Telecommunications – Radiotelephone system – Message storage or retrieval
Reexamination Certificate
2007-10-15
2008-11-04
Le, Nhan T (Department: 2618)
Telecommunications
Radiotelephone system
Message storage or retrieval
C455S463000, C455S466000, C709S203000, C709S219000
Reexamination Certificate
active
07447495
ABSTRACT:
Methods and apparatus for determining and maintaining user presence information include capturing user presence data with an application presence server. The application presence server can be configured to update user presence data as a user initiates or exits an application. Applications associated with user presence data are configured to query an application proxy client concerning user presence data of a selected user and, based on a returned user status, deliver, discard, or redirect a message intended for the user. User presence data is stored in a user presence repository and can be provided via Internet-based or other connections to applications executed on external networks. User activity status can be used to select or update user presence data. In some examples, an application server of an external network is configured to receive user presence data from the presence server.
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AT&T Mobility II LLC
Colburn Heather M.
Davis , Wright, Tremaine, LLP
Donohue Michael J.
Le Nhan T
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