How to disable that stupid ascending ringtone in Samsung focus?

You have to perform following steps.
You have to click on Start button and click on Run, here you have to enter ‘regedit’.
Now search for the following keys.
Code:
HKEY_LOCAL_MACHINE\Audio\Effects\AudioClassFader\2 \
You have to double click on Dword Attack change it to 3000 to 0.
Note: you should backup registry key before you do anything to avoid system instability if you do mistake.