Favorites allow a user to select specific contacts from the directory. Thus, there is no need to search through the entire directory for a frequently used extension.
1. Select the Contacts tab on the phone.
2. Click All Contacts in the contacts pane.
3. Click on the contact you want to add as a favorite.
4. Click the star next to the phone number.
5. The favorites tab in the contacts pane will now have the favorited number. To dial a favorite, simple click on that favorite.