WM6 - Who called function

http://groups.google.com/group/microsoft.public.pocketpc.developer/browse_thread/thread/d6667bb255380aa4?hl=en

C:\WM602\PUBLIC\APPS\OAK\SAMPLES\MENUEXT
this example show you how to extend call log menu.
C:\WM602\PUBLIC\APPS\OAK\SAMPLES\CALLLOG\CALLCOST
this example show you how to add a customize control on the dail interface.
it's sample approach that add a custmoize control on the incoming
interface.