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  • OT: coming anti-robocall system

    "Experts in the telecommunications industry have developed a new system that could make it harder for fraudsters to bother you with incessant phone calls.

    Called the 'STIR/SHAKEN' system, it would attach a certificate of authenticity to each phone number, adding an extra layer of verification..."


    http://www.dailymail.co.uk/sciencete...ne-number.html

    http://nymag.com/selectall/2018/05/h...ir-shaken.html

  • #2
    Bout freaking time something was done. I swear, this is ending voice communications as we know it. Young people simply don't answer their phones. I run a business and 3/4 of my calls are bots. This is insane. Make spoofing a felony. Even simply charging a penny a call would kill this crap off.

    Comment


    • #3
      We've had the technology for years. When I worked in the "Advanced Intelligent Network" group at the phone company in the 1990s we worked on special features that required computer processing of phone calls. We could route phone calls to 1-800-pizzahut to the nearest Pizza Hut.

      My idea is pretty simple and easy to implement. When you get a spam call, dial *spam (*7726). That's all YOU do.

      The phone system can be made to log the phone number that the call came from as reported by the originating phone company. If the majority of the calls placed by a single phone number are tagged as SPAM, the phone will be blocked from making calls for X hours the first time. The second time it will be blocked twice as long. Third time it will be blocked until the originating phone company indicates that the number has been re-assigned.

      But wait! There's more! Each phone number or block of numbers is listed in a database that is used to figure out if 408-422-0011 is tto be sent to AT&T's office in Salinas, Ca or Verizon in San Diego. This same database can be used to confirm that the calling number is valid. No more faked caller ID.

      But what do you do when a call is coming in via VOIP? VOIP uses the internet to make a call from a VOIP interface to the phone net. The VOIP lines are assigned phone numbers. You can use the technique in the previous paragraph to block any call that is coming from a VOIP interface with a number not assigned to that interface.

      What do you do when a VOIP provider keeps rolling the spammers to new numbers? Not too hard to handle. Make the VOIP providers responsible for the spammers. If more than 20% of the calls over a long span of time are tagged as being spammed, then block that VOIP provider from sending any calls for a period of time.

      It's easily implemented without needing new hardware. The SS7 (aka CCS7 or C7) network is already capable of passing the queries. Most of the databases are there already. If I was still there, I could write the code in a matter of months.

      OH well, at least the FCC is taking some steps. AT last.
      At the end of the project, there is a profound difference between spare parts and extra parts.

      Comment


      • #4
        I just don't bother with answering the phone. If it's important, they'll leave a message. If it's a message from a 'bot, I can delete it with a single keystroke before it finishes the first sentence.

        The problem with trying to fight software with software is one of infinite escalation. It is WE who must upgrade!

        Comment


        • #5
          This has gotten out of hand. The do not call list is a joke.
          I signed up for NOMOROBO and that has stopped a lot of calls. every now and then one or slip through and I just block it.
          https://www.nomorobo.com/signup

          JL.....
          Last edited by JoeLee; 05-18-2018, 12:26 AM.

          Comment


          • #6
            Originally posted by danlb View Post
            We've had the technology for years. When I worked in the "Advanced Intelligent Network" group at the phone company in the 1990s we worked on special features that required computer processing of phone calls. We could route phone calls to 1-800-pizzahut to the nearest Pizza Hut.

            My idea is pretty simple and easy to implement. When you get a spam call, dial *spam (*7726). That's all YOU do.

            The phone system can be made to log the phone number that the call came from as reported by the originating phone company. If the majority of the calls placed by a single phone number are tagged as SPAM, the phone will be blocked from making calls for X hours the first time. The second time it will be blocked twice as long. Third time it will be blocked until the originating phone company indicates that the number has been re-assigned.

            But wait! There's more! Each phone number or block of numbers is listed in a database that is used to figure out if 408-422-0011 is tto be sent to AT&T's office in Salinas, Ca or Verizon in San Diego. This same database can be used to confirm that the calling number is valid. No more faked caller ID.

            But what do you do when a call is coming in via VOIP? VOIP uses the internet to make a call from a VOIP interface to the phone net. The VOIP lines are assigned phone numbers. You can use the technique in the previous paragraph to block any call that is coming from a VOIP interface with a number not assigned to that interface.

            What do you do when a VOIP provider keeps rolling the spammers to new numbers? Not too hard to handle. Make the VOIP providers responsible for the spammers. If more than 20% of the calls over a long span of time are tagged as being spammed, then block that VOIP provider from sending any calls for a period of time.

            It's easily implemented without needing new hardware. The SS7 (aka CCS7 or C7) network is already capable of passing the queries. Most of the databases are there already. If I was still there, I could write the code in a matter of months.

            OH well, at least the FCC is taking some steps. AT last.
            All I want is a simple app that blocks incoming calls from any number that's not in my contacts folder.Cause frankly if I don't know them,or owe them they can FOAD.
            I just need one more tool,just one!

            Comment


            • #7
              Originally posted by JoeLee View Post
              This has gotten out of hand. The do not call list is a joke.
              I signed up for NOMOROBO and that has stopped a lot of calls. every now and then one or slip through and I just block it.
              https://www.nomorobo.com/signup

              JL.....
              That's because congress,with bi-partisan support exempted political and charitable organizations from the NDNCL.And as with any rule,if you make exceptions for some,then the rest will exploit it.
              I just need one more tool,just one!

              Comment


              • #8
                I run a business as well and this is 75% of our calls during the slow season. Drives me crazy! I have tried almost everything. The calls have really tapered off the last few months. I started to get really nasty with them, ruin their day make them think of a different career kind of nasty, personal nasty. It doesn't feel good to do but I'm the one getting harassed here. I figure they must have a 'real' do not call list - "don't ever call his guy again list". When they call and ask for me by my formal name I tell them "Oh he moved out and doesn't live here any more" to which she said "ok we will update our records". Haha!

                They have become good at spoofing numbers of other people so you will pick up.

                Comment


                • #9
                  One quick way to get rid of some is to simply dial 2 or 9 which seems to be the two choices for being taken off their dialing list.
                  I just need one more tool,just one!

                  Comment


                  • #10
                    Originally posted by wierdscience View Post
                    That's because congress,with bi-partisan support exempted political and charitable organizations from the NDNCL.And as with any rule,if you make exceptions for some,then the rest will exploit it.
                    Well, for what ever the reason....... My carrier allows me to block up to 100 calls, I filed that list with in a couple weeks. Then I have to start deleting some so I can add new ones. It never ends.
                    NOMOROBO has been working pretty well. It's probably stopped about 90% of the BS calls which for me sometimes start at 8:00 am and can got until 10:00 pm. Quite annoying.
                    Some calls even show up on my caller ID as local numbers and names. I guess that's called "neighborhood spoofing".
                    Some calls are now showing up with "SPAM" in the caller ID, the phone rings once and that's it. The one ring means the call was blocked, but even the one ring is enough to distract me if I'm on a machine or doing something.

                    JL...............

                    Comment


                    • #11
                      NoMoRoBo used to be very good. Now, not at all. At first it was 1 ring and killed. Then it was 2 rings. Now hardly any calls are killed. I think that their servers are being overwhelmed.

                      Comment


                      • #12
                        I used to get nasty with them, even call them back if I could get a number to call back, and waste their time thinking they would get tired of me and not call. Didn't work. Now we just let the machine answer and don't pickup unless it is someone we want to talk to. As we tell friends what to expect they say something like "yeah, we should do that too" or "don't blame you we get tons of those calls too". People you know will understand. It's just a different way of answering the phone. After it rings instead of just picking up you have to see if you want to now.

                        Comment


                        • #13
                          A simple front-end system that answers the call and asks the caller the name of the person they are trying to call before transferring the call to you should filter most of the robocalls. That would be great if Siri could answer all calls and only let the callers that know your name through. I'd enable that right away. Maybe I should see if the iPhone APIs allow an application like that to be written.

                          Comment


                          • #14
                            Originally posted by wdtom44 View Post
                            I used to get nasty with them, even call them back if I could get a number to call back, and waste their time thinking they would get tired of me and not call. Didn't work. Now we just let the machine answer and don't pickup unless it is someone we want to talk to.
                            If it's an actual person I ask why I should consider doing business with a company of which I only know one thing for certain: they're willing to break the law.

                            Comment


                            • #15
                              Originally posted by Bob Engelhardt View Post
                              NoMoRoBo used to be very good. Now, not at all. At first it was 1 ring and killed. Then it was 2 rings. Now hardly any calls are killed. I think that their servers are being overwhelmed.
                              Not my experience at all. I rarely get 2 rings. Been using it for a couple of years and my carrier recommends it.

                              RWO

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