I don't know what the exact mechanism is in Germany, but it works. The only unwanted calls I get maybe once every couple months is random British headhunters wh

I don't know what the exact mechanism is in Germany, but it works. The only unwanted calls I get maybe once every couple months is random British headhunters who probably got my work number from an email signature or another professional contact some way or another. Otherwise, spam calls just aren't a thing here.