Start with your employer’s phone policy and use only approved systems for...

https://wiki-mixer.win/index.php/How_Do_I_Test_My_Notification_Settings_Before_an_On-Call_Shift%3F

Start with your employer’s phone policy and use only approved systems for patient information. Hide lock-screen previews, set on-call alerts that match your rota, and check the account and recipient before sharing anything.