Telephonic communications – Special services – Conferencing
Reexamination Certificate
2007-03-06
2007-03-06
Hong, Harry S. (Department: 2614)
Telephonic communications
Special services
Conferencing
C370S260000, C379S388060
Reexamination Certificate
active
10421466
ABSTRACT:
A conference call arrangement, conferencing device, conference unit and a method of managing conference calls. The conferencing device may be a speakerphone with a speak up indicator. Whenever a conference call attendee does not speak loudly enough for remote participants, the conference unit sends a speak up indication to a corresponding conferencing device.
REFERENCES:
patent: 4658425 (1987-04-01), Julstrom
patent: 4965822 (1990-10-01), Williams
patent: 6643373 (2003-11-01), Hughes
patent: 6888935 (2005-05-01), Day
patent: 2002/0150220 (2002-10-01), Weinman, Jr.
patent: 0 659 006 (1995-06-01), None
Hong Harry S.
Siemens Communications Inc.
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