A cellphone without a sim card is still connected to the cell network, it is still able to call 911.
On Wed, Sep 21, 2022 at 10:54 PM CBB - Jay Fuller <par...@cyberbroadband.net> wrote: > > Not sure that is all there is to it. I have an old phone that I keep this > laying around generally on Wi-Fi to listen to podcasts and a few other > things. Only wifi. No sim in it. It still gets those alerts. > > ----- Reply message ----- > From: "Adam Moffett" <dmmoff...@gmail.com> > To: "AnimalFarm Microwave Users Group" <af@af.afmug.com> > Subject: [AFMUG] amber alert > Date: Wed, Sep 21, 2022 10:24 AM > > Everything sent to cell phone with a pair of keys. One key is in your SIM > card, and the other is in the EPC at the cell company’s head end. I > *assume* the amber alert is still encrypted like everything else. Could > be wrong, but you might have to crack that to send anything to your phone > that it would listen to. > > Get Outlook for iOS <https://aka.ms/o0ukef> > ------------------------------ > *From:* AF <af-boun...@af.afmug.com> on behalf of Chuck McCown via AF < > af@af.afmug.com> > *Sent:* Wednesday, September 21, 2022 11:16:18 AM > *To:* af@af.afmug.com <af@af.afmug.com> > *Cc:* Chuck McCown <ch...@go-mtc.com> > *Subject:* [AFMUG] amber alert > > I wonder what kind of special signal they send to your phone to trigger an > amber alert? I would love to be able to trigger my phone on certain alarms > like that. > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- Zach Underwood (RHCE,RHCSA,RHCT,UACA) My website <http://zachunderwood.me> advance-networking.com
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