Robo calls out of control

Hi Karen,  I agree with others that this is an industry problem, and the industry - not just cox- has failed to help address it.  Why not implement "white listing"- That is, allow me to build a list of acceptable numbers  that I agree to accept without further inbound screening.  Part of the reason we live with this scourge is the telcos who terminate VOIP( where the scammers generate their calls from) to DDD calls get paid for every call regardless whether it is terminated or not.  This takes away the incentive to force presenters of calls to the DDD users that each and every call is valid and proveable back to a legitimate Billing Tel #, regardless of whatever BS the caller wants to put in the callee's Caller ID device.  You give me that and watch how fast these scumbags dissapear from the game;  They don't provide you with valid call data, they don't get to complete and you don't incur as much cost  | engineering overhead attempting to complete bogus calls, against the loss of completion revenue.  This validation is trivially easy to implement via the AIN/CCS network already in place, and used for caller-ID.  The other idea is to offer a DMZ like call treatment that gives a caller, not otherwise tainted "the benefit of the doubt".  Prove you are a legit caller to me, and get sent to voice-mail, or allowed through - at MY discretion.  

No mo robo is a cool valid solution, but does not satisfy all the issues, nor is it able to support traditional DDD users who's providers cannot implement simultaneous ring capability.