High capacity Multi-AAL system for VTOA Gateway

Details High capacity Multi-AAL system for VTOA Gateway High capacity Multi-AAL system for VTOA Gateway

2006-03-28

2006-03-28

Nguyen, Hanh (Department: 2668)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S352000, C370S395210, C370S401000

Reexamination Certificate

active

07020144

ABSTRACT:
A Packet Voice Gateway (PVG) system and related method are disclosed wherein a single ATM circuit emulation board performs conversion of Asynchronous Transfer Mode (ATM) formatted cells received from an ATM packet network to a Time Division Multiplexed (TDM) format for delivery to a circuit switched network, including AAL 1/2 bearer cells, AAL 3/4 data cells, AAL5 signaling cells, and raw AAL0 cells. In particular, as ATM cells are received from the ATM packet network, their cell headers are translated according to a predetermined translation scheme. The ATM cells are then processed according to their translated cell headers, which allows the cells to be handled according to their payload type.

REFERENCES:
patent: 6266343 (2001-07-01), Caves
patent: 6407992 (2002-06-01), Pasternak et al.
patent: 6728249 (2004-04-01), Chang
patent: 6765912 (2004-07-01), Vuong
patent: 6832254 (2004-12-01), Scoggins et al.

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