[d3cypher]

Well first off what dialer are you using

The registery locations are:
[hkey_current_user/Software/Microsoft/today/Keys/112] (left Button)
"Default" = "Calender" (Name the button will show)
"Open" = "Calender.exe" (File the button will open)

[hkey_current_user/Software/Microsoft/today/Keys/113] (Right Button)
(You will have to add this one)
"Default" = "Contacts" (Name the button will show)
"Open" = "Pocketcm.exe" (File the button will open)

Probably not the ones your talking about.