Try just installing liberty toolbox from the market and install Wycontacts?
If you can't do that, pull the dialer.apk out of the liberty rom & use root explorer to mount & replace the sys file & change the permissions & reboot...
from my DX
If you can't do that, pull the dialer.apk out of the liberty rom & use root explorer to mount & replace the sys file & change the permissions & reboot...
from my DX
its not that easy as the stock dx dialer is blur and not aosp. needs framework