BTW folks.... I also lock each offending call in my cell phone. It keeps an indisputable record of the date, time, and frequency of each of these illegal calls.
I swear, once I get my life together I AM writing to the attorney general. These scammers call my cell so often, they should be forced to pay my cell phone bills and compensate me for the time I have to devote to attending to their demands and reporting them. It's turning into a flipping full time job just dealing with their ccrap!
Here's Indianapolis yellow pages off line for Childhood Lukemia & this phone number IS NOT one of theirs, so this caller is a scam outfit.
http://www.yellowpages.com/indianapolis-in/childhood-leukemia-foundation
Since most cell phones have a limited/finite amount of space to ...er... " lock in " calls over any length of time ( eg; the features of incoming/ outgoing/ missed calls which display the phone no.'s, time/ date ), I have found it less hassle to merely print out each months list of my cell records ..whether it's a snail-mailed itemized statement or viewing and printing from online account management.
Especially if the calls persist over an extended period, like the pests associated at this, and many other B.S. numbers which call. Every cell phone I've met has a limited storage capacity for call info, but the records of the cell service provider can provide irrefutable proof simply as a normal statement for billing.
Thanks for all the relevant info u have posted ...u seem to be very well-versed in this area which is a benefit to the rest of us :)