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Cellphones Communications Government Wireless Networking Your Rights Online

Emergency Broadcast System Coming To Cell Phones 256

Posted by samzenpus from the set-your-emergency-to-vibrate dept.
gambit3 writes "The Emergency Broadcast System that interrupts TV programming in times of crisis is jumping to a new format where it might be able to reach you better — on your cell phone. The communications company Alcatel-Lucent announced Tuesday that it's creating a Broadcast Message Center that will allow government agencies to send cell phone users specific information in the event of a local, state or national emergency. It will be similar to the TV alerts in that the text messages will be geographically targeted for areas where a tornado alert or major road closure, for example, is in effect."
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Emergency Broadcast System Coming To Cell Phones More

Emergency Broadcast System Coming To Cell Phones

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  • will you have to pay for incoming and roaming (Score:5, Insightful)

    by Joe The Dragon ( 967727 ) on Wednesday November 17, 2010 @03:27PM (#34258700)

    will you have to pay for incoming texts? and maybe even roaming text fees as well?

    Will it still work if you have texts blocked? (as to not have to pay for incoming texts?)

    • Re:will you have to pay for incoming and roaming (Score:4, Insightful)

      by Monkeedude1212 ( 1560403 ) on Wednesday November 17, 2010 @03:35PM (#34258842) Journal

      I Really doubt it they'll charge you for it. If they can have Toll Free phone numbers I think they can manage toll free Text messages.

      And if you block texts, I suppose that'd be about the same as having your TV turned off - or not hooked up to any input.

      • Re:will you have to pay for incoming and roaming (Score:3, Insightful)

        by rwa2 ( 4391 ) * on Wednesday November 17, 2010 @04:00PM (#34259332) Homepage Journal

        Oh, don't worry, you will pay for it.

        But instead of a nickel or a quarter per alert, it'll just come as another mandatory "911" fee on your monthly statement, for your convenience. You'll end up wishing they only charged you a quarter per alert ;-P But the government will negotiate the rate for you, so you will be guaranteed that it will be fair.

        • Re:will you have to pay for incoming and roaming (Score:2)

          by rwa2 ( 4391 ) * on Wednesday November 17, 2010 @04:03PM (#34259374) Homepage Journal

          ..ly generous to the carriers. :P

        • Re:will you have to pay for incoming and roaming (Score:2)

          by eleuthero ( 812560 ) on Wednesday November 17, 2010 @04:16PM (#34259606)
          This is not necessarily new - they have had opt-in free text messaging services in different areas of the country for at least two years now. Will the carriers start charging if it becomes nationwide? Yes. Have they up to now? Not where I used to live.

          • Re:will you have to pay for incoming and roaming (Score:2)

            by Obfuscant ( 592200 ) on Wednesday November 17, 2010 @05:40PM (#34261004)
            This is not necessarily new - they have had opt-OUT free text messaging services in different areas of the country for at least two years now.

            There, fixed that for you.

            Have you ever tried to opt-out of any of these 'call everyone in the vicinity' emergency warning services? The day the local paper carried the story of how proud the local Sheriff was that they had paid to provide this "service" to the local residents, I called up the company they said was providing the service and said "I opt-out. Do not call me." The phone tree I had to navigate included options for "clients" and "activations", but nothing for victims of a "client". I finally got a real human. At first she couldn't understand what I was asking for. I wasn't a client, and they don't deal with "just people". Then I explained it in detail. They had no clue about how to implement that instruction. Not a hint. They hadn't even thought about it before.

            So far, it hasn't been activated, so I don't know if they figured out how to exclude phone numbers from their lists or not. I have made a point of telling my local emergency manager that I do not appreciate being on unsolicited calling lists, but I don't think it went further than that.

        • >>>"911" fee on your monthly statement

          I guess I'm really lucky. My cell company (virginmobile) has a monthly cost of only $0.00 per month. I only get charged for calls or texts I make (18 and 10 cents), plus 6% sales tax. That's it. No hidden fees or universal service/911 funds.

          • For some of us - 10 cents a text would destroy bank accounts. I can't remember the last time I was under 25 texts a day (which would be 75 dollars a month, just in texts). I've gone up into the 100+ texts a day when trying to plan things with friends and mass texts.

          • That's it. No hidden fees or universal service/911 funds.

            Probably not for long [post-gazette.com]. Pre-paid wireless accounts in the US have long been exempt from funding 911 service but there is legislation working its way through congress to change that.

            • Re:will you have to pay for incoming and roaming (Score:3, Interesting)

              by Obfuscant ( 592200 ) on Wednesday November 17, 2010 @05:49PM (#34261188)
              Pre-paid wireless accounts in the US have long been exempt from funding 911 service but there is legislation working its way through congress to change that.

              Not only that, but cities and counties are getting into the act, wanting to add franchise fees to cellular services to pay for E911 and public safety dispatch call centers. The ever-money-hungry city and county pols are unhappy that cell phone callers can clog the lines of the 911 PSAP without paying to fund the call answerers. They don't see the ability of a cellphone customer to make an immediate report of a traffic accident, as opposed to driving to a payphone and calling it in, to be of any public benefit worthy of subsidy. That, and more people are dropping landline phones and the associated access fees and charges and taxes in favor of cells.

              Now, as an old-timer, I know that franchise fees are supposed to be payment for the use of public rights-of-way -- in exchange for $X per sub the cable company can run their cables on city easements and whatever, for example. Cell services don't have that cost to the city so there is no reason to have a franchise fee. In fact, cell companies AREN'T franchised by the city or county so a franchise fee is just a dishonest way of calling for a tax.

              Our fair city tried to push a cellphone tax through a couple of years ago. It failed miserably because it was a tax that they put up for a vote. They just added "fees" to our water to pay for sidewalk maintenance and free bus service for all, so I don't doubt that the time the cellphone tax comes up, it will be a franchise fee instead.

    • Re:will you have to pay for incoming and roaming (Score:2, Interesting)

      by will3477 ( 705414 ) on Wednesday November 17, 2010 @03:35PM (#34258852) Homepage
      I think you bring up some really good points about fees that cell phone companies charge, but I think this is an easy case where you say the cell phone companies are not allowed to charge for these messages and that they by default go to all numbers although I could see allowing an opt-out list (i.e. we have cell phones on most of our vehicles to let them report location, speed etc to us, and the cell phones are in enclosure where the driver can't get to them, so the message notification could get annoying for the drivers). Overall I really think this is a good idea. Luckily we have pretty good tornado sirens where I live, but I've been at the pool on a beautiful day with the kids before only to have the tornado sirens go off and within 20 minutes there be a really bad storm. I've also really complained about the lack of traffic information; one day they closed S.R. 161 but they just had a police officer there directing you to not go on the on ramp without any explanation. They closed it as it was very icy and cars (including the salt trucks) were merely sliding off of it. My daughter's day care was on the corner of 161, so I wanted to know why the road was closed, for how far, expected open time etc. Another time this would have been useful was when a firetruck overturned in front of my apartment complex. It was just south of the entrance, so Columbus police were directing residents to approach if from the north while Blendon officers (who were there as a courtesy as its outside their jurisdiction although they share the department whose firetruck overturned) were threatening to arrest people who tried to approach from the North or who got out to tell them CPD was directing them there and did they have an ETA when they could go home (several of my neighbors were arrested and the situation didn't get better until wifes complained to CPD who used a parking lot to go around the accident and relieved Blendon).

    • Re:will you have to pay for incoming and roaming (Score:5, Insightful)

      by Amouth ( 879122 ) on Wednesday November 17, 2010 @03:47PM (#34259088)

      More than likely they aren't going to bother trying to send it to a number.. but rather have the towers in the effected area send out the broadcast message to all associated radios

      the ability to do this exists already - your phone would get it and accept it because text blocking is done at the exchange level not the phone (it could be done at the phone but 99.999% of the time it isn't)

      i'm sure wouldn't be billed because if they send it at a tower level and not exchange level their normal billing message counting system would not be in place and would have to be changed to support it - which i doubt would happen as this would be just yet another government mandated thing.

      while i like the idea - and i completely understand and agree with the need for something like this..

      i'm more concerned with it's use as security theater abuse (have it only send to radios in air ports? can we have some fun with that?)

      Also.. all the dumb asses on the road yapping on their phone - texting their friends - doing everything but driving..

      now just imagine.. your going down the road and EVERYONE - EVERYONE gets a message at the same time - and they all check their phones at the same time.. this could cause some serious accidents.

      • Re:will you have to pay for incoming and roaming (Score:2)

        by EdIII ( 1114411 ) on Wednesday November 17, 2010 @03:58PM (#34259290)

        now just imagine.. your going down the road and EVERYONE - EVERYONE gets a message at the same time - and they all check their phones at the same time.. this could cause some serious accidents.

        Are you kidding?

        If it was just a message everybody getting it at the same time could be dangerous in your scenario. Now imagine something like, "Farmville will start charging tomorrow". Bloody wreckage everywhere.

    • WTF! Are you serious??? (Score:2)

      by pushf popf ( 741049 ) on Wednesday November 17, 2010 @03:59PM (#34259326)

      If I get a text about a giant tornado headed my way, do you honestly think I care if they charge me 20 cents for the "head's up"?

      • What if that tornado tiggers 5 + texts do you want (Score:2)

        by Joe The Dragon ( 967727 ) on Wednesday November 17, 2010 @04:07PM (#34259454)

        What if that tornado tiggers 5 + texts do you want pay $1 or more per storm? and lots more if are roaming text roaming can be $0.50+ per text.

        • Re:What if that tornado tiggers 5 + texts do you w (Score:2)

          by Cylix ( 55374 ) * on Wednesday November 17, 2010 @04:55PM (#34260254) Homepage Journal

          Actually, in an area with multiple counties you would see an alert for each county. The alerts can vary depending on if they are a watch or warning. Typically, a storm alert with heavy rains will also insight alerts for different types of alerts (such as hail, flooding, ice, etc). Now, toss in the required weekly alerts and this could generate a fairly large number of messages.

          All in all, if you are a re-distribution point which covers multiple counties there can be upwards of 30 to 40 entries for a small storm which can keep the equipment buzzing for a while.

          I do not miss dealing with EAS systems at all...

      • Re:WTF! Are you serious??? (Score:2)

        by mcmonkey ( 96054 ) on Wednesday November 17, 2010 @04:24PM (#34259728) Homepage

        Yes, if you are in tornado alley, this might be useful.

        I am not. So my ratio of actual emergencies to annoying tests is somewhere around 1:1000.

        I don't care if it's 'only' 20 cents. I don't care if it's free. I don't care if THEY pay ME 20 cents for every message.

        This is an idea so horribly annoying, I'm surprised it hasn't been done sooner.

        Oh, and in the 12 years I've been living the Massachusetts, the 2 times there was an actual emergency broadcast that was not a test, both were complete duds. Of the type, "Snow-mageddon is upon us! Make peace with your deity of choice and prepare to meet thy doom." Followed by clear skies and no snow.

        I have deep, throbbing hatred for anyone who helps this system come to pass, and a strong dislike to anyone who thinks this is a good idea.

        The only way anything like this should be legal if it is strictly opt-in.

        Seriously. This is a bad idea.

      • Re:WTF! Are you serious??? (Score:2)

        by Obfuscant ( 592200 ) on Wednesday November 17, 2010 @05:55PM (#34261282)
        If I get a text about a giant tornado headed my way,...

        Good thing it's a text and not a voice message. It'd be really hard to hear the voice message over the very loud roar of the approaching tornado. Of course, I wouldn't hear the phone beep for the incoming text over the very loud roar of the approaching tornado, either. I guess I better keep the phone in my hand looking at the status page for incoming texts so I don't miss any text message telling me there's a really loud tornado approaching because there's too much noise from the really loud tornado to hear it.

  • You mean... (Score:5, Insightful)

    by God'sDuck ( 837829 ) on Wednesday November 17, 2010 @03:28PM (#34258706)

    Reverse 911 is fantastic. Just ask our neighboring town to the south that didn't use it when their water supply was contaminated. Yeah. My coworkers spent two days in the bathroom instead of 10 seconds reading a text.

    • Re:You mean... (Score:5, Interesting)

      by hellkyng ( 1920978 ) on Wednesday November 17, 2010 @03:42PM (#34258988)
      Got to see it successfully used when my neighborhood had to be evacuated for a forest fire. They kept us up to date on about 15 - 30 minute intervals with evacuation news. It would have been amazing to have it available from the cell phone at the time. I remember running around everywhere preparing to get out of the house, it was irritating to have to drop what you were doing to find the traditional phone. Sounds like good stuff.

    • Re:You mean... (Score:2)

      by swanzilla ( 1458281 ) on Wednesday November 17, 2010 @04:48PM (#34260098) Homepage
      That is one shitty anecdote.

    • Re:You mean... (Score:4, Funny)

      by DNS-and-BIND ( 461968 ) on Wednesday November 17, 2010 @05:48PM (#34261160) Homepage
      What the FUCK? You actually DRINK tapwater? You got what you deserved. Tapwater is only for showering and perhaps dish washing (if you're cheap). In the real world, we drink only bottled water, and possibly San Pellengrino if we're at a coffee shop. Grow up already. Those who sacrifice convenience for security deserve neither.

    • Re:You mean... (Score:3, Insightful)

      by Dynedain ( 141758 ) <slashdot2NO@SPAManthonymclin.com> on Wednesday November 17, 2010 @06:13PM (#34261596) Homepage

      Tell that to our receptionists that had to go around and erase a voicemail in all our unused phone extensions (that have direct dial numbers) when the sheriff's department sent out a missing person call. Why this one person warranted reverse 911 in a major metropolitan area, I'll never know.

      I don't have a problem with reverse-911 in general, just the particular details as to when it's implemented. In California our expensive traffic indicator freeway signs were re-appropriated for abducted child "Amber Alerts", and more often than not, don't show traffic information any more. I can see other things slowly clamoring for the same access.

      Who gets to decide the announcement and radius?

  • What is next? (Score:2)

    by 140Mandak262Jamuna ( 970587 ) on Wednesday November 17, 2010 @03:29PM (#34258716) Journal
    Alcatel-Lucent will use the GPS chip in smart phones and estimate the speed at which these phones are traveling and also the text typing patterns and pauses and correlate it with the zigs and zags of the GPS trace. Once it determines it is the case of texting-while-driving it will automatically call 9-1-1 and have an ambul^H^H^H^H^H mortuary van following the car to scrape the remains of the driver off the road.

  • Uh, would someone care to explain... (Score:5, Informative)

    by goobenet ( 756437 ) on Wednesday November 17, 2010 @03:30PM (#34258756)
    You guys do realize that EBS (Emergency Broadcast System) was replaced by EAS in 1997, and is now being replaced by CAP (Common Alerting Protocol)... Guess nobody does pay attention to them when they blast em out of the radio or TV... The reason it *CAN* soon go to mobile devices is because CAP is an IP based distribution system instead of an "over the air" distribution system.

  • I guess our days are numbered as hams... (Score:2)

    by FuckingNickName ( 1362625 ) on Wednesday November 17, 2010 @03:31PM (#34258782) Journal

    ...because unlike the mobile phone network we require a huge infrastructure, high maintenance costs and the careful coordination of government and industry.

    oh, wait...

  • Oh! Please No! (Score:2)

    by camperdave ( 969942 ) on Wednesday November 17, 2010 @03:32PM (#34258790) Journal
    The Emergency Broadcast System that interrupts TV programming in times of crisis... It will be similar to the TV alerts in that the text messages will be geographically targeted for areas where a tornado alert or major road closure, for example, is in effect."

    I hope they peg down the geography a lot better. I'm sick of getting severe weather warnings from TV stations half a continent away.

    • Re:Oh! Please No! (Score:2)

      by surgen ( 1145449 ) on Wednesday November 17, 2010 @04:29PM (#34259814)

      Thats probably caused by the TV station you watch. The EAS messages are region-encoded, by the county IIRC, and I've never seen a national weather service message with bad region info. Its probably the TV station with a misconfiguration decoder.

      Or are you just watching TV stations located far away?

  • I'm not looking forward to... (Score:5, Funny)

    by Jamori ( 725303 ) on Wednesday November 17, 2010 @03:33PM (#34258802)
    ...random texts once a week waking me up at 3am indicating that:

    "This is a test of the local emergency cell phone text system. This is only a test. If this had been an actual emergency, hopefully you haven't disabled text alerts in the middle of the night after receiving all our obnoxious tests."

  • defeated by DOT plans to jam cell signals? (Score:4, Interesting)

    by roc97007 ( 608802 ) on Wednesday November 17, 2010 @03:34PM (#34258830) Journal

    It sounds like this would be rendered largely moot by DOT plans to disable cell phones in cars [yahoo.com].

  • Bleh (Score:2, Offtopic)

    by falldeaf ( 968657 ) <falldeaf&gmail,com> on Wednesday November 17, 2010 @03:35PM (#34258846) Homepage
    I'm hoping a channel for voice and text will go away, just give me a fast data connection and I'll pick my own services to use. In which case a better system for emergencies would be to disseminate EB messages over a couple different popular channels (facebook, skype, IM) and let people choose their own way to be contacted.

  • How will it work for travelling situations? (Score:2, Interesting)

    by Jahws ( 1655357 ) on Wednesday November 17, 2010 @03:35PM (#34258858)
    I'm curious as to how they plan to implement it, especially because some people do a lot of moving across the country. Will it be able to warn people who are vacationing (or on business trips, etc) of emergency alerts where they are, as opposed to back at home? The article mentions "geographical targeting," but gives no indication of whether this will be done with real-time information as opposed to phone registration data.

  • CBSMS? (Score:3, Interesting)

    by Fizzl ( 209397 ) <fizzl.fizzl@net> on Wednesday November 17, 2010 @03:39PM (#34258938) Homepage Journal

    Umm, what? There's already cell broadcast messages already defined in the original GSM spec!
    No need to reinvent the wheel!

    These were planned to be used from emergency systems to location specific advertising. Anyone have any idea why it was never used for anything?

  • I like the idea (Score:5, Interesting)

    by TheDarkMaster ( 1292526 ) on Wednesday November 17, 2010 @03:42PM (#34258996)
    I work indirectly for the Civil Defense in my state (disaster control). And I can say that the ability to be able to warn all people in a given area that they must seek shelter or where to seek help after a disaster are priceless.

  • pool (Score:4, Interesting)

    by mevets ( 322601 ) on Wednesday November 17, 2010 @03:44PM (#34259028)

    How long before the access control to this is subverted and nationwide penis enhancement texts start arriving?

    I'll take 3 weeks after deployment.

  • Already get these (Score:4, Interesting)

    by brusk ( 135896 ) on Wednesday November 17, 2010 @03:47PM (#34259106)
    After the VA Tech shootings, a lot of college campuses implemented an emergency alert system that includes text messages to students and employees. My campus is one of them. The system is not geographically-aware but rather subscription-based, and so far all I've received are test messages (they announce the tests by email a few days in advance), sometimes synchronized with on-campus sirens. But it seems to work.

    • Re:Already get these (Score:2)

      by andymadigan ( 792996 ) <amadigan.gmail@com> on Wednesday November 17, 2010 @05:28PM (#34260750)
      RIT implemented that, it will call you, e-mail you and text you continuously. There was a false warning about someone on campus not too long ago. My phone was going crazy in the middle of the night. They claim that students can unsubscribe from it, but the truth is that only faculty can, the only choice student's get is to shut off their phone or give fake info to the school. I don't live on campus, and I haven't for years. It's basically the same form that all of their policies take.

  • Earthquake potential? (Score:3, Interesting)

    by Saishuuheiki ( 1657565 ) on Wednesday November 17, 2010 @03:54PM (#34259224)

    One of the common reasons that is given for having no earthquake alert system is that we can only predict an earth quake a matter of seconds in advance.

    The idea of sending a text message to peoples cell phones, if done with some automated system, could potentially be used for this.

    Though the question is how bogged down the cell networks would get, or if they'd have some sort of universal-packet where the cell-towers simply broadcast it to all phones, rather than targeting each phone individually.

  • Old (Score:3, Informative)

    by tsa ( 15680 ) on Wednesday November 17, 2010 @03:55PM (#34259244) Homepage

    Oh how modern. We've had that here in Europe for years.

  • This is of course information that the cell companies have for any call (it is how they triangulate where a distress call comes from), and it would make the most sense for something like that. If they instead decided it by area code (or even area code + exchange prefix), it would be really quite useless since people tend to be mobile with their cell phones and likely wouldn't be interested in a disaster that is thousands of miles away at that moment.

  • When the Threat Level changes... (Score:2, Funny)

    by jayveekay ( 735967 ) on Wednesday November 17, 2010 @03:57PM (#34259278)

    They should change the background color on your phone to the new threat level. e.g. when the level changes from yellow to orange, your phone background becomes orange, immediately letting you know to take the appropriate action such as heading to Home Depot to stockpile duct tape and plastic sheeting. For extra credit the phone could provide you with directions to the nearest hardware store.

    This scheme may conflict with *Amber* Alerts, however.

  • ETWS (Score:3, Informative)

    by demiurg ( 108464 ) on Wednesday November 17, 2010 @04:00PM (#34259338) Homepage Journal

    This system is called ETWS (Earthquake Tsunami Warning System in Release-8 networks, i.e. LTE and PWS in Release-9. It is being pushed mainly by Japanese cellular operators (NTT DoCoMo, etc) and is probably used already in Japan.

  • We have this in Hawaii (Score:2)

    by sgtron ( 35704 ) on Wednesday November 17, 2010 @04:07PM (#34259450)

    About a month or two ago (maybe longer,i lose track) a company called "Nixie" put in service (with the city and county of Honolulu) a text and/or email alert service.

    Story from local paper: http://www.hawaiinewsnow.com/global/story.asp?s=12921149 [hawaiinewsnow.com]

  • A typical "Emergency tweet" (Score:5, Funny)

    by goffster ( 1104287 ) on Wednesday November 17, 2010 @04:10PM (#34259508)

    OMG! A toradno iz comin. proced 2 teh nearest evacushun sheltr

  • Older than dirt! (Score:2)

    by Tiger4 ( 840741 ) on Wednesday November 17, 2010 @04:13PM (#34259554)

    I heard about this idea back in *1989* from a guy that was trying to get tornado warnings onto cell phones. The cell sites in the effected area are usually pretty well known, and if those sites are linked to phones, the phones gets a message. Easy, obvious, incredibly useful, SAVES LIVES!

    And here we are still talking about implementing it 20+ years later!

  • I'm working on this.. (Score:5, Informative)

    by mtxmorph ( 669251 ) on Wednesday November 17, 2010 @04:22PM (#34259688)
    I'm actually working on the handset side of this, so I can answer some of the questions people have about it.

    It's really not that complicated of a system. It uses Cell Broadcast Services (CBS) which are part of the existing 3GPP and 3GPP2 standards. Some of you may have seen CBS applications in your phones, but they're typically not used in the U.S. CBS is, as its name implies, a broadcast service.. so obviously it's one-way only. If your phone isn't "subscribed" to the particular message identifier (a kind of topic or category), or your phone isn't on when the message is broadcast, you'll miss it. The system has different classifications for messages, from nationwide alerts, to local alerts (like hurricanes), to AMBER alerts. There can't really be any way for operators to charge for broadcast messages, any more than they can charge for other broadcast resources like paging channels, so I think the only way your bill would be affected would be if they do some blanket 10 cent "government" fee for everyone... By the way, the reason they are using CBS is because it does not place a strain on the network, like sending millions of SMS messages at once would (that's important in a disaster situation when people might be overloading the network).

    The special handling on the handset side is to take some specific actions when an emergency message is received.. it has to play a special tone and vibration, among other things. You can opt-out of pretty much all messages, so don't get too worried about being woken up in the middle of the night for AMBER alerts (well, unless you want to receive them). The system supports a monthly test message, but you wouldn't be opted-in to those by default.

    The nature of the cell network allows operators to broadcast the messages to specific cells, so you are not going to get alerts for things happening elsewhere in the country. But the design also allows for national (presidential-level) distribution, so yes, in those cases, everybody would get the alert. The network-side of things is more interesting than the handset side, because of how different levels of the government need to be able to send alerts, and this is mostly what the article talks about (although it's short on details).

    If you have other questions, reply and I can try to answer them.

  • Comment removed (Score:2)

    by account_deleted ( 4530225 ) on Wednesday November 17, 2010 @04:26PM (#34259776)
    Comment removed based on user account deletion

  • Who decides what information I care about? (Score:2)

    by DunbarTheInept ( 764 ) on Wednesday November 17, 2010 @05:11PM (#34260484) Homepage

    Do I get to register preferences about what messages I will want to receive, or will some wanker with authority decide that for me? The last thing I want is for the person who decides which messages are important being of the same mindset as the nimrod who thought passengers at an airport need to be reminded every 5 minutes exactly what the list of banned items on airplanes are - again and again and again and again while you wait for your flight. (What's really dumb about that recorded TSA message is that it interrupts other PA messages that are NOT repetitive and thus should have higher priority. What's more important - the message that is identical to the one you heard 5 minutes ago and will hear again 5 minutes from now, or the message that's unique and you'll only hear once? You should never stifle the one-off message with the repeated one, and yet that's what airports do. (I just returned from a trip where I heard my name on the PA trying to tell me something and it got interrupted like this and I never found out what it was about until it was too late. It turns out I had gotten a standby slot on a flight, but missed the chance because the PA system was designed by morons who think recorded repeated messages take precedence.))

    Anyway, I don't want the same sort of moron deciding what messages come to my phone (or worse yet, which ones are allowed to interrupt a phone call) without my say-so.

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