Santa Barbara, California-based Advanced Computer Communications Inc and Tandem Computers Inc’s Ungermann-Bass in Santa Clara have signed marketing and technology agreements under which Ungermann-Bass customers will be provided with internetworking features that complement its existing product line, combining Advanced’s multiprotocol bridge-router technology with Ungermann-Bass’ Access/One intelligent wiring hub; Ungermann also committed to a multimillion-dollar purchase of new and existing Advanced Computer bridge-routers.