Patents by Inventor Christopher Vestal

Christopher Vestal 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).

  • Method and apparatus for detecting a network impairment using call detail records
    Patent number: 8908558
    Abstract: A method and system for monitoring a packet network by using call detail records (CDRs) are disclosed. The method first receives at least one call detail record (CDR) at a completion of a call from at least one voice gateway router that serviced said call and analyzes said at least one CDR. The method then monitors at least one performance parameter in accordance with said at least one CDR.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: December 9, 2014
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Howard Lang, Jeff Boni, Byron Johnson, Herman Lee, John Lee, John H. Mayr, Mark Peter Nordberg, Ker-Ren Tu, Christopher Vestal
  • Method and apparatus for monitoring a packet network
    Patent number: 8908557
    Abstract: A method and system for enabling a network service provider to monitor a packet network by using call detail records (CDRs) are disclosed. The method first detects a termination of a call by at least one voice gateway router and generates a call detail record (CDR) at said termination of said call by said at least one voice gateway router. The method then forwards said call detail record by said at least one voice gateway router to at least one CDR collecting and analysis server.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: December 9, 2014
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Howard Lang, Jeff Boni, Byron Johnson, Herman Lee, John Lee, John H. Mayr, Mark P. Nordberg, Ker-Ren Tu, Christopher Vestal
  • METHOD AND APPARATUS FOR DETECTING A NETWORK IMPAIRMENT USING CALL DETAIL RECORDS
    Publication number: 20130322263
    Abstract: A method and system for monitoring a packet network by using call detail records (CDRs) are disclosed. The method first receives at least one call detail record (CDR) at a completion of a call from at least one voice gateway router that serviced said call and analyzes said at least one CDR. The method then monitors at least one performance parameter in accordance with said at least one CDR.
    Type: Application
    Filed: August 5, 2013
    Publication date: December 5, 2013
    Applicant: AT&T Intellectual Property II, L.P.
    Inventors: Howard Lang, Jeff Boni, Byron Johnson, Herman Lee, John Lee, John H. Mayr, Mark Peter Nordberg, Ker-Ren Tu, Christopher Vestal
  • METHOD AND APPARATUS FOR MONITORING A PACKET NETWORK
    Publication number: 20130272154
    Abstract: A method and system for enabling a network service provider to monitor a packet network by using call detail records (CDRs) are disclosed. The method first detects a termination of a call by at least one voice gateway router and generates a call detail record (CDR) at said termination of said call by said at least one voice gateway router. The method then forwards said call detail record by said at least one voice gateway router to at least one CDR collecting and analysis server.
    Type: Application
    Filed: June 11, 2013
    Publication date: October 17, 2013
    Inventors: HOWARD LANG, JEFF BONI, BYRON JOHNSON, HERMAN LEE, JOHN LEE, JOHN H. MAYR, MARK P. NORDBERG, KER-REN TU, CHRISTOPHER VESTAL
  • Method and apparatus for detecting a network impairment using call detail records
    Patent number: 8503313
    Abstract: A method and system for monitoring a packet network by using call detail records (CDRs) are disclosed. The method first receives at least one call detail record (CDR) at a completion of a call from at least one voice gateway router that serviced said call and analyzes said at least one CDR. The method then monitors at least one performance parameter in accordance with said at least one CDR.
    Type: Grant
    Filed: December 31, 2006
    Date of Patent: August 6, 2013
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Howard Lang, Jeff Boni, Byron Johnson, Herman Lee, John Lee, John H. Mayr, Mark P. Nordberg, Ker-Ren Tu, Christopher Vestal
  • Method and apparatus for monitoring a packet network
    Patent number: 8477637
    Abstract: A method and system for enabling a network service provider to monitor a packet network by using call detail records (CDRs) are disclosed. The method first detects a termination of a call by at least one voice gateway router and generates a call detail record (CDR) at said termination of said call by said at least one voice gateway router. The method then forwards said call detail record by said at least one voice gateway router to at least one CDR collecting and analysis server.
    Type: Grant
    Filed: December 31, 2006
    Date of Patent: July 2, 2013
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Howard Lang, Jeff Boni, Byron Johnson, Herman Lee, John Lee, John H. Mayr, Mark P. Nordberg, Ker-Ren Tu, Christopher Vestal