Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2005-03-22
2005-03-22
Chin, Wellington (Department: 2664)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S357000, C370S389000
Reexamination Certificate
active
06870830
ABSTRACT:
A system and method for performing messaging between telephones in a data network telephone system. The message communications may be managed by a messaging application connected to the data network. The messaging application detects when a telephone is connected to another telephone and sends a messaging input screen to the first telephone. The messaging application may determine the availability of other users for messaging and may control messages communicated between the first telephone and the other users. The messages may be text or voice messages.
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Bezaitis Andrew
Gentles Thomas
Schuster Guido M.
Sidhu Ikhlaq S.
3Com Corporation
Chin Wellington
Fox Jamal A.
McDonnell Boehnen & Hulbert & Berghoff LLP
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