Patents Assigned to VMC Systems, Inc.
  • PBX system communications device
    Patent number: 5222124
    Abstract: A PBX communications device is disclosed. The PBX communications device permits communication between a PBX and an adjunct processor. The present invention uses direct communications with a PBX line card as the source of information for the adjunct processor and translates the information to a form usable by the adjunct processor.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: June 22, 1993
    Assignee: VMC Systems, Inc.
    Inventors: Mario Castaneda, Harold H. Oshima