Sniffing GSM/UMTS/3G via mobile?

[h0tznpl0tz]

Hello peoples,

I use my mobile UMTS phone as a modem and I connect to the internet (UMTS Flatrate)..
Notebook <--> UMTS_Phone <--> Internet

So I would access the GSM/UMTS interface of my mobile phone?
I want to know what data is being transmitted to the provider station? Is that without expensive hardware possible?

Last days, I have read something about an 1500 $ interface, etc.?

Thank you for your hints..
htzn

[Archangel-Amael]

We are not your telecom provider so go ask them.
We are www.backtrack-linux.org it's not hard to figure it out.