Subscriber initiated non-intrusive network-based analysis of facsimile transmissions

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United States of America Patent

PATENT NO 5299257
SERIAL NO

07839975

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Non-intrusive monitoring and analysis of real-time facsimile transmissions is accomplished. Analog impairment measurements are made on the high speed page signal in those transmissions and protocol analysis is made on the low speed control messages in those transmissions. These measurements and analysis are a powerful tool for trouble shooting service problems afflicting facsimile transmissions. Actual customer traffic can be monitored to detect circuit impairments and to evaluate service being provided. Customer complaints can be handled by providing them with a special phone number which may be called to provide the ability to have the facsimile transmission experiencing a problem specially directed through the facsimile analyzer and forwarded to the intended destination while it is being non-intrusively monitored by service personnel who then can quickly provide the customer with a diagnosis of the problem.

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Patent Owner(s)

Patent OwnerAddress
AMERICAN TELEPHONE AND TELEGRAPH COMPANY550 MADISON AVENUE NEW YORK NEW YORK 10022 UNITED STATES OF AMERICA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fuller, Richard C Fair Haven, NJ 3 98
Goeddel, Thomas W Fair Haven, NJ 9 192
Heick, R B Red Bank, NJ 2 83
Herzlinger, Martin Freehold, NJ 2 83
Krishnamurthy, Subramanian Middletown, NJ 13 133

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