I think you do need some central server, and then check if a lot of users report certain number blocks for spam in a short amount of time. No need for AI on this one. Isn’t that how most phone spam blockers work?
I think you do need some central server, and then check if a lot of users report certain number blocks for spam in a short amount of time. No need for AI on this one. Isn’t that how most phone spam blockers work?