Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-06-20
2006-06-20
Marcelo, Melvin (Department: 2662)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S493000
Reexamination Certificate
active
07065072
ABSTRACT:
According to one embodiment of the invention, a method for providing communications services includes providing a digital subscriber line access multiplexer having a plurality of line cards. Each line card has one or more ports. The method also includes granting control of a first subset of the ports to a first service provider and granting control of a second subset of the ports to a second service provider.
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Franzen, Jr. Ronald L.
Quiles William
Sur Bhuvan A.
Baker & Botts L.L.P.
Cisco Technology Inc.
Marcelo Melvin
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