When I get a telemarketing calls I speak German to them, especially if they are coming from over seas I use to hang up on them but being retired for the past 25 yrs and being on both the Orgon and federal do not call list I'm paying them back by using up there time Make them pay for the long distance costs
Being able to speak certain insulting phrases and curse words in their native language is more entertaining.
If the results don't match the theory, change the theory.
Make them pay for the long distance costs 
