Call screening apparatus and method
US7492884B2 · kind B2 · utility
4Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2006 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Oct 17, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2242/22
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of screening incoming telephone calls and programming screening options and apparatus that allows incoming calls to be screened according to various criteria programmed by a subscriber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.