Ah yes, one of the downsides to the "free" Company phone! First downside is that Management assumes that you are On Call 7/24/365. Second downside is that Management assumes that EVERYTHING that you do on "their" phone is "their" business. I carried 2 phones for many years because our Telcom Manager was like a jealous, gossipy old woman and would troll employees phone logs and track phone locations so he could talk about his less favorite employees (a long list) when they weren't around.
I believe that you could probably use an obsolete, free or really cheap, old phone with a camera and wifi to email your pictures. You shouldn't need cell service for that functionality.