Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2008-01-16
2010-10-05
Smith, Creighton (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C709S245000
Reexamination Certificate
active
07808978
ABSTRACT:
A method of establishing Voice over Internet Protocol (VoIP) communications is provided. The method includes establishing a virtual circuit to carry VoIP traffic via a first Point to Point Protocol over Ethernet (PPPoE) session and to carry other data traffic via a second PPPoE session. The first PPPoE session and the second PPPoE session are supported by a digital subscriber line access multiplexer (DSLAM).
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Aspell Steve M.
Edmon Eugene
Ying Goangshiuan Shawn
AT&T Intellectual Property I L.P.
Smith Creighton
Toler Law Group
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