[HN Gopher] Report Phone Spam - Shut down robocallers and text s...
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Report Phone Spam - Shut down robocallers and text spammers
Do you receive unsolicited phone calls or SMS/text spam? I made a
free public service site explaining how to find the telecom carrier
that is responsible for the spammer's (real) phone number and
report the abuse to them - so the carrier can terminate their
service. It works, and it feels like magic. Background: Earlier
this year, I wrote an HN comment[1] explaining how to find the
telecom carrier responsible for a robocall or SMS spam campaign.
Those steps aren't documented anywhere else, even though they're
actually pretty easy. This info deserved to be much more visible,
so now it is: https://reportphonespam.org/ As my site says, most
reputable telecom carriers don't want unsolicited messages on their
network or phone numbers. In order to disconnect their abusive
customers, they need to hear about the abuse. That's where you come
in. In a few minutes, you can report abuse to the responsible
carrier, who will investigate and often shut off the spammer's
phone number(s). [1]:
https://news.ycombinator.com/item?id=34570065#34570835
Author : troydavis
Score : 99 points
Date : 2023-12-03 14:49 UTC (8 hours ago)
(HTM) web link (reportphonespam.org)
(TXT) w3m dump (reportphonespam.org)
| paultopia wrote:
| Is there any reason to think that this would work for political
| party donation spam? Do the telecom carriers that provide
| services for all those horrific text messages about how the other
| party is going to install a dictator unless you donate to them
| right now actually care enough to punish those?
| troydavis wrote:
| From firsthand experience, yes, it works for unsolicited
| political party donation messages. Not 100% of the time, but
| way more than 0%.
|
| These wholesale carriers know that recipients will flag
| unsolicited political messages as spam (to the recipient's
| wireless provider), and they don't want consumer wireless
| providers to block or heavily rate-limit messages from their
| phone numbers. The political campaigns cycle through phone
| numbers, so their unsolicited messages can "taint" many phone
| numbers - which will affect other customers' campaigns. The
| wholesale carrier's incentives aren't perfectly aligned with
| your incentives, but they're not totally different.
| simfree wrote:
| It's also common practice to hard drop abusive campaigns that
| do not respond to STOP, HELP and similar keywords at the
| provider's SMSC, and just collect the revenue from them
| texting your clients.
|
| The 10DLC cartel wants to fine instances of unsolicited text
| messaging up to $20,000 per instance, hence why there is a
| big pushback against registering with this unsanctioned, not
| FCC mandated organization called The Carrier Registry (TCR).
|
| TCR has been a nightmare to work with for those that do
| participate in their bureaucracy. You fill out pages of forms
| with everything from EINs/SSNs to the owners and co-owners of
| the firm and exact examples of what they plan to text, then 6
| months or so later the TCR says "Oh, sucks to be you, we're
| invalidating all current registered companies, pay $50 to
| register again and fill out entirely different forms!
|
| Also, T-Mobile is tacking on a new inactivity fee of $xx a
| month per business if your client doesn't message a T-Mobile
| number every few days :D"
| solardev wrote:
| In the US you can report them to the FCC:
| https://www.fcc.gov/rules-political-campaign-calls-and-texts
|
| Keep in mind that sometimes they can skirt the rules by not
| using automation per se. Instead, they have a bunch of
| volunteers sit in a room (or online) with special apps that
| distribute a phone number list (often from NGPVan or the
| Republican equivalent, forget what it's called) between the
| individual devices. Then each human has to click "send" or
| "call". It still gets routed through their VOIP systems, but
| because there's a human in the loop, it's no longer fully
| automated... just like 90%, enough to get around the FCC rules.
|
| It's pretty sketch. I went to one of those volunteer parties
| before I realized that's what they're doing.
|
| Thankfully Google Fi does a really good job at blocking this
| kind of spam, texts or calls.
| troydavis wrote:
| Just to clarify for anyone reading, this meets the FCC's
| requirements (ie, it's legal and the FCC won't do anything
| about it), but it generally is _not_ allowed by the terms of
| use of the underlying wholesale carrier.
|
| So, you should still report it to the sending carrier.
|
| Background: Most larger, reputable US-based wholesale
| carriers have policies that are similar to the CTIA's
| guidelines for political campaigns:
| https://www.ctia.org/news/political-text-messaging-
| engaging-... . CTIA sets a much higher threshold, including
| opt-in permission.
|
| This is a bit like the FCC's definition of email spam (a very
| low bar - what's legal) vs. a mainstream email service
| provider's terms of use (a much higher bar - what they permit
| you to send through them).
| solardev wrote:
| Thanks for this clarification/differentiation!
| jwie wrote:
| The first order problem with spam calls/sms is you probably opted
| in to something. Most spam, like it or not, you asked for, and
| they can almost certainly prove it.
|
| The TCPA lawsuit business was so lucrative for years that a lot
| of effort goes into producing proof that the contact is legal.
| Rather than stopping spam calls these laws basically guarantee
| spam, but legal spam.
|
| Also carriers have pretty well cracked illegal spam through their
| own analytics. Some still happens, but it's cleaned up extremely
| fast.
| Retr0id wrote:
| I can assure you, I did not ask for the SMSes telling me to go
| pay outstanding postage fees at a fake website.
| fortran77 wrote:
| This is easily proved wrong. If I get a brand new cell phone
| number, I still get calls for complete scams even though that
| number, as far as I've owned it, never opted in to anything.
| troydavis wrote:
| > The first order problem with spam calls/sms is you probably
| opted in to something. Most spam, like it or not, you asked
| for, and they can almost certainly prove it.
|
| At least in my case, this isn't true. When reporting SMS spam,
| I've often told the carrier to ask their customer for proof
| that I opted in (because I didn't). None have - again, because
| I didn't opt in to it or anything else.
|
| I don't know how true your assertion is among the general
| population, but my experience may at least be representative of
| other HN readers. Many of us don't randomly give out our mobile
| numbers.
| iAMkenough wrote:
| In my case, the old dead guy that had my number before gave his
| number to some booth at the state fair (or so one spammer
| claimed). And then that number got sold to all sorts of medical
| scammers and political campaigns.
|
| I always ask what my name is when an unknown caller calls, and
| 90% of the time it's the old dead guy.
|
| I did not opt in, yet here I am getting a few dozen calls per
| week at all hours of the day.
| simfree wrote:
| For TCPA compliance purposes, they should be pulling the
| deactivated numbers list (which Twilio offers for free),
| checking the do not call list, and querying the reassigned
| numbers database to establish safe harbor against TCPA
| lawsuits.
|
| This is really expensive to do (the RND and Do Not Call lists
| are very expensive to query, the FCC needs to make these
| cheaply available) and automation for doing these queries is
| not offered by most phone providers.
| balderdash wrote:
| This is comically false - unless you mean that by providing my
| phone number to someone I've opted in (and I'm not talking
| about buried in some TOS (which is still BS), but say my local
| dry cleaner who spams me because I provided my phone number
| when they asked for my name and phone number when I dropped my
| clothes off.
| fortran77 wrote:
| My Voip provider allows for sending receiving text messages as
| well, and I can certainly set the outgoing number. In our office,
| there are about 10 different phone numbers, but all outgoing
| texts are set to come from our "main" number no matter who sent
| it. And I've been able to change this number to my cell phone
| number and other numbers that aren't from the VOIP provider.
| troydavis wrote:
| This is good to know. If you're comfortable sharing, could you
| email me your VoIP provider or a phone number they're sending
| from? Address is in my profile. I'd like to learn more.
|
| For anyone else reading, this service is called "10 Digit Long
| Code" AKA 10DLC. Many business-oriented VoIP providers
| eventually use a vendor like Syniverse or Sinch for the
| outbound SMSes. Those wholesale carriers usually either
| strongly encourage their customers to require verification of
| sending numbers, or outright require it in the contract. This
| appears in the wholesale carriers' guidance to their customers,
| like https://syniverse-web.s3.amazonaws.com/10DLC-Carrier-
| Pricing... and https://www.sinch.com/sites/default/files/file/2
| 023-03/Intel.... From your experience, it's clear that there
| are exceptions.
| simfree wrote:
| SMS enabling offnet numbers has gotten stricter over the last
| few months, Bandwidth.com will not enable wireless numbers
| for SMS, and if there is an existing routing record
| (eSPID/NNID) most vendors require this be removed by the
| losing SMS provider prior to enabling a number for offnet
| SMS.
|
| I used to be able to SMS enable my T-Mobile numbers offnet,
| but every 30 days TMobile would take this back.
|
| 10DLC is being strongly pushed by some carriers, while others
| are still permitting conversational traffic (for every one
| message that goes in, one should come back, with a 10% margin
| in either direction) to go over P2P rails.
|
| With The Carrier Registry invalidating all registered
| organizations and campaigns every few months, triggering
| everyone to fill out a ton of paperwork, pay $50 or more to
| re-validate every business, and also the recent sudden
| devalidation of every sole proprietor 10DLC registration, I
| don't blame those who don't want to participate in this
| unsanctioned cartel formed by the big three wireless
| carriers.
| fortran77 wrote:
| I'm going to confirm I can still use a number that's not in
| my "block" from them, and if so I'll tell you who it is.... I
| haven't had it on my cell number in at least 6 months.
| mnadkvlb wrote:
| This is really nice.
|
| Would be great if you can also include some examples for Europe.
|
| Of couse, i would be up to do some digging if you need help.
| timthelion wrote:
| Do you get unsollicited phone calls in Europe? In Czechia it
| almost never happens, maybe once every three months...
| troydavis wrote:
| Thank you! I put what little I knew in
| https://reportphonespam.org/#not-in-the-us-or-canada , but
| that's not much :-) I'd welcome any other ideas or additions.
| My email address is in my HN profile.
|
| One of the carrier lookup APIs that the site recommends,
| Twilio's "Line Type Intelligence" API, may support numbers in
| other countries. That might be a place to start:
| https://reportphonespam.org/#How-do-I-look-up-more-numbers
| giancarlostoro wrote:
| The amount of spam I get since I left Googles old number service
| is insane. Whats worse is some will say reply stop to stop and
| just send you more bullshit.
| davchana wrote:
| most of the time, STOP, UNSUBSCRIBE (or clicking any link)
| marks the phone number or email as hot, and gets sold for more
| money in the market.
| conception wrote:
| I wanted to note that for email this generally isn't the
| case. Really spammy spam generally is easy to catch, I don't
| think I've seen any in over a year. Any legitimate business
| generally adheres to unsubscribe requests. So if you
| unsubscribe from stuff hitting your mailbox generally you'll
| stop getting it. My mailbox pretty much only gets signal to
| it, almost zero noise.
| otteromkram wrote:
| Sir, this is Wendy's.
|
| No need to note; the topic is telephone and SMS. Everyone
| is probably familiar with spam mail and unsubscribing from
| it.
|
| Email is still manageable and less personally invasive than
| someone calling you or sending a message at random.
| davchana wrote:
| just wanted to add an exception, the non-generally part
| example.
|
| https://docs.google.com/spreadsheets/d/e/2PACX-1vSdZyRvDd0E
| S...
|
| this is the log of email spam I am getting since about few
| years now. The sheet doesn't list any email link, but each
| one of that link is unique, the soam machine sends me 10x
| spam if I accidentally click it.
| phkahler wrote:
| Step 1 - ignore the callerID and engage with scammer to get their
| real number. Because us carriers can't be bothered to tell you
| where a call is actually coming from.
| Someone1234 wrote:
| In 2023, if you're using a major commercial provider, and the
| caller ID is a US-originating number you're more likely to see
| accurate Caller ID than not. STIR/SHAKEN has been widely
| adopted, and networks now have permission to drop calls
| providing inaccurate digital signature.
|
| Even as of last year caller ID accuracy was bad.
| barkerja wrote:
| It is still ridiculously easy to spoof a number. I'm on
| Verizon with the enhanced caller ID, and it happens
| consistently on a weekly basis.
| yellow_lead wrote:
| That's an issue with Verizon then. They should be able to
| see that the number is spoofed, as it will have a
| lower/lack of attestation from the originating carrier.
|
| Stir shaken doesn't prevent spoofing but it lets
| terminating carriers validate that the number is legit
| before sending the call to their customer.
|
| My old team implemented stir shaken for one of the large
| voip carriers.
| dboreham wrote:
| My solution since 2002: don't answer the phone.
| bhpm wrote:
| Same here but every time I post that on this site I get replies
| about how they have to answer the phone because their kid could
| have fallen down a well and their wife could be in a coma and
| the police would be trying to contact them and if they don't
| jump to answer the phone every time it rings their entire
| family could be murdered.
|
| So IDK. It seems to be a problem, I just don't have enough of a
| life for it to be for me.
| otteromkram wrote:
| Every time you post...with a brand new account?
|
| You don't even have any submissions, yet.
| zamadatix wrote:
| Some folks cycle throwaways over time instead of allowing a
| consistent identity to be built. The guidelines request
| nicely against doing so but some always do anyways of
| course.
| nvy wrote:
| That's because HN prioritizes aesthetics over privacy and
| won't allow you to delete your account and all its
| comments.
| zamadatix wrote:
| Being able to delete an account allows you to decide to
| remove your information from the site after a certain
| point. Cycling accounts is about not letting someone who
| looks at a single account at any time find enough
| information to piece together your identity at any point.
| Both are privacy related but the former is not a lead-in
| to the latter.
|
| As one who'd also like to see the ability to fully delete
| your HN account for privacy reasons I still think
| summarizing the alternative reasons as only aesthetics
| sells the counterarguments a bit short...
|
| ... but overall I'm getting myself and the whole
| conversation extremely off topic here. Probably best to
| discuss this in a thread about privacy on HN instead of
| one on robocallers.
| pixl97 wrote:
| That said, who doesn't send SMS texts also, at least in the
| US?
| zamadatix wrote:
| You can cut through a surprising amount of spam by just
| reading the voicemail after letting an unknown number ring.
| If they didn't bother to leave one it was either not at all
| important or the vast majority of spam calls. If they did
| leave a voicemail you can generally tell whether it seems
| even remotely legitimate and, if it does, call back at the
| number. E.g. if you have a kid and the school calls they will
| leave something generic like "It's so and so elementary
| calling for <your name>..." you call the school's main number
| back and say "so and so called looking for me" and get
| directed to them.
|
| OTOH it seems if you ever answer these even once you're no
| longer a random number to try you're immediately marked as a
| real person who can be tricked into answering at least some
| calls and will never hear the end of the endless ringing.
| AussieWog93 wrote:
| This might be a cultural thing, but at least in Australia
| nobody under the age of 60 would ever leave a voicemail.
|
| If you're deliberately making yourself hard to contact this
| way, a lot of people will just stop calling you.
| doublepg23 wrote:
| My friends wouldn't leave a voicemail but a nurse at my
| doctors office absolutely would.
| zamadatix wrote:
| This is genuinely pretty shocking to me. Would e.g. the
| person calling from the school about your kid getting
| hurt during recess just hang up and assume you'll call
| back immediately during the workday on the basis you had
| a missed call?
|
| If you mean for people you have relations with
| (friends/family/coworkers) most here gave up memorizing
| numbers a long time ago and none of those would show as
| an unknown number. This is common enough here in the US
| that the iPhone has a built in feature to only ring for
| known contacts and for unknowns only notify voicemails.
| TeMPOraL wrote:
| Does anyone still has voicemail _enabled_ in the first
| place? Can 't remember the last time I was connected to
| one. Can't remember last time I had one attached to my
| number either.
|
| (Geo context: Poland, EU)
| wlll wrote:
| UK here, called my phone company many many years ago and
| had them disable voicemail. It's now impossible to leave
| me a voicemail. It's fantastic. In all those years I've
| never (that I know of) missed an important call, people
| call back if they need to.
| mastazi wrote:
| Wait a second, do you pick up any call you receive? IME
| Australia is one of the worst places with regards to spam
| calls (by far the worst out of all countries I lived in),
| if I allow calls from numbers not already in my contacts,
| I get an average of around 10 spam calls per week. If
| it's something important like my daughter's school or
| strata or the lawyer, they do leave voicemails.
| doctor_radium wrote:
| Lol. T-Mobile has gotten good at flagging spam calls as "Scam
| Likely", but for the landline I do the same thing. (I don't
| believe landline carriers...at least in the US...were forced
| to implement Stir/Shaken, so it gets the full brunt.) My
| logic is always that if it's important, they'll leave a
| message. The landline message also includes the three
| escalating (line disconnected) SIT tones, which I would like
| to think helps. But if the spammer uses speech-to-text
| technology, I'm screwed.
|
| > Instead, report the phone number that the call instructs
| you to contact.
|
| Under the above scenario most callers aren't dumb enough to
| leave a message, and I'd be concerned that actually engaging
| with anybody would increase the number of calls, at least in
| the short term.
|
| If you're a staffer running the honeypot lines at the FCC, it
| would be fine because you can go home at the end of the day,
| but for a personal number I would need convincing. Would love
| to hear testimonials from anyone who tried this technique and
| their interpretation of the results.
| nvy wrote:
| I simply have a whitelist of numbers I'll answer.
| lotsofpulp wrote:
| My ATT mobile stopped getting spam calls in mid 2022. It was
| quite a sudden drop off between the couple years before that.
| Loughla wrote:
| US cellular did too, but it's picked back up in the last
| month or so. So I'm guessing scammers figured out the system
| again.
| xyst wrote:
| If I did this, I wouldn't have a job
| jdanyow wrote:
| Would it be possible to build an app to automate all this?
| troydavis wrote:
| Great question. I think the biggest challenge would be
| maintaining high-quality reports/complaints. Basically,
| preventing people from reporting things that they opted in to
| but are frustrated with (just because it's really easy to do).
| There's a chance that the reports would actually become worse
| (less actionable) if it was too easy or too automated.
|
| A small challenge is that the high-quality carrier lookup APIs
| charge a fee for each query. The fee is tiny (like 1/10th of a
| cent per number), but enough to add up.
|
| If anyone is interesting in discussing this, my email address
| is in my HN profile.
| whoopsie wrote:
| I see no downside to frustration also blocking a business.
| Dark pattern sub/unsub? Messaging hourly because marketing
| thinks you're that important? Either pay to design an
| experience respectful to customers or pay after the fact for
| losing access.
| mullingitover wrote:
| I wish we could euthanize this garbage, antiquated phone system.
| It shouldn't be expected/required that every adult has a phone
| number when the system is so irredeemably broken and dangerous.
|
| If the web didn't have HTTPS, it would be illegal to conduct
| sensitive business over it. Yet we're stuck with this entrenched
| telephone system, the best we can do is STIR/SHAKEN, and that's
| not real security.
| AgentOrange1234 wrote:
| 100%. My son got sick at school last week and I ignored the
| call from the school nurse because I have been so thoroughly
| conditioned by daily scam calls to ignore any unrecognized
| number. It's insane that this is still a problem.
| hackernewds wrote:
| get an android and use "screen my call"
| tinus_hn wrote:
| You can rest assured that the phone company 100% securely knows
| who to bill for the call. They just aren't telling you.
| varelse wrote:
| Or simplify a white list for all cell phones by default. But just
| like they make it hard to keep your snail mailbox from being
| clogged from garbage, this remains hard.
| kornhole wrote:
| I mainly stopped using phone calls years ago, and I hope more
| people also do. I ported my main number to voip.ms and created a
| couple others to use for pseudonymous accounts. The service is
| cheap at about $1/month per number, but it is a little technical
| to configure and is sometimes spotty. My phone number has
| sometimes been unregistered/out of service for long periods which
| has been a bonus. Nobody who really knows me calls me on the
| phone. Instead they know to go to my web page that has many ways
| to call me including a URL to a Nextcloud Talk conversation,
| Simplex, Session, XMPP, and Matrix.
|
| If you want a slightly more expensive but simple and reliable
| number on Android, I highly recommend jump.chat.
| nick__m wrote:
| I also use voip.ms and the only time they where unreliable was
| when they were under a DDOS attack. What equipment do you use
| to bridge the voip to your physical telephone? I suspect that
| it would be your principal source of unreliability.
| KomoD wrote:
| > If you want a slightly more expensive but simple and reliable
| number on Android, I highly recommend jump.chat.
|
| What? This is just a video chatting service like zoom...?
| ossguy wrote:
| I think they meant https://jmp.chat/
| WillAdams wrote:
| This is enabled by essentially free communication --- while it's
| probably not feasible to go back to the rates Ma Bell used to
| charge so as to fund their infrastructure (and generous pensions,
| and stock dividends)....
|
| Why not have a system where a small amount of money is put in
| escrow when a call is placed? If the person who answered the call
| is displeased by it, they can punch in a command at the keypad
| after the call to claim the money.
| xyst wrote:
| This is equivalent to having a "premium number" (like the pay
| by minute or per txt)
| TeMPOraL wrote:
| > _Why not have a system where ..._
|
| Because phone operators _make money_ on all those robocalls,
| and have so far decided they 'll make more money allowing it,
| than trying to obstruct it.
|
| And, I mean, what are you going to do? Change your phone
| operator? They're all the same. Switch to using
| WhatsApp/Signal/etc. for calls? Sure, but you're still paying
| some telco for the mobile data plan.
|
| That's the problem: all the actors with leverage here are
| happily making money on the scheme; regular customers... have
| no leverage.
| dmckeon wrote:
| My spam calls are down to 1 or 2 per month after using
| nomorobo.com for 5 years. It is not direct action as TFA
| suggests, but it works well for me. Callers reach voicemail,
| almost never leave messages, and the phone almost never rings.
| Free for VOIP numbers, $20/year for mobile. Several similar
| alternatives exist.
| Rapzid wrote:
| It's a sad state. We are right on the cusp but I seem to have no
| way to block all unverified numbers. But the verified number
| system is in place!
| naveen99 wrote:
| Use iPhone focus feature, whitelisting contacts phone calls. Just
| need to manually add notifications from frequent contacts. Works
| pretty well.
| zamadatix wrote:
| The iPhone calling app has a more direct native setting for
| this "Silence Unknown Callers". Anyone in your contacts or
| recent outbound calls will still ring, everyone else is
| silenced (without having to change your global focus).
| AlexITC wrote:
| This is very helpful, in Mexico, we have a couple of government-
| provided services where you register to not get
| advertise/financial calls, when you do, you can report them, and,
| in theory, the organizations could get considerable bills due to
| this violation.
|
| I have been thinking that we should make an app to automate the
| reporting process.
|
| A fun detail is that the government sells the lists of people
| that do not want to get contacted.
|
| Also, lately, I have been getting many calls that are supposedly
| coming from the UK.
| jupp0r wrote:
| It already takes me 45 minutes of my time to get a hold of a
| support person of my own carrier and I'm a paying customer.
|
| I commend the effort, but getting a human to answer a support
| hotline call in order to report a spammer number is so comically
| difficult and ineffective that I can't see a significant amount
| of people participating. Why doesn't my carrier have an automated
| system allowing them to communicate with the originating carrier,
| triggered by the "report spam" button in my telephone OS?
| viraptor wrote:
| Because contrary to the page, they don't really care about the
| spam that much. Now, if more people started calling the support
| for every spam they get... that would translate to some real
| cost.
| habosa wrote:
| I got a spam call seemingly "from Verizon" (their main number) on
| my Verizon phone.
|
| I called them and told them and they said "oh yeah that happens
| all the time don't pick up when we call"
|
| That's when I realized we'll never win. The spammers have won.
| TeMPOraL wrote:
| > _That's when I realized we'll never win. The spammers have
| won._
|
| It's tough, but it's not helpful that people don't know the
| face of the enemy. The fight isn't with just some stereotypical
| "spammers". Advertisers and marketing departments _are_
| spammers, and they 've destroyed phone as a medium, much like
| they did it to physical mail, radio, broadcast TV, cable TV,
| and now streaming and the Web in general. We won't make
| progress until we realize that most spammers are operating 100%
| legally, and phone networks both participate in it and _make
| money from it_.
| 7373737373 wrote:
| What an utter technological failure. How and why is this even
| (still) possible?
| TeMPOraL wrote:
| Why are ads a thing on cable? On the web? It's literally the
| same problem, and since this site's audience is likely more
| familiar with the latter, it should be clear it's not a
| _technological_ failure, but a social /legal one.
| xyst wrote:
| A case where LLMs or ChatGPT would be very handy.
|
| Setup honey pot number. Route all phone numbers to be answered by
| ChatGPT. Use ChatGPT to extract phone number. Use twilio api to
| lookup phone number. Route report to appropriate carrier(s)
| hackernewds wrote:
| > route report to appropriate carrier
|
| hilarious to assume that would exist, it is very manual. if any
| carrier attempted to automate it, it would be used offensively
| for fraud as well
| underseacables wrote:
| Why can't we reverse the flow? A phone number that is spam, what
| if we throw it right back at them? Especially text spam. A lot of
| times it's not even a phone number, and that's just wrong. But if
| it is a phone number, it would be nice to put that into a website
| and have that phone number up voted by other people who have
| gotten spam. If it reaches a certain vote total, then it can be
| confirmed as a spam number, and the software starts overwhelming
| it with messages and calls.
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