Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Patent
1997-05-05
2000-12-19
Nguyen, Chau
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
370395, 370442, H04L 1266, H04L 1228, H04B 7212
Patent
active
061635359
ABSTRACT:
A distributed voice processing system comprises two or more voice processing machines 50A, 50B, connected by an isochronous network. In the preferred embodiment this network comprises an ATM switch 80 and appropriate ATM links 82A, 82B. Each of the voice processing machines includes telephone line interface units 52 connected to the telephone network 5 via respective telephony channels 15, a TDM bus 54, voice resources 55 (such as voice recognition, voice response functionality, etc), and an ATM adapter 58 to allow communications over the ATM network. In operation, a call may be received at the line interface unit at a first voice processing machine, and placed onto a TDM bus at that machine. The call is then taken off the TDM bus by the ATM adapter, and routed over the ATM network to the ATM adapter at a second machine, which places the call on the TDM bus at this second machine. The call is then processed by a voice resource at this second machine, which has access to the TDM bus, thereby allowing a call to be handled by a line interface unit at a first voice processing machine and a voice resource at a second voice processing machine.
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Jordan Robert Michael
Ritchie Andrew
International Business Machines - Corporation
Lee Chino Andrew
Nguyen Chau
Ray-Yarletts Jeanine S.
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