Personalized information service system
PETRELLI, ROBERT, BARRERA, CLAIRE DARCELLE, SONKE, SUSAN KAY, DAVENPORT ESTER LEE, BACKAUS, MAJORIE SUSAN, FAHRER, HAROLD, OSTROFF, BARRY NORMAN
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Year of Publication 27.02.2002
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AUTOMATION OF TELEPHONE OPERATOR ASSISTANCE CALLS
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Year of Publication 15.10.2002
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Year of Publication 15.10.2002
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More efficient call handling for operator assistance calls
RICHARD JOSEPH PIERETH, CYRENUS MATTHEW RUBALD, THOMAS MICHAEL BAUER, RICHARD WARREN HEMMETER, ROBERT PETRELLI
Year of Publication 21.06.1996
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Year of Publication 21.06.1996
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PERSONALIZED INFORMATION SERVICE SYSTEM
PETRELLI, ROBERT, BARRERA, CLAIRE DARCELLE, SONKE, SUSAN KAY, FAHRER, HAROLD, BACKAUS, MARJORIE SUSAN, DAVENPORT, ESTHER LEE, OSTROFF, BARRY NORMAN
Year of Publication 15.12.1998
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Year of Publication 15.12.1998
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More efficient call handling for operator assistance calls
PETRELLI, ROBERT, HEMMETER, RICHARD WARREN, RUBALD, CYRENUS MATTHEW, BAUER, THOMAS MICHAEL, PIERETH, RICHARD JOSEPH
Year of Publication 14.06.1995
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Year of Publication 14.06.1995
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Personalized information service system
DAVENPORT; ESTHER LEE, FAHRER; HAROLD, OSTROFF; BARRY NORMAN, SONKE; SUSAN KAY, BACKAUS; MARJORIE SUSAN, PETRELLI; ROBERT, BARRERA; CLAIRE DARCELLE
Year of Publication 02.12.1997
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Year of Publication 02.12.1997
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MORE EFFICIENT CALL HANDLING FOR OPERATOR ASSISTANCE CALLS
PETRELLI, ROBERT, HEMMETER, RICHARD W, RUBALD, CYRENUS M, BAUER, THOMAS M, PIERETH, RICHARD J
Year of Publication 25.08.1992
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Year of Publication 25.08.1992
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MORE EFFICIENT CALL HANDLING FOR OPERATOR ASSISTANCE CALLS
PETRELLI, ROBERT, HEMMETER, RICHARD WARREN, RUBALD, CYRENUS MATTHEW, BAUER, THOMAS MICHAEL, PIERETH, RICHARD JOSEPH
Year of Publication 27.11.1991
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Year of Publication 27.11.1991
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Personalized information service system
PETRELLI, ROBERT, BARRERA, CLAIRE DARCELLE, SONKE, SUSAN KAY, DAVENPORT ESTER LEE, BACKAUS, MAJORIE SUSAN, FAHRER, HAROLD, OSTROFF, BARRY NORMAN
Year of Publication 07.02.1996
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Year of Publication 07.02.1996
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Method for switching telephone calls to information service providers
FAHRER; HAROLD, MISDEA; KATHLEEN A, BUTZ; JOHN J, DAVENPORT; ESTHER L, CHERCHALI; ALI M, PETRELLI; ROBERT, BACKAUS; MARJORIE S
Year of Publication 17.10.1995
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Year of Publication 17.10.1995
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Telephone information service system using digital and out-of-band signaling
FAHRER; HAROLD, BARRERA; CLAIRE D, SONKE; SUSAN K, DAVENPORT; ESTHER L, OSTROFF; BARRY N, PETRELLI; ROBERT, BACKAUS; MARJORIE S
Year of Publication 22.08.1995
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Year of Publication 22.08.1995
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Automation of telephone operator assistance calls
RICHARD JOSEPH PIERETH, SAMUEL MARTIN SALCHENBERGER, MAHENDRA KUMAR VERMA, WILLIAM KEATING MCCORMICK, RICHARD WARREN HEMMETER, ROBERT PETRELLI, CHANDER SEKHAR SEHGAL, DOUGLAS CALHOUN DOWDEN, DIANE ELAINE HERR
Year of Publication 11.12.1998
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Year of Publication 11.12.1998
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Telephone Information Service System Using Digital and Out-of-Band Signaling
PETRELLI, ROBERT, DAVENPORT, ESTHER L, BACKAUS, MARJORIE S, OSTROFF, BARRY N, FAHRER, HAROLD, BARRERA, CLAIRE D, SONKE, SUSAN K
Year of Publication 15.03.1995
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Year of Publication 15.03.1995
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