Yeah. I was encouraged to take the lump-sum money my company paid (like most happily did - not taxed; amount equalling latest base iPhone cost) and get MDM installed on the personal phone so that we could access email and everything on that. Laptop was company issued anyway. I, and very few, chose company phone and I got a new SIM just for the company and set it up (they had to pay the SIM bill as well).

A nice side effect of that was I could clearly control when the phone won't even be on me and I had set that expectation - like treks, or short personal vacations, sleeping hours (yes!). I had championed the "follow the sun" policy in my company when it came to on-call rotation, but somehow some of my fellow country men/women colleagues took pride in "being available". Anyway, their time, their choice.

Later some of my colleagues were surprised when they couldn't install certain apps, couldn't do certain things and often used to wonder "does the company take screenshots of my phone?" because the permission was present :D