Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-06-28
2005-06-28
Vincent, David (Department: 2661)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S395600
Reexamination Certificate
active
06912220
ABSTRACT:
The ATM equipment includes a voice circuit interfacing section connecting to voice devices, an interchange channel interfacing section connecting ATM lines, a cell composing and decomposing section celling voice signals from the voice circuit interfacing section and also decelling a cell received from the interchange channel interfacing section to produce voice signals, a SVC control section performing connecting/cutting control of a telephone call path in the ATM lines by a switch type virtual connection method, and a main control section connecting the interchange channel interfacing section to the voice circuit interfacing section when the voice devices are called in the case when the SVC control section performs the connecting and cutting control of the telephone call path in the ATM lines.
REFERENCES:
patent: 6141339 (2000-10-01), Kaplan et al.
patent: 6434150 (2002-08-01), Bog et al.
patent: 6490273 (2002-12-01), DeNap et al.
Azuma Kazumasa
Endou Nobuyuki
Takeda Nobukatsu
Foley & Lardner LLP
Hitachi Telecom Technologies
Vincent David
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