Fuji Xerox Co., Ltd.

Gene Golovchinsky Deceased

William J Van Melle

Jacob Biehl

Anthony Dunnigan

Pernilla Quarfordt

Althea Turner

A computer system is coupled to a plurality of subscribers via a network. The computer system obtains first presence information that corresponds to a first calendar of a user and obtains second presence information that corresponds to a second calendar of the user that is different from the first calendar. The computer system determines one or more presence states of the user including determining, based on presence information for the user that includes the first presence information and the second presence information, a first presence state of the user. The computer system provides the respective presence state of the user, selected from the one or more presence states of the user, to the subscribers via the network.

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Auburn Hills, MI, United States of America

Gene Golovchinsky Deceased