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Why Robo-Calls Can't Be Stopped (washingtonpost.com)

"When your phone rings, there's about a 50 percent chance it's a spam robo-call," reports the Washington Post. Now a computer science professor who's researched robo-call technologies reveals the economics behind automatically dialing phone numbers "either randomly, or from massive databases compiled from automated Web searches, leaked databases of personal information and marketing data." It doesn't matter whether you've signed up with the federal Do Not Call Registry, although companies that call numbers on the list are supposed to be subject to large fines. The robo-callers ignore the list, and evade penalties because they can mask the true origins of their calls.... Each call costs a fraction of a cent -- and a successful robo-call scam can net millions of dollars. That more than pays for all the calls people ignored or hung up on, and provides cash for the next round. Casting an enormous net at low cost lets these scammers find a few gullible victims who can fund the whole operation...

Partly that's because their costs are low. Most phone calls are made and connected via the Internet, so robo-call companies can make tens of thousands, or even millions, of calls very cheaply. Many of the illegal robo-calls targeting the United States probably come from overseas -- which used to be extremely expensive but now is far cheaper...

Meanwhile, the Federal Communications Commission has been asking U.S. phone companies to filter calls and police their own systems to keep out robo-calls. It hasn't worked, mainly because it's too costly and technically difficult for phone companies to do that. It's hard to detect fake Caller ID information, and wrongly blocking a legitimate call could cause them legal problems.

The professor's article suggests guarding your phone number like you guard your credit card numbers. "Don't give your phone number to strangers, businesses or websites unless it's absolutely necessary."

"Of course, your phone number may already be widely known and available, either from telephone directories or websites, or just because you've had it for many years. In that case, you probably can't stop getting robo-calls."

28 of 338 comments (clear)

  1. Online order forms require it by Anonymous Coward · · Score: 5, Informative

    It is a nearly-universal business practice: if you are ordering a product or service online, they will require a phone number. The form won't submit unless you put in a valid one.

    You really can't refuse to do business with people on these grounds; all competitors require a phone number as well. Further, if you put someone else's number up there, it's fraud.

    You can complain. If they respond at all, it will be a roundabout way of saying "too bad."

    1. Re: Online order forms require it by pollarda · · Score: 5, Interesting

      They should turn it into a source or revenue for the phone companies. When a phone call completes, have an option for the recipient to charge them $1.00. The phone company keeps half.

    2. Re: Online order forms require it by dwywit · · Score: 4, Interesting

      I wonder if it's possible to have a reporting and billing system like this:

      1. Answer a call, it's spam/scam
      2. While the call is in progress, key in #, the last four digits of your number, # (or some sequence that confirms the recipient's number, and a sequence to identify the type of call, e.g. 55 for spam, 66 for scam)
      3. That sequence immediately bills the caller $1 and/or blacklists the calling number.

      This depends on being able to trace and identify the caller while the call is still in progress.

      --
      They sentenced me to twenty years of boredom
    3. Re:Online order forms require it by ShanghaiBill · · Score: 5, Interesting

      The spam calls I receive do not mention my name or any other identifying information.

      As far as I can see, they are just calling numbers randomly.

      I am skeptical that keeping your phone number confidential will make any difference at all.

    4. Re: Online order forms require it by ShanghaiBill · · Score: 5, Insightful

      When a phone call completes, have an option for the recipient to charge them $1.00. The phone company keeps half.

      Another requirement should be that if the caller can't be identified and billed, the phone company still has to pay you.

      Anonymous spoofing will end real quick.

    5. Re: Online order forms require it by goombah99 · · Score: 5, Interesting

      the carrier that transferred the call to my carrier gets billed. THey bill whoever gave it to them, and so on.
      If you reach a point where it can't be tracked the carrier that can't track the incoming origin is where the net cost lands.

      See how long they put up with not being able to trace their inputs!

      --
      Some drink at the fountain of knowledge. Others just gargle.
    6. Re: Online order forms require it by rtb61 · · Score: 4, Insightful

      How about simply cutting through their bullshit. Those telecoms also make money on the calls so they allow it to happen on purpose.

      Here is how to stop, OHH FUCKING LOOK this fucking phone line made 1,000 calls in the last hour, could it possibly be a scammer, do people make that many calls, no, well cut them off, done and finished.

      They are total fucking liars and cunts, they can totally 100% control this, they choose not to because they profit from it. Limit the number of calls any line can make in any set time period, done and finished.

      --
      Chaos - everything, everywhere, everywhen
    7. Re: Online order forms require it by LostMyAccount · · Score: 3, Interesting

      We know what carrier every number belongs to thanks to number portability. That database exists and is updated frequently, or you couldn't port your number to a new carrier. This database enables carriers to connect outgoing call to the carrier who can complete the call.

      All that needs to happen is for ATT, Sprint, Verizon and T-Mobile to verify that an inbound call seeking to be completed on their network comes from the carrier that number belongs to. If it doesn't, then it should be rejected. If those four carriers alone started doing this, I'm pretty sure robocalls would collapse because so many of them wouldn't get through.

      One step better would be for all carriers to reject any inbound call using ANI that doesn't belong to that subscriber. Since individual carriers know what number blocks they are associated with and which blocks belong to their subscribers (all necessary for proper call termination), that database essentially exists, too.

      All this mumbo-jumbo of "what about VoIP" misses the point; the calls have to enter the public phone network someplace, and ultimately in the jungle of low-rent VoIP carriers are circuits that enable them to terminate calls on the major carriers, those circuits cost money and the carrier is keeping track of inbound calls.

      The fact that carriers haven't done anything like this really means they're part of the problem, making revenue off of it and are loathe to threaten that revenue.

  2. How can you "guard a number" by SuperKendall · · Score: 3, Insightful

    It's impossible to guard a number, when at this point they are simply calling all numbers in a valid area code, probably sharing any numbers that even voice mail picks up on...

    Almost getting to the point where I wish there was an hour a day I could designate as a time it was possible to call me, that I could set arbitrarily - then the rest of the day have my number reported by the phone company as disconnected.

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
  3. Did this in Canada and made things worse... by mykepredko · · Score: 4, Informative

    All it did was move calls to overseas (India being a big one) and by publishing the "Do Not Call" list all they did was provide the callers with a list of numbers that they knew people would pick up if they were called.

    Ironically, the people who are bothered the least are the ones that didn't sign up for the "Do Not Call" list.

  4. Yes we can by Anonymous Coward · · Score: 5, Interesting

    I use asterisk to screen calls. If it is an previously unknown number a message will request the caller to press a number. If the number is correct the callerid will be added to a whitelist and the call connected.

  5. What? by Oligonicella · · Score: 4, Funny

    And lose a source of amusement? I've had the callers crying, screaming, cussing and generally butt-hurt. I mock them with their accent regardless of what it is and insult them in kind. Why in hell do I want to remove that catharsis?

  6. SubjectsSuck by aardvarkjoe · · Score: 4, Insightful

    Any argument that we can't stop robo-calls because it's "too expensive" is just stupid. The cost of stopping them is miniscule compared to the cost of allowing them.

    --

    How can we continue to believe in a just universe and freedom to eat crackers if we have no ale?
    1. Re:SubjectsSuck by 140Mandak262Jamuna · · Score: 4, Informative

      Any argument that we can't stop robo-calls because it's "too expensive" is just stupid. The cost of stopping them is miniscule compared to the cost of allowing them.

      Cost of stopping them will have to be borne by the telco,.

      Cost of allowing will by borne by you, not the telco.

      So what would telco do?

      --
      sed -e 's/Chuck Norris/Rajnikant/g' joke > fact
  7. How to make them pay by ArcherB · · Score: 4, Insightful

    Whenever you receive a call from one of these scammers do what you can to talk to a live person. This is what costs them money. When I get a robo-call telling me about pack pain medication or having an import message from my credit card company, I always press whatever button I need to push to seem interested and speak with a representative. Then I keep that person on the phone for as long as possible until they give up and hang up on me.

    If everyone did this, the overhead of these bastards would be too high to keep calling people. At worse, it would make them limit their calls to known suckers.

    --
    There is no "I disagree" mod for a reason. Flamebait, Troll, and Overrated are not substitutes.
  8. Re:Enforce the Do Not Call registry by Rob+Y. · · Score: 4, Interesting

    If they're making money off of this, then at some point a payment gets made someplace traceable where it can be prosecuted, no? It's not all bitcoin - the targets wouldn't be savvy enough to pay that way, right?

    Anyway, if these things cost fractions of a cent to make, then the answer is to make all phone calls cost 1 or 2 cents - paid by the caller. I'd sure pay that for the calls I care to make in order to stop receiving the ones I don't want. Kind of like the idea of using a transaction fee to shut down robo-trading. If it hasn't happened yet, it's because lobbyists are paying for it not to happen.

    --
    Posted from my Android phone. Oh, I can change this? There, that's better...
  9. Phone companies are liars by SirAstral · · Score: 4, Informative

    They manage to find out enough information to make money don't they? Every single call can be traced... if they wanted to trace them. The key is that there is no motivation to do so. It is just easier to allow robo-calls and collect money from a subscriber.

    Every system could implement a technology that when a person receives a robo-call they hang up and immediately dial... say Start or Pound 666... nice number for that shit, and it immediately drops an electronic note to the phone company that the last number that called was a robo. It all goes into a database and now they have at least the exit phone number attached to a business, whether that number is VoIP or Traditional is meaningless. That number itself like an IP address is registered to a business and then you go to that business and tell them... if you keep letting your telephony infrastructure make/forward robocalls we fine you into oblivion or force the telephone company to cut your phone/internet.

    The problem is actually very easy to solve, the problem is political and businesses do not want to lose the revenue robo-calls generate. There really are lots of ways to solve this problem. But it will never be resolved because leaders don't actually care about citizens, they just care about your votes. We all can't be William Webster.

  10. Just don't answer by glomph · · Score: 5, Insightful

    If your phone rings, and you don't know the calling number - just let it go into voicemail. If it's important, they will leave a message which you can retrieve at your convenience (or if like me you use Google Voice, the voicemail is transcribed to quasi-accurate text). Almost always it's some marketing scam. Fuk Them.

    1. Re:Just don't answer by Anonymous Coward · · Score: 5, Informative

      That's great, unless you're a freelancer or small business and have to answer calls in case it's a customer.

  11. Useless Channels by mentil · · Score: 4, Insightful

    Notice that people have been moving away from phone calls and email for years now. Robocalls/spam are a large part of the reason why. If those old systems aren't capable of stopping the crapflood, then people will move to systems that are.

    --
    Corruption is convincing someone that the selfless ideal is the same as their selfish ideal.
  12. 128-bit phone numbers by Miamicanes · · Score: 4, Interesting

    The only way keeping your phone number a secret might reduce spam calls is if the current successor to NANPA (Neustar?) takes a currently-unused areacode, then uses it as the prefix for a random 40-digit phone number (approx. number of decimal digits in the largest unsigned 128-bit value), then allows consumers to link an unlimited number of randomly-picked numbers to your "real" one (and allow you to know what number an incoming call dialed, so you could program your phone to ignore incoming calls to your "real" number, but allow incoming calls to one of your incoming 40-digit numbers to ring).

    Then, whenever you had to give someone "your number", you'd peel an unused 40-digit number from the metaphorical stack & give it to them (probably, via an app running on your phone).

    If a specific incoming number of yours started attracting too many junk calls, you could unceremoniously nuke it & unlink it from your real number. Likewise, since you'd give a unique inbound number to everyone, you could do 'traitor tracking' & punish businesses that failed to safeguard your number.

    Random dialing would cease to work, because a robocaller could literally try random numbers for HOURS before hitting a valid one... especially if the system were designed to detect and frustrate such attempts.

    The same service could reserve the shorter numbers (say, 12-16 digits) for more public purposes. Say, I might buy a 16-digit number & post it to social media after linking it to a service that charges callers $20 to complete the call (if I answer) & pays ME $15 for answering it if I agree to talk to the caller for at least a minute. We could ALL have the equivalent of 1990s-era 900/976 numbers to give out to the public & use dollars as a tool for screening our calls. I might even set up one number with a $5 charge explicitly FOR telemarketers to call me at, agreeing to give them 5 minutes of my time in exchange for paying me to listen.

    Or... I could point one number to a bot that answers the call, then makes the caller play "Simon Says" & spend 10-20 minutes answering captcha-like puzzles for the privilege of making my phone ring (or the privilege of leaving me a message) for free.

  13. The Phone Companies Can Solve Robocalls Overnight by pepsikid · · Score: 4, Insightful

    Robocalls CAN BE STOPPED.

    It's the phone companies who can't be stopped! From letting 50% of all calls come from a tiny minority of customers and not flag that as suspicious behavior. And remember, in the USA they charge the chump receiving the call as well. We should end that, how bow dah?

  14. Re:Robocalls by ShanghaiBill · · Score: 5, Insightful

    I've never in my life experienced a robocall. If we can avoid them in Europe, so can the US.

    Most European countries ban anonymous spoofing.

    America does not.

    America's political system does not respond well to geographically distributed problems. If all the robocalls happened in a single swing state, they would stop tomorrow.

  15. Or: just charge per call by goombah99 · · Score: 4, Interesting

    it should cost 5 cents for every call placed. The money would go to the carrier of the person receiving the call and taken from the carrier of the person making the call. It would be up to each carrier to decide how to bill or refund the money to keep this simple.

    I can easily afford 5 cents a call (note not 5 cents a minute). And Likely they would reimburse me an other casual callers, just not industrial scale ones.

    This way no one has to actively do anything, like report a call. It just snuffs out the tragedy of the commons with a trivial fee.

    --
    Some drink at the fountain of knowledge. Others just gargle.
    1. Re:Or: just charge per call by smi.james.th · · Score: 4, Informative

      As much as I enjoy your mindless Trump bashing, you realise that this has been the case in the US since the very beginning? It's not as though Donald had anything to do with this particular eccentricity of the American infrastructure.

      --
      One thing I know, and that is that I am ignorant...
    2. Re:Or: just charge per call by Trogre · · Score: 3, Insightful

      Wait, you people don't pay to make calls, but pay to *receive* them? Holy crap your country really is backwards. Do you get paid when you gas up your car?

      How the hell did this happen? And how did it only happen in the past two years?

      --
      "Nine times out of ten, starting a fire is not the best way to solve the problem." - my wife
  16. SIT tones by emil · · Score: 4, Interesting

    It is far easier to place a SIT tone sequence at the start of your voicemail. The technique is shockingly effective. https://lifehacker.com/trick-a...

  17. how come I get no Robocalls? by houghi · · Score: 3, Informative

    I get no robocalls. I have the same number since 20 years, or so. In that period I have received no robocalls. I also have received no calls from companies I had no business relation with.

    The companies I had a businesss relationship with (i.e. I bought something from them in the last year) stoped the moment I asked them to.

    So ckearly it IS possible to stop these type of calls. I also never heard any of my friends having any issues.

    Disclaimer: I live in Belgium. I also work ata company and we do robocalls to our own customers who are late with payments. Sometimes we have the wrong number, so yes, unwanted robocalls do exist.

    --
    Don't fight for your country, if your country does not fight for you.