Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2005-02-08
2005-02-08
Urban, Edward F. (Department: 2685)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C370S352000, C370S389000, C379S211020
Reexamination Certificate
active
06853634
ABSTRACT:
A presence management system allows connections between watching parties and watched parties in a multiple access communications network to be managed. When the presence management system receives a contact request from a watching party it determines whether the required watched party is available for contact. The system then provides information about this to the watching party who made the request. The presence management system chooses the best mode of communication (e.g. email or fax) taking into account the watched parties preferences and details about the facilities available to the watching party.
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Armstrong Steven M
Davies Elwyn B
Harker Andrew Newton
Parsons Eric W
Stringer David Robert
Chow C.
Mintz Levin Cohn Ferris Glovsky & Popeo P.C.
Nortel Networks Limited
Urban Edward F.
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