Yep. But they also know what constitutes "urgent". Ie close family unwell, broken down car, other accident etc. and this one is directed to my folks, which is that not bein able to use their new PC is not an emergency!!!
I use the "do not disturb" function and it's set between 22.30 and 08.00 so I don't get woken up by emails/texts throughout the night, I need my phone nearby as I use it as my alarm clock.
The do not disturb function is good as it will only ring if someone calls again within a minute so if...