Generation of phone number lists and call filtering
US9014359B1 · kind B1 · utility
28Cited by
8References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2013 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Jun 1, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/556
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An analyzer resource receives call information about outbound phone calls from multiple phone numbers to target phone numbers in a phone network. The analyzer resource analyzes the call information to detect likely unwanted call activity. Based on the analyzing, the analyzer resource produces a list of phone numbers from which one or more entities originate unwanted calls to the subscribers in the phone network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.