Telephonic communications – Special services – Conferencing
Reexamination Certificate
2006-06-29
2010-06-15
Smith, Creighton (Department: 2614)
Telephonic communications
Special services
Conferencing
C379S406010
Reexamination Certificate
active
07738643
ABSTRACT:
This is a method for use in a teleconference that troubleshoots echo problems. After receiving a code to begin the troubleshooting process, all legs of the teleconference are muted except a test leg. That test leg is evaluated for echo. The process is repeated for each of the legs of the teleconference. After automatically measuring echo on all legs, results are reported to a moderator or host, who can take action such as muting all legs with echo, or discussing remedial action with each participant on a leg with echo.
REFERENCES:
patent: 4852161 (1989-07-01), Hagiwara
patent: 2007/0195698 (2007-08-01), Briscoe et al.
Chen Bing
Francis John
Garrison Laurie
Nawrocki Diane
Nemec David
AT&T Corp.
Smith Creighton
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