Announced details
Detects approximately 99% of nuisance calls (measurement period: January–December 2025)
Detects approximately 97% of SMS messages potentially involving scams (measurement period: January–December 2025)
Approximately 15 million people use the Nuisance Information Filtering Service each month
Tobila Systems’ nuisance information database will be adopted and used in NTT DOCOMO’s new plan. Capital and personnel relationships: not disclosed.
Head office: Chiyoda-ku, Tokyo; Representative Director and President: Maeda Yoshiaki (前田義晃). Other company information: not disclosed.
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
| Item | Details |
|---|---|
| Names of Products / Services Covered | Anshin Security Standard Plan: Scam Protection Plus, Anshin Security Total Plan: Scam Protection Plus, Nuisance Communications Database, Nuisance Information Filtering Service |
| Counterparty | NTT DOCOMO, INC. |
| Counterparty overview | Head office: Chiyoda-ku, Tokyo; Representative Director and President: Maeda Yoshiaki (前田義晃). Other company information: not disclosed. |
| Relationship with the Company | Tobila Systems’ nuisance information database will be adopted and used in NTT DOCOMO’s new plan. Capital and personnel relationships: not disclosed. |
| Launch date | 27 May 2026 (stated as DOCOMO’s service launch date, not as a scheduled date) |
| Applicable area | Smartphone nuisance call protection, Nuisance SMS protection, Protection against special fraud and phishing scams |
| Quantitative Effects | Detects approximately 99% of nuisance calls (measurement period: January–December 2025), Detects approximately 97% of SMS messages potentially involving scams (measurement period: January–December 2025) |
| Usage history | Approximately 15 million people use the Nuisance Information Filtering Service each month |
Items this document does not state (10)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.As smartphone-targeted scams, including fake police scams and phishing scams, have become increasingly serious, DOCOMO has added nuisance call and SMS countermeasures to its existing protections.