Digital PB exchanger with multi-processor control system using a

Details Digital PB exchanger with multi-processor control system using a Digital PB exchanger with multi-processor control system using a

1996-05-31

1999-12-28

Ton, Dang

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

H04L 1256

Patent

active

060090952

ABSTRACT:
The present invention provides a Digital PB exchanger with a Multi-processor control system by using an ATM for a plurality of Digital PB exchangers with a single processor control system to multiplex PCM voice data and communication data between processors. The Digital PB exchanger consists of a Processor unit, a Time division switch, a subscriber circuit, a trunk circuit, a telephone terminal and the like. A PCM voice signal and data from the Time division switch 21 are connected to the ATM switch 5 via the ATM interface circuit 31 so that communication of the audio signal can be made possible. Furthermore, when data is transmitted from one processor to another processor, the data from the processor is multiplexed with the audio signal by the ATM interface circuit and is transmitted to other ATM interface circuits.

REFERENCES:
patent: 5513174 (1996-04-01), Punj
patent: 5553057 (1996-09-01), Nakayama
patent: 5570355 (1996-10-01), Dail et al.
patent: 5583858 (1996-12-01), Hanaoka
patent: 5623491 (1997-04-01), Skoon

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