Patents Assigned to American Bell, Inc.
  • Patent number: 4509167
    Abstract: An arrangement for conferencing a plurality of data terminals via a data conference bridge. The bridge includes apparatus for negotiating a common set of communication parameters when data terminals having differing capabilities are connected to the same conference. All terminals connected to an existing conference must agree to accept any differing capabilities of a data terminal about to join the conference or the new terminal will be rejected.
    Type: Grant
    Filed: August 5, 1983
    Date of Patent: April 2, 1985
    Assignees: AT&T Bell Laboratories, American Bell, Inc.
    Inventors: Richard G. Bantel, Diane E. Herr