Steven Spencer Resume

Patents

5,418,776 Emergency local switching
5,287,344 Transferring lines in a digital loop carrier transmission system

5,418,776 Emergency local switching

Abstract
Disclosed is an apparatus and method for providing transmission between end users coupled to a digital loop carder access system. During normal operation, the access system functions to transmit data and supervisory signals between each end user and a local digital switch. In the event of a failure in the coupling between the access system and switch, the access system provides transmission paths between each end user and designated users such as emergency services which am coupled to the same access system.

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Inventors: carrier; Robert C.; Spencer; Steven P. ; Wheeler; James K.
Assignee: AT&T Corp. (Murray Hill, NJ)
Appl. No.: 023648
Filed: February 26, 1993

5,287,344 Transferring lines in a digital loop carrier transmission system

Abstract
Proposed is a method and system for transferring end customer phone lines between different terminations at the central office. Transfer is accomplished through the creation of virtual remote terminals of a desired size and number at the remote terminal and an appropriate mapping of the channel units to these virtual remote terminals.

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Inventors: Bye; Peter L.; Miller; James H.; Ronnen; Eva; Spencer; Steven P.
Assignee: AT&T Bell Laboratories (Murray Hill, NJ)
Appl. No.: 710474
Filed: June 5, 1991