手機警報大響別驚慌　五大電信明下午測試災防訊息
https://tw.nextapple.com/life/20230110/3BF356F076387C66921834A16648E149

手機警報大響別驚慌　五大電信明下午測試災防訊息｜壹蘋新聞網

5大電信公告，將於11日下午4時進行全台災防告警訊息測試，會藉由預設關閉的「每月測試用訊息」頻道發送，部分用戶手機會發出特殊告警聲響與震動，不需要驚慌。

https://tw.nextapple.com/life/20230110/3BF356F076387C66921834A16648E149

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