This is a good one for checking the common issue where a customer has turned on Do-Not-Disturb without realising it or just seeing what’s on the screen in general.
I have also used it to demonstrate the phone in training sessions.
You can view the bitmap currently shown on the phone’s screen in a web browser by going to:
This works on all Snom phones (including the 800 series!) with version 7 firmware and up. It’s a static image but you can keep hitting refresh in your browser to update the image.