected to the emergency tandem switch provides the secondary link. Routing information resident in end office switches is sent to the switch network to facilitate proper handling of an emergency call. The disclosed telephone network allows for less than full connectivity between gateway switches and an emergency tandem switch, while still providing a measure of redundancy to help ensure that an emergency call is completed.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: June 26, 2001
    Assignee: AT&T Corp
    Inventors: Leticia Garcia Johnson, Eugene M. Kancianic, Maria Walsh, Walter Paul Zahray
  • Patent number: 5905791
    Abstract: An interexchange carrier (IXC) switch and an associated database route qualified calls dialed to local service provider (LSP) subscribers onto interconnecting facilitiies with local access settlement rates, thereby allowing a local rather than toll cost structure. The IXC switch and associated database operate with existing toll features including those features which translate a private dialed number into a public number. The IXC switch and associated database classify the call into a jurisdictional classification from a customer billing and feature application perspective, and from a routing perspective independent of the customer billing and feature application classification. The jurisdictional classification can include, example, local, toll, interLATA toll or intraLATA toll.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: May 18, 1999
    Assignee: AT&T Corp.
    Inventors: Anurag Goel, Nadine A. Guillaume, Leticia Garcia Johnson, Robert Yaeger Peters Jr., Theodore Homer Vagelos, Walter Paul Zahray