Call tones in communication networks
US6731738B1 · kind B1 · utility
5Cited by
3References
56Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2000 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Mar 28, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/13389
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication hub for providing call tones in a communication network proximate the calling device. The communication hub comprises an interface coupled to a processor and a tone generator. The tone generator is configured to generate call tones. The processor is configured to process an in-band call tone request message to direct the tone generator to provide the call tones to a call device. The interface is configured to receive the call tone request message and provide the call tones to the call device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.