Hierarchical menu screen interface for displaying and accessing telephone terminal features
DAVIDSON; JOANNE W, KASISKE; KENNETH, TUTTLE; SUSAN L, FISHMAN; DAVID A, SANDERS; ELIZABETH BAUER-NILSEN, MOROZE; MICHAEL L, DUDLEY, JR.; WILLIAM F, SUBRIZI; ALESSANDRO A, GRESHAM; DAVID M
Year of Publication 30.06.1998
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Year of Publication 30.06.1998
Patent