If your appointment book printout is missing patient mobile numbers you can add it by selecting a different layout in the printing configuration.
You will only be able to do this with a user that has access to edit/add layouts
Go to Configure->Printing Setup
Click Reports Tab, Double click Appointment Book
Change Layout to A4_Mobile.220 and click ok.
Mobile is always shown when using this layout. Ticking “Show phone numbers” will add the Home number.