Patents by Inventor Steven A. Siegal

Steven A. Siegal 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).

  • Initiating a Central Server-Directed Communication Session from an In-Progress Half Call Model Communication Session
    Publication number: 20140143433
    Abstract: A particular method includes receiving a signal to invoke a central server-directed service from a first communication device at a session initiation protocol application device. The first communication device is coupled to at least one second communication device via a pathway of a half call model communication session. The method includes sending first instructions to the first communication device via the session initiation protocol device in response to the signal. The first instructions enable the first device to access the central server-directed service. The method also includes sending second instructions to the at least one second device via the session initiation protocol device in response to the signal. The second instructions enable the at least one second communication device to access the central server-directed service.
    Type: Application
    Filed: November 19, 2012
    Publication date: May 22, 2014
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Steven A. Siegal, Reuben Klein, Karen Mullis