I also work from home and have to answer the phone. Ugh.
I get Rachel from Card Services. <click>
I get "Dave from Vindows" (i.e. scammer in India). I say "Go away scammer!" and hang up.
Best caller ID ever: PHONE SCAM
Yup.
The "charity" calls bug me, too. Most of them are third-party companies, so the charities are unlikely to get much out of a donation anyway. I just tell them I don't donate to charities who use telemarketing. <click>