Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-06-27
2006-06-27
Hsu, Alpus H. (Department: 2665)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S389000, C379S088170, C379S093070, C379S093140, C379S221080, C709S203000, C709S227000
Reexamination Certificate
active
07068641
ABSTRACT:
A packetised data network includes IP telephones (ITs) and a network intelligence (NI). All of the keys of each IT are “soft” keys (i.e., they have no fixed function). The NI associates a configuration data structure with the IT which correlates the keys with functions, and, based on this, may control the display of the IT to indicate the current function of certain of the soft keys. Some of the functions are requests for data services at the telephone (e.g., video or programmed audio over the internet). When a user requests such a service with a key press, the NI sets up the service between the data source and the telephone. This may require associating a new configuration data structure with the keys of the IT. The IT user may activate multiple data services through the NI.
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Allan William
Blatherwick Peter P.
David Larry John
Joly Robert
Kramer Kris W.
Hsu Alpus H.
Nortel Networks Limited
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