Lucent Technologies Inc.

Paul Daniel Wolfson

Joseph Francis Lennert

Bernard G Ruel

Srinivasan Sundararajan

Bill Retzner

Monica G Rodgers

Rajeshkumar Dahyabhai Patel

A failure of a network element is detected automatically. A bootable image of the network element is electronically retrieved upon detection of the failure of the network element. The bootable image is employed to restore the network element.

Restoration of network element through employment of bootable image

An emergency call monitor ( ) monitors the progression of a call in a telephone switching system. The sequence of called digits for a call is detected by a line/trunk interface unit ( ). A call-type processor ( ) determines whether the call is an emergency call by examining the sequence of called digits and examining a call-type associated with the call. If the call is an emergency call, then a call monitor ( ) is initiated to monitor the progression of the call through the telephone switch. If errors are encountered during the call, an alarm ( ), including a visual and/or audible indicator, is asserted.

Emergency call monitor

Growing community of inventors

Buffalo Grove, IL, United States of America

Paul Daniel Wolfson