Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-02-22
2005-02-22
Nguyen, Hanh (Department: 2662)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S395510, C370S420000, C370S389000, C370S384000
Reexamination Certificate
active
06859457
ABSTRACT:
A substitution call control system includes an ATM (Asynchronous Transfer Mode) subscriber network of an ATM communication network. The ATM subscriber network includes a plurality of network terminators respectively connected with a plurality of subscriber terminals, and an ATM subscriber line concentrator, which accommodates VCs (Virtual Connection) to the plurality of network terminators, and is connected with a ATM switching apparatus of the ATM network through a UNI (User-Network Interface). The ATM subscriber line concentrator includes a substitution call control function to substitute for the plurality of network terminators and the subscriber terminals for a call control.
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NEC Corporation
Nguyen Hanh
Sughrue & Mion, PLLC
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