我猜就字面意思就是如果關閉的話, "測試警報"一概不收,
也就是說, "正式警報" 是關不掉的, 真的有事大家才會第一時間收到啊...
所以猜這次是遠傳發的測試用的 "正式警報", 所以不管有沒有關, 遠傳電信送的都會大聲警示.
不知道有沒有找錯, 不過看來所謂 "總統級" 警示是關不掉的
http://www.fcc.gov/guides/wireless-emergency-alerts-wea
Can consumers block WEAs?
Partially. Participating wireless carriers may offer subscribers with WEA-capable handsets the ability to block alerts involving imminent threats to safety of life and/or AMBER Alerts; however, consumers cannot block emergency alerts issued by the President.
Why can’t consumers block WEAs issued by the President?
In passing the WARN Act, Congress allowed participating carriers to offer subscribers the capability to block all WEAs except those issued by the President.
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