WinMo or J2ME - Redirect different callers (from list) to different number (automatic swithboard?)

Question

I have a lot of telemarketers calling me around the clock and I would like to return the favor..

Is there a way I can set up so that if number1 calls it will be redirected to number2, and if number2 calls it will be directed to number1.

I will be happy to know I have caused some confusion.. unfortunately I will not be able to listen in on the following conversations

Kente