1
Charles C Hayden: Graphics based call management. American Telephone & Telegraph, AT&T Information Systems, David H Tannenbaum, March 24, 1987: US04653090 (151 worldwide citation)

There is disclosed a method of setting up, manipulating, and taking down communication connections. The telephone instrument would include a graphics screen, such as a PC, and a series of call appearance boxes would be represented on the screen. Each possible party to a connection would be represent ...


2
Hayden Charles C: Gestion dappels graphique, Graphics based call management. American Telephone And Telegraph Company, KIRBY EADES GALE BAKER, May 9, 1989: CA1253939 (6 worldwide citation)

- 27 - GRAPHICS BASED CALL MANAGEMENT Abstract There is disclosed a method of setting up,manipulating, and taking down communication connections. The telephone instrument would include a graphicsscreen, such as a PC, and a series of call appearanceboxes would be represented on the screen. Each possi ...