1
Wayne A Davidson, Diana S Winter: Automated call handling apparatus. AT&T Bell Laboratories, Peter Visserman, Werner Ulrich, June 11, 1991: US05023868 (227 worldwide citation)

A computer connected to an ISDN switch via an ISDN digital subscriber line, has shared cell appearances with a number of telephone stations connected to the switch and on the basis of shared call appearance associated messages from the switch, controls the forwarding of calls directed to the station ...


2
Davidson Wayne Alan, Winter Diana Schlag: Automated call handling apparatus.. American Telephone & Telegraph, July 4, 1990: EP0376525-A2 (3 worldwide citation)

A computer connected to an ISDN switch via an ISDN digital subscriber line, has shared call appearances with a number of telephone stations connected to the switch and on the basis of shared call appearance associated messages from the switch, controls the forwarding of calls directed to the station ...


3
Davidson Wayne Alan, Winter Diana Schlag: Appareil dacheminement automatique des appels, Automated call handling apparatus. American Telephone And Telegraph Company, KIRBY EADES GALE BAKER, February 15, 1994: CA2005116

AbstractA computer connected to an ISDN switch via an ISDN digital subscriberline, has shared call appearances with a number of telephone stations connected tothe switch and on the basis of shared call appearance associated messages from theswitch, controls the forwarding of calls directed to the st ...