Network overload and congestion: A comparison of ISUP and SIP
Ejzak, Richard P., Florkey, Cynthia K., Hemmeter, Richard W.
Published in Bell Labs technical journal (2004)
Published in Bell Labs technical journal (2004)
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Journal Article
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
Patent
More efficient call handling for operator assistance calls
HEMMETER; RICHARD W, RUBALD; CYRENUS M, BAUER; THOMAS M, PETRELLI; ROBERT, PIERETH; RICHARD J
Year of Publication 06.02.1990
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Year of Publication 06.02.1990
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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
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Year of Publication 14.03.1995
Patent
Automation of telephone operator assistance calls
HEMMETER; RICHARD W, VERMA; MAHENDRA K, SEHGAL; CHANDER S, DOWDEN; DOUGLAS C, SALCHENBERGER; SAMUEL M, HERR; DIANE E, PIERETH; RICHARD J
Year of Publication 10.11.1992
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Year of Publication 10.11.1992
Patent