Universal input call processing system

Details Universal input call processing system Universal input call processing system

1996-01-24

1998-02-24

Hsu, Alpus H.

Multiplex communications

Diagnostic testing

Of a switching system

370264, 370524, 370526, H04M 1106

Patent

active

057217297

ABSTRACT:
The present invention is directed to an apparatus and method that provides a universal call processing system to process all possible data types transmitted over an ISDN telephone line. A universal call processing system generally comprises an ISDN interface subsystem, a call control subsystem, a call processing subsystem, a controller state machine, and user interface devices.

REFERENCES:
patent: 5042028 (1991-08-01), Ogawa
patent: 5341377 (1994-08-01), Ohtani
patent: 5481605 (1996-01-01), Sakurai et al.
patent: 5495485 (1996-02-01), Hughes-Hartogs

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