Multiplex communications – Special services – Conferencing
Reexamination Certificate
2011-04-05
2011-04-05
Shah, Chirag G (Department: 2477)
Multiplex communications
Special services
Conferencing
C370S400000, C379S202010
Reexamination Certificate
active
07920488
ABSTRACT:
The invention comprises a method and apparatus for establishing a conference bridge. Specifically, the method comprises obtaining at least one request for establishing the conference bridge where the conference bridge is operable for enabling communications between a plurality of user devices, and determining a configuration for establishing the conference bridge, the configuration comprising at least one sub-bridge wherein each of the at least one sub-bridge comprises a communication path between a first combining user device and one of a second combining user device and a non-combining user device, wherein the configuration tends to minimize a bandwidth required for supporting communications between the plurality of user devices.
REFERENCES:
patent: 5751338 (1998-05-01), Ludwig, Jr.
patent: 6697341 (2004-02-01), Roy
patent: 7496188 (2009-02-01), Saha et al.
patent: 2004/0190701 (2004-09-01), Biage
patent: 2006/0062368 (2006-03-01), Saha et al.
Alcatel-Lucent USA Inc.
Shah Chirag G
Wall & Tong LLP
Zhou Yong
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