T-Mobile will be reducing unwanted calls with the help of a comprehensive, real time database and "behavioral heuristics and intelligent scam pattern detection."
http://www.androidcentral.com/t-mobi...ock-scam-calls
https://www.hardocp.com/news/2017/03...ll_scam_calls/
http://www.androidcentral.com/t-mobi...ock-scam-calls
https://www.hardocp.com/news/2017/03...ll_scam_calls/