Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-11-27
2009-12-29
Qureshi, Afsar M. (Department: 2416)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C709S202000, C709S206000, C709S224000
Reexamination Certificate
active
07639672
ABSTRACT:
Cross IM group chat allows a host user to initiate a group conference between other users each registered on different chat systems (or not registered at all), as long as the host user is registered on each of the chat systems. Each user can participate in a semi-public chat that is viewable by the other participants of the chat, and private chats in which each participant can chat one on one with other participants in the group are also provided.
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Qureshi Afsar M.
Rogitz John L.
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