An Organization or User can have one or more telephone numbers.
In the Details area for the Organization or User, click the Telephone Numbers tab.
The Telephone Numbers table, which can be empty, appears.
A Details Panel window opens.
Select a value from the Type combo box.
The following values are available:
Type values in the fields. All fields are optional.
Click Add to save the new object and close the Details Panel window.
Click Apply in the Details area for the object.