Patents by Inventor Simon J Warwick

Simon J Warwick 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).

  • Telecommunications systems
    Patent number: 7324634
    Abstract: A telecommunications network includes a management system for analyzing call detail records (CDR's) from terminating switches. The management system recovers CDR's by polling through switch managers which poll dependent exchanges. CDR's indicating a call clear occurring within a short predetermined time after a call answer are stored and used to indicate potentially faulty access network lines.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: January 29, 2008
    Assignee: British Telecommunications public limited company
    Inventors: Michael D Hoy, Mark A Fletcher, Alan E Cooper, Simon J Warwick
  • Telecommunications systems
    Publication number: 20040023655
    Abstract: A telecommunications network includes a management system for analysing call detail records (CDR's) from terminating switches. The management system recovers CDR's by polling through switch managers which poll dependent exchanges. CDR's indicating a call clear occurring within a short predetermined time after a call answer are stored and used to indicate potentially faulty access network lines.
    Type: Application
    Filed: January 10, 2003
    Publication date: February 5, 2004
    Inventors: Michael D Hoy, Mark A Fletcher, Alan E Cooper, Simon J Warwick