Recording of automatic number identification to identify lost customers

US5282243A · kind A · utility

Assignee

• AT&T Bell Laboratories · US

Inventors

• Hassan Dabbaghi · Atlantic Highlands, US
• Robert Finberg · Flemington, US
• Albert Friedes · East Brunswick Township, US
• Lisa C. Giulianelli · Austin, US
• Angela R. Gore · Waretown, US
• Nadine K. Grasty · Hackettstown, US
• Susan E. Grove · Summit, US
• Carlos A. Perea · Somerville, US
• Paramdeep S. Sahni · Marlboro, US
• Susan M. Zoccolillo · Howell, US

Key dates

• Filing date: Nov 6, 1992
• Grant date: Jan 25, 1994
• Expiry date: Nov 6, 2012

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04Q2213/13541
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

In order to enable an "800" telephone number business subscriber to identify customers, whose incoming telephone calls were blocked, the Automatic Number Identification (ANI) of these calling customer is automatically recorded within the telecommunications network for later access by the business subscriber.