Patents Assigned to AT+T Corp.
  • Patent number: 6396531
    Abstract: A system architecture for bypassing a local exchange carrier comprises an intelligent terminal, a residential gateway coupled to the terminal, a cable facility management platform terminating a twisted pair or coaxial cable facility and a network service platform. The platform serves both a cable headend and a telephone DSL network to enable a single service provider to provide different information content services independent of how a user actually receives the services. The twisted pair and/or coaxial cable fed, integrated residence gateway controlled intelligent terminal or set-top device provides a multiple menu heirarchy for selecting a plurality of enhanced services. The menus are implemented on a video telephone or similar device with a touch-sensitive screen display for interactively displaying video and accompanying audio signals and menu screens.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: May 28, 2002
    Assignee: AT+T Corp.
    Inventors: Irwin Gerszberg, Jeffrey S. Martin, Thomas Oplinger, Philip Andrew Treventi, Hopeton S. Walker
  • Patent number: 6374102
    Abstract: The instant invention discloses a method and system for providing a novel wireless centrex service that untethers subscribers from the immobility associated with traditional desktop telephones. Essentially, the present invention extends the benefits of wireless voice and data services to subscribers having a need to move within a plurality of localities such as business and hospital campuses. In accordance with the invention, a wireless telephone subscriber can use a standard cellular/PCS telephone as a wireless extension of their desktop phone, while in the proximity of a miniature radio base station capable of communicating with the PCS/cellular telephone. The advantage of such a system is that a subscriber can use the same cellular/PCS telephone that provides service in the public network in the wireless centrex environment. Additionally, the wireless centrex system provides services and features which are similar to those offered to regular centrex telephone subscribers.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: April 16, 2002
    Assignee: AT+T Corp.
    Inventors: Ronald J. Brachman, Yue-Chuan Chu, Kenny Xiaojian Huang, Jesse Eugene Russell