chances are you've received a row bow call that deliver a recorded mesge usually trying to obtain infortion orlell you something. and you're not alone. >> americans have registere more than 217 million phone numbers on the federal trade commission's do not call list. to put things in perspective, the entire u.s. population is 319 million. 3 million complains were about unwanted calls.s. scams from robocalls result in estimated $350 million in losses annually. according to a new report by consumers union. why are these calls so rampant? some legitimate companies are not paying heed to the calls and some are not. it's difficult according too consumers union. today, the ftc collected 8% of the $1.2 billion in fines for those entities that violated the do not call list. >> joining us now is toby stanger at consumer reports here to talk about stopping unwanted callsnce and for all and toby, just why are these calls so rampant? when i am home during the day which is rare, they're constant. >> the reason is it's cheap to have a robocall system. they know how to spoof the numbers and make it look like it'