The AusAlert national emergency warning test message and sound will be sent to mobile phones and some smart watches and tablets across Australia at 2pm AEST on Monday 27 July.

Photograph: Mick Tsikas/AAP The AusAlert national emergency warning test message and sound will be sent to mobile phones and some smart watches and tablets across Australia at 2pm AEST on Monday 27 July.

Here’s what to know National emergency test alert will be sent to all compatible mobile devices on 27 July, with domestic violence advocates advising how to turn off safe phones Follow our Australia news live blog for latest updates Get our breaking news email, free app or daily news podcast Virtually every phone in the country will blare an emergency siren at 2pm AEST on Monday 27 July as part of the first Australia-wide test of a new national warning system called AusAlert.

Most phones, and some smartwatches and tablets, will receive a pop-up notification and an alert sound that cannot be silenced – even if your device is on “do not disturb” or silent mode.