"Open" GSM/ UMTS Phone?

[Your_account]

Are there any "Open" Phone Projekts who show everything what run over GSM/ UMTS?

 

[br0adband]

If you mean an actual cell phone that allows the user to monitor or even to see what's going on in terms of cellular frequency assignments as they happen in real-time, I'd say "Nope, ain't happening."

 

[mehdi_asgari]

Are there any "Open" Phone Projekts who show everything what run over GSM/ UMTS?

Look at OpenBTS and OsmocomBB projects.
Not exactly what you're looking for, but may help you get started.