Patents by Inventor Clemens Wittinger

Clemens Wittinger 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).

  • Control of a telephone switching system over a digital information network
    Patent number: 6181691
    Abstract: A telephone switching center is controlled by a server computer (22) utilizing a Hypertext Transfer Protocol (HTTP), which is connected to a World Wide Web (WWW) network. It is proposed to provide, between a HTTP server (22) and the switching system (23), a control program (20) which enables control of a CTI application by the HTTP server (22). The proposed CTI application (20) provides an interface which uses a Universal Resource Locator (URL) specifying high level communicating functions which are independent of the respective interface (21) to the switching system or the CTI server.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: January 30, 2001
    Assignee: International Business Machines Corporation
    Inventors: Frank Markgraf, Claus Schottm{umlaut over (u)}ller, Clemens Wittinger