''Hello would you like to buy windows/insurance/a thai bride/shares/remortgage your house etc''
''Ohh, sounds great! Can I call you at home?''
''No, only at work''
''Can I call you when you're at home tonight after work?''
''No''
''Then don't fucking ring me when I'm at home''

Or

''Hello would you like to buy....''
''Yes..I have a lot of old Deutsch Marks left to use from a holiday to Berlin about 20 years ago..could you price up in those please..I'd love some windows''