These sales people are the telephonic equivalent of Jehovah's Witnesses.
I once made the mistake of opening the door to some Witnesses and taking their magazine, just to shut them up.
Grave error, they then came round virtually every day for the next two weeks to see if I'd read it and find...
Mike C Gull: I regularly get calls from companies selling conservatories etc, despite, my living in a second floor flat.
Maybe next time I'll take up your suggestion and invite them round for a chat.
What I find annoying is that they always ask for "two minutes of your time", which is a clear...