I had wondered about the delays yesterday. One of my user's phones went off almost two hours after the window. Butch Wilson Dir. of Instructional Technology Mt. Vernon Township High School Google Education Trainer (GET) MCSE/MCSA/Security+ https://about.me/butch_wilson On Wed, Oct 4, 2023 at 6:10 PM Chapman, Brad (NBCUniversal) via Outages < outages@outages.org> wrote:
Are these alerts queued up for later delivery if a device is off-line, out of range, or connected to a Wi-Fi calling network (where these types of cellular signals are not relayed?)
If so, how long are they stored before being purged from the system? 1 hour? 24 hours?
-Brad
—Sent from my iPhone
On Oct 4, 2023, at 2:14 PM, Jay R. Ashworth via Outages < outages@outages.org> wrote:
----- Original Message -----
From: "Jay R. Ashworth via Outages" <outages@outages.org>
I could be unsurprised to find that the carrier VoWIFI proxies missed out on proxying SMS Cell Broadcast, which I gather provides the underlying PHY for CMAS.
I have now an authoritative report that no, the carrier WIFI proxies -- carrying your voice calls to your carrier over someone else's wifi and the Internet, to be clear -- does *not* proxy the cellular control channel necessary to make CMAS/WEA work, and those alerts can be expected NOT to arrive if your phone is on WIFI only or out of all range of ANY carrier's towers.
The only reports I'm still looking for are ones from people who are sure their phone was set to WIFI-only, and was out of range of cell coverage, and still got the national test alert, today at 1418EDT.
Thanks, -- jra -- Jay R. Ashworth Baylink jra@baylink.com Designer The Things I Think RFC 2100 Ashworth & Associates https://urldefense.com/v3/__http://www.bcp38.info__;!!PIZeeW5wscynRQ!vPBHEAK... 2000 Land Rover DII St Petersburg FL USA BCP38: Ask For It By Name! +1 727 647 1274 _______________________________________________ Outages mailing list Outages@outages.org
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