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Homemade Cell Phone Call Blocker? 245

G)-(ostly asks: "Recently, I've been plagued by a number of calls that were mis-dialed to my cell phone. They're particularly annoying because, being on a cell phone, the wrong number calls follow me everywhere as opposed to just being ignored in an empty house during the day. Verizon, of course, has scripted their drones to claim they can't do anything about it except change the number (or we can turn off the phone), which of course probably wouldn't change anything since we'd just get different mis-dials. However, since it's in my possession, would it be possible to build a software package that could be used to 'screen' unwanted numbers right on the phone? If so, how would one even begin to find APIs for phones, or load the software, once built, onto it?" How long do you figure it will take phone makers to recognize the need for this feature?

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