Business Skype?
There's this shit called Lync that most corporations are on.
But they're using an old version called Skype for Business because people don't know how to update.
You're asking people who still use Internet Explorer 10 or Windows XP to work from home remotely.
This is not going to work. I get screenshots send from people with 1024x768 monitors.

I usually ask them if their PC was made before or after Bush invaded Iraq.
It also doesn't help that the product names don't change anymore or they don't understand the difference in various brands.
"I have an iPad"
"No sir, you don't and the kid that made that monstrosity probably jumped from the Foxconn building a decade ago"