Apparatus and method for providing call status information
US7843899B2 · kind B2 · utility
20Cited by
13References
90Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 20, 2002 |
| Grant date | Nov 30, 2010 |
| Priority date | — |
| Expiry date | May 21, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/13389
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An apparatus and method use logical network connections to telephones interconnected by the network to obtain the call status information and then to convert the call status information to audio information that is presented to the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.