For people from the address book who are regularly called, or if the user is unable to remember or compile the enter number, you can add an action to a cell for calling the contact from the address book.
Edit the cell (F5).
Click Add item Ctrl+click=Copy item in the Actions options group.
Choose Phone from the Actions drop-down list.
Choose Call from the first drop-down list.
Choose Call number from the second drop-down list.
Choose Telephone number from the third drop-down list.
Enter the enter number of the contact in the edit box below the drop-down list.