cooly@Cooly:~$ wine "C:\Ficheiros de programas\12voip.com\12voip\12voip.exe"
err:module:import_dll Library pdh.dll (which is needed by L"C:\\Ficheiros de programas\\12voip.com\\12voip\\12voip.exe") not found
err:module:LdrInitializeThunk Main exe initialization for L"C:\\Ficheiros de programas\\12voip.com\\12voip\\12voip.exe" failed, status c0000135
cooly@Cooly:~$

Vejam só o erro que o wine dá

Então cooly isso diz aí o que te falta! Mais vê lá!

err:module:import_dll Library pdh.dll (which is needed by L"C:\\Ficheiros de programas\\12voip.com\\12voip\\12voip.exe") not found