Multifunction adaptive telephone line measurement method and sys

Details Multifunction adaptive telephone line measurement method and sys Multifunction adaptive telephone line measurement method and sys

1996-06-05

1998-04-21

Kuntz, Curtis

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

For detection of eavesdropping device

379 35, H04M 124, H04M 308, H04M 322

Patent

active

057426651

ABSTRACT:
A system which monitors telephone lines includes the capability to detect abnormal line conditions of many varieties. Such detection capabilities include physical damage such as cut line, misuse such as leaving a handset off-hook for an extended period of time, and intentional abuse such as a wire tap. The system is flexible enough to automatically adjust to varying `normal` conditions. As an aid in providing reliable telephone communications, the system will generate immediate alarms upon detection of abnormal conditions and concurrently create a historical database. This database is used to review reliability and response times, identify hardware failure trends or repeated misuse, and provide system management reports so as to adjust to varying normal conditions without generating false alarms. The physical system contains circuitry to scan the incoming telephone lines.

REFERENCES:
patent: 4218592 (1980-08-01), Steinbergs et al.
patent: 4634813 (1987-01-01), Hensey
patent: 4658099 (1987-04-01), Frazer
patent: 4680783 (1987-07-01), Boeckmann
patent: 4760592 (1988-07-01), Hensley
patent: 5073919 (1991-12-01), Hagensick
patent: 5142560 (1992-08-01), Neer
patent: 5553116 (1996-09-01), Avni

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