I'm on the Do Not Call list but still receive calls.. Depending on my mood sometimes I like to fuck with them and waste their time..
most of the time I don't answer though.. I may try what you do Simon and see if that helps as I still get several calls a day for some bullshit or another..
and the text messages I get too.. Thanks for the tip GG that those can be reported as well.. I get tired of the fuckers too..