You can use voice menus to create a DialByName menu.
Then go to 'Menus', click on 'Add New Menu'; for 'Menu Type', select 'Voice menu'; In the 'Routing' section, select an option/number for DialByName directory and, select 'Go to menu' and choose 'Dial By Name Menu'.
Make sure to 'Save Changes'.
You can use this menu anywhere you are routing calls.
Learn more about different options you have for routing calls in 'Voice Menus'.