deleted deleted • over 7 years ago
What's so hard about this challenge?
Performing such a telemarketing lockout would be child's play. All that is required to add a 4 digit pin number to a phone number that would be given out only to those people one wishes to contact them.
1: Dial a number
2: Phone answers with no message given
3: Caller enters pin number
3: If wrong pin, no phone ring, phone hangs up
If correct, phone rings, owner answers
Can be instituted nearly instantly by all cellphone manufacturers by simply upgrading a cellphone's flash rom OS, and new land line phones can be manufactured using this feature, with older phones using a simple add on device that intercepts the ring signal of standard phone lines and inhibits it unless it detects the correct DTMF pin number. Otherwise, hangs up.
Best yet, a pin can be changed by the phone owner anytime he chooses to rid themselves of not only telemarketers, but any other annoying caller, giving the new pin only to those the owner wishes to remain in contact with, or he can choose to cancel out the option to receive all calls.
Needs no changes to phone switching networks, can be implemented nearly overnight, and is simple enough to anybody for to use, including the handicapped.
$50,000 for this? It will be easy money for somebody, I think!
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