Method, device, and system for determining spam caller phone number
US10291774B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2016 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Apr 19, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/6027
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for determining a spam caller phone number is disclosed. The method may include obtaining N suspicious numbers in a call record set, wherein the N suspicious numbers are first N unknown numbers in a predetermined number of target call records that have the highest frequencies of appearance, determining whether a spam caller feature word recorded in a preset dictionary exists in keywords contained in a target call record of each suspicious number, and if a spam caller feature word recorded in the preset dictionary exists in keywords contained in the target call record of a suspicious number, determining the suspicious number to be a spam caller phone number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.