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

https://direct-wiki.win/index.php/Why_do_group_chats_make_it_hard_to_tell_what%E2%80%99s_urgent%3F

Start with your employer’s phone policy and use only approved systems for patient work. Hide message previews on your lock screen. Set on-call alerts so urgent calls get through without every app interrupting you