>>Beware, it doesn't apply to pollsters and pretend cops and firem.. firepers... firefighters. They do have a habit of ticking your number as "always call" if you once, just once, respond positively to whatever they offer. Specially the "police union-club-brotherhood-whatever", who usually hire the same call centers like everybody else, just feed them a different pick up line. They stopped calling when I asked "are you really an officer? What's your rank?". The guy never knew whether I may be recording, so he didn't get as far as false impersonation.
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>Thank you. Good to know that this is a real link. I stopped talking or asking question of telemarketers. I simply hang up. Unless I think it may be a prospective customer. But it is very rare.

For a number of years, I had the inclination and inspiration to respond to them in most imaginative ways. Like "good for you! I wish I had a promotion too! Good luck, bye!", or just speaking to them in english because almost none of those have names in serbian. One notable exception was "Center for health prevention", which they had no clue about, to them "prevention" is simply hygiene, i.e. set of things to do to keep up health. "I'm very curious to hear how you stop health from happening". Etc etc.

Nowadays, as soon as I hear "dobar dan, moje poštovanje..." (good day, my respect) I simply hang up. Those people have no respect at all, using a private channel of communication (my end of it has my name on it!) for commercial purposes, and disrespecting any feedback they get. Had they done the latter, they'd stop calling me - in the last 20 years all my response was negative or, 99% of the time, hang up.