Full Screen Dialer is a full screen dialer for PPC’s.

Features:

FSD is a more finger friendly dial pad than the WM default one.
FSD is skinable.
FSD does not have any speed dial/redial or anything more complicated than basic number entry.
FSD is a full screen dialer!
FSD will run on WM5/6 or WM2003 devices with .NET CF 2.0.
FSD uses the default dial pad once the call has been started.
Call/End hardware buttons do not work within FSD!
Pressing the call button with no number loads iContact
Pressing the end button with no number quits the app.
Skinning from anywhere!

http://forum.xda-developers.com/showthread.php?t=394678