AUTOMATION OF TELEPHONE OPERATOR ASSISTANCE CALLS
HERR, DIANE E, SALCHENBERGER, SAMUEL M, HEMMETER, RICHARD W, SEHGAL, CHANDER S, PIERETH, RICHARD J, VERMA, MAHENDRA K, DOWDEN, DOUGLAS C
Year of Publication 14.03.1995
Get full text
Year of Publication 14.03.1995
Patent