System for transferring information from a base station to portable phones

US6253089A · kind A · utility

Assignee

• Nokia Mobile Phones Ltd. · FI

Inventors

• Knut Haberland Schlosser · Bochum, DE
• Anders Grove · Paseo Los Muchachos, DK
• Lars Bergmann · Waiblingen, DE

Key dates

• Filing date: Dec 2, 1996
• Grant date: Jun 26, 2001
• Expiry date: Dec 2, 2016

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04M1/57
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

A system for establishing a telephone connection to a portable telephone in a telephone system, comprises a telephone line connected to a base station, a plurality portable telephones each connectable to telephone line via the base station. The base station monitors the telephone line and outputs a trigger signal when it detects ringing at the telephone line. The trigger signal comprises an address or an ID for the address which addresses at least a group of the plurality of telephones whereby the telephones receiving the trigger signal starts ringing. The base station later on outputs an information signal which comprises the same address or ID for the address as the trigger signal and information about the caller, whereby the addressed telephones are provided with the information about the caller. Each of the telephones which are ringing comprises establishing a communication link from the phone to the base station when the telephone is activated as a response to the ringing.