US Patent 10084634 User presence information communication system

This invention relates to a communication system comprising a least one user with which presence information is associated, said presence information comprising a plurality of parts, at least one of said parts comprising information identifying an application for which said at least one part is intended; and at least one entity to which presence information associated with said at least one user is provided, said at least one entity having at least one entity application, said at least one entity being arranged to use said information to obtain the at least one part intended for said at least one entity application.