How I deal with cold callers
If called at an inappropriate time (in my world, that's any time at all) by these twunts, I employ something along the following lines:

Caller: "Hello, blah blah blah service blah blah, can I discuss it with you now?"
Me: "Actually, that sounds very interesting, but unfortunately I'm just about to leave the house. Perhaps we can talk about it later?"
Caller: "No problem, I'll call back..."
Me: "I'm going to be out all day but I'll be back around 10 or 11pm tonight. If you give me your private phone number, I'm happy to call you at home after you finish work, if that's okay"
Caller: "Er... there's no way I'm giving you my private number sir"
Me: "Why not? I'd love to hear more about your service, but I don't know when I'll be back tonight"
Caller: "Well sir, I don't really want to be disturbed at home"

Me: "GOT IT IN ONE, GENIUS. DO NOT CALL ME AGAIN"

*click*

Of course I know it's futile, but I derive great pleasure from it.
( chart cat has an itch, Fri 4 Sep 2009, 8:29, 4 replies)

Seinfeld?
Jerry: Just give me your home number, and I'll call you at home.
Telemarketer: Sir, we really can't do that.
Jerry: Oh, well I guess you don't want people calling you at your homes.
Telemarketer: (Hesitantly) Right.
Jerry: Well, now you know how I feel.
(Vice Admiral Sir Charles Cockbrush KCB MBE DSO, who is finding it increasingly difficult to log into b3ta.com wants to duck your aunt and kick your puppy, Fri 4 Sep 2009, 8:34, closed)

is it?
I honestly haven't seen that episode. There I was thinking I was some kind of maverick comedy genius...
( chart cat has an itch, Fri 4 Sep 2009, 8:36, closed)

Speaking of Seinfeld
It's nigh on time I bought the entire box set!!
( whenanimalsattackhumans clad in global hypercolour, Fri 4 Sep 2009, 9:21, closed)

Either way
Fair play...

*clicks*
(mr-lizard Hell's teeth man!, Fri 4 Sep 2009, 9:28, closed)