To standardize telephone numbers in a master index application, you need to manually define the standardization structure and you need to add the fields that will store the standardized field components to the object structure. In the default implementation, you can store any combination of the following telephone number field components in the master index database.
Country Code
Area Code
Phone Number
Extension
The standardization engine has the capability to produce all of the above field components, but you only need to store the ones you need in the master index database.