Peer-to-peer data transfer using pre-existing caller ID CLASS FSK signaling infrastructure

US6304642A · kind A · utility

Assignee

• Conexant Systems, LLC · US

Inventors

• Norman Beamish · Munich, DE
• Robert Stanley Saunders · London, GB
• John Walley · Ladera Ranch, US
• Raymond Hon Mo Yung · Irvine, US

Key dates

• Filing date: Jun 8, 1999
• Grant date: Oct 16, 2001
• Expiry date: Jun 8, 2019

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04M1/573
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

A communications device configured to receive FSK-encoded CLASS caller ID information is also configured to exchange FSK-encoded data with a peer device over a channel previously established between the two devices. In one embodiment, the channel is a voice channel previously established between the two devices.