Title:
SCAM DAMAGE PREVENTION SYSTEM, SCAM DAMAGE PREVENTION METHOD, CALL PROCESSING SERVER, ENUM/DNS SERVER, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/124391
Kind Code:
A1
Abstract:
Provided is a scam damage prevention system (1000) comprising a call processing server (20), and an ENUM/DNS server (10), wherein the call processing server (20) comprises: a scam determination request unit for transmitting a scam number determination request including a caller-side number of a caller-side device (4) to the ENUM/DNS server (10), and receiving a result of determination of whether the caller-side number corresponds to a scam number; and a scam prevention processing unit for performing predetermined scam damage prevention processing. The ENUM/DNS server (10) comprises: a storage unit in which scam number information (100) is stored; and a scam determination unit which refers to the scam number information (100) using the caller-side number, determines that the caller-side number corresponds to the scam number if the same number as the caller-side number is registered therein, and transmits the result of determination to the call processing server (20).
Inventors:
SUGIKI YUTA (JP)
Application Number:
PCT/JP2019/049155
Publication Date:
June 24, 2021
Filing Date:
December 16, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04M3/42
Foreign References:
| JP2018207442A | 2018-12-27 | |||
| JP2016103800A | 2016-06-02 | |||
| US9060057B1 | 2015-06-16 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
Download PDF: