Advertised ring back in a telecommunication switching system
US6603844B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1999 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Aug 31, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/493
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Transmitting by a public service provider an audio message to the calling party instead normal ring back tones when a call is placed by a calling party to a called party. This audio message is an advertisement that is paid for by a third party. If the calling party wishes more information concerning the advertisement, the calling party indicates this desire either by a spoken command or by accuation of a multi-frequency key on the telephone hand set during the message. If the calling party has indicated a desire to obtain more information with respect to the advertisement, when the call to the called party is completed, the public service provider will automatically connect the calling party to a system that will provide additional information concerning the advertisement. A data terminal placing a data call will receive advertisements in a similar manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.