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0 pointsmorpheuskafka6y ago0 comments

I thought the Wireless Emergency Alerts protocol was completely separate from SMS though, since it is based solely on geographic location of the cell tower and not your phone number.

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jsjohnst6y ago

> I thought the Wireless Emergency Alerts protocol was completely separate from SMS though

They are entirely separate from SMS, you are correct. WEA messages are sent inside System Information Blocks (SIB12 specifically). Other SIB blocks are how your phone learns of authorization to use the tower, what frequency channels to use, neighbors of the tower, and other control related info.

airstrike6y ago

Thanks!

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0 pointsmorpheuskafka6y ago0 comments

I thought the Wireless Emergency Alerts protocol was completely separate from SMS though, since it is based solely on geographic location of the cell tower and not your phone number.

0 comments

jsjohnst6y ago

> I thought the Wireless Emergency Alerts protocol was completely separate from SMS though

airstrike6y ago

Thanks!

j / k navigate · click thread line to collapse