Patents by Inventor Jagjiwan Virk

Jagjiwan Virk 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).

  • System and method to identify and associate call legs in session initiation protocol back to back user agents
    Patent number: 8073124
    Abstract: A system and method for simplifying Session Initiation Protocol (“SIP”) Back To Back User Agent (“B2BUA”) development by associating different call legs with each other across multiple SIP entities. Call legs may be associated with one another through a common or shared identification.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: December 6, 2011
    Assignee: Siemens Enterprise Communications, Inc.
    Inventors: Alexandre Chatilov, Jeffrey M. Blohm, Shakil Malhotra, Jagjiwan Virk
  • Presence system with proximity presence status
    Patent number: 7907955
    Abstract: A presence information system reports proximity presence status to presence subscribers. The proximity presence status conveys how far an individual is from a phone, computer, or any other endpoint through which the individual communicates, how far the individual is from a presence information server which tracks presence changes, or how far the individual is from any other location, such as an office or a conference room. The proximity presence status supplements static presence states such as ‘Online’ and ‘Offline’. As a result, the proximity presence status helps to provide a more accurate picture of the true presence status of an individual. The presence information system may also track and report proximity presence status of mobile users. The mobile user proximity presence status may be derived from cellular position data obtained from a cellular service provider.
    Type: Grant
    Filed: February 7, 2006
    Date of Patent: March 15, 2011
    Assignee: Siemens Enterprise Communications, Inc.
    Inventors: Jagjiwan Virk, Satish Singh
  • Method and system for implementing a stateless back to back user agent
    Patent number: 7756115
    Abstract: A method for providing a stateless Session Interface Protocol (SIP) back to back user agent (B2BUA) comprising receiving a SIP message and determining if the SIP message is a SIP request. The SIP request further comprises a request to create an original SIP dialog or a request for an existing SIP dialog. Method further comprises determining if the SIP message is a SIP response. The SIP response may further comprise a provisional SIP response or a final SIP response. Method is suitable for transforming the SIP request, transforming the SIP response, transmitting the transformed SIP request to a new destination, and transmitting the transformed SIP response to a request originator.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: July 13, 2010
    Assignee: Siemens Enterprise Communications, Inc.
    Inventors: Alexandre Chatilov, Jeffrey Blohm, Ting Zhu, Jagjiwan Virk
  • Method and system for implementing a stateless back to back user agent
    Publication number: 20080080525
    Abstract: A method for providing a stateless Session Interface Protocol (SIP) back to back user agent (B2BUA) comprising receiving a SIP message and determining if the SIP message is a SIP request. The SIP request further comprises a request to create an original SIP dialog or a request for an existing SIP dialog. Method further comprises determining if the SIP message is a SIP response. The SIP response may further comprise a provisional SIP response or a final SIP response. Method is suitable for transforming the SIP request, transforming the SIP response, transmitting the transformed SIP request to a new destination, and transmitting the transformed SIP response to a request originator.
    Type: Application
    Filed: September 29, 2006
    Publication date: April 3, 2008
    Inventors: Alexandre Chatilov, Jeffrey Blohm, Ting Zhu, Jagjiwan Virk
  • Presence system with proximity presence status
    Publication number: 20070182546
    Abstract: A presence information system reports proximity presence status to presence subscribers. The proximity presence status conveys how far an individual is from a phone, computer, or any other endpoint through which the individual communicates, how far the individual is from a presence information server which tracks presence changes, or how far the individual is from any other location, such as an office or a conference room. The proximity presence status supplements static presence states such as ‘Online’ and ‘Offline’. As a result, the proximity presence status helps to provide a more accurate picture of the true presence status of an individual. The presence information system may also track and report proximity presence status of mobile users. The mobile user proximity presence status may be derived from cellular position data obtained from a cellular service provider.
    Type: Application
    Filed: February 7, 2006
    Publication date: August 9, 2007
    Inventors: Jagjiwan Virk, Satish Singh
  • System and method for sending a message to one or more destinations
    Publication number: 20050071434
    Abstract: Embodiments provide a system, methods, apparatus, means, and computer program code for sending a message to one or more destinations.
    Type: Application
    Filed: September 29, 2003
    Publication date: March 31, 2005
    Inventors: Mark Hettish, Jagjiwan Virk