Patent ID: 6728221
Filing Date: 2004-04-27
Classification: H04M

Abstract:
A method of establishing a multipoint conference among a plurality of communication units in a plurality of communication groups, each of said plurality of communication groups including a conference bridge and at least one communication unit associated with said conference bridge, a plurality of said conference bridges in said plurality of communication groups being arranged to establish communication for the multipoint conference, comprising:determining the particular communication unit included within each of said plurality of communication groups that is a local dominant communication unit; exchanging between said plurality of conference bridges a plurality of quantized values, each of said plurality of quantized values representative of the signal of the local dominant communication unit corresponding to each of said plurality of communication groups, determining based on comparisons of said plurality of quantized values which of the plurality of local dominant communication units is an overall dominant communication unit in said multipoint conference; and transmitting a signal of said overall dominant communication unit to all of said plurality of communication units in said multipoint conference.