Call screening service for detecting fraudulent inbound/outbound communications with subscriber devices
US10924609B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2019 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Dec 30, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/60
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An example method of operation may include one or more of identifying an outbound call placed by a mobile device subscribed to a protected carrier network, determining the outbound call is destined for a destination telephone number that was stored in a call history of the mobile device, determining the destination telephone number is a scam call suspect telephone number based on one or more identified call filter parameters associated with the destination telephone number, and forwarding a scam call notification to the mobile device while the outbound call is dialing the destination telephone number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.