Key telephone management system

US4905274A · kind A · utility

Assignees

• American Telephone and Telegraph Company, AT&T Bell Laboratories · US
• American Telephone and Telegraph, Co. · US

Inventors

• Bret A. Cooper · Columbus, US
• James R. Hahn, III · Gahanna, US
• William H. Havanas · Reynoldsburg, US
• Mark A. Martinka · Pickerington, US

Key dates

• Filing date: Jun 22, 1989
• Grant date: Feb 27, 1990
• Expiry date: Jun 22, 2009

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04M9/002
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

A key telephone management controller system enabling telephone customers to control and implement changes to customer key telephone systems served by a telephone switching system. Apparatus and a method interactive with telephone customers records customer-selected key telephone button and line features and controls the telephone switching system to assign the customer-selected button and line features to telephone sets of the customer key telephone system.