ATM electronic exchange network system and electrode exchange eq

Details ATM electronic exchange network system and electrode exchange eq ATM electronic exchange network system and electrode exchange eq

1996-01-11

1998-07-21

Kizou, Hassan

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370356, 370466, H04L 1256

Patent

active

057843716

ABSTRACT:
In an asynchronous transfer mode (ATM) electronic exchange network system interconnecting a plurality of electronic exchange equipment by an ATM network 40, each of the electronic exchange equipment has an ATM cell assembly/disassembly (CLAD) circuit 11, 21, CPU 14 in the electronic exchange equipment of a node 10 confirms a destination node 20 from a called number, indicates to CLAD circuit 11 a virtual path identifier (VPI) and a virtual channel identifier (VCI) which indicate the destination node 20 and which are read from a table in memory 12 representing the correspondence of nodes and identifiers of VPI and VCI, then ATM CLAD circuit 11 assembles information indicative of the VPI and VCI and user information including number and communication information transmitted through a time-division switch 13 into an ATM cell, and transfers the ATM cell to ATM network 40, and when ATM CLAD circuit 21 of node 20 receives a cell having in its cell header the pair of VPI and VCI which represents its own node 20, ATM CLAD circuit 21 disassembles the cell into a TDM signal, and transfers the TDM signal to the time-division switch 23.

REFERENCES:
patent: 5204857 (1993-04-01), Obara
patent: 5301189 (1994-04-01), Schmidt et al.
patent: 5457684 (1995-10-01), Bharucha et al.
patent: 5483527 (1996-01-01), Doshi et al.
patent: 5633861 (1997-05-01), Hanson et al.

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