what is PhoneIncomingCallerName

hi

There is a PhoneIncomingCallerName property of SystemProperty.

the msdn tell that the PhoneIncomingCallerName is the call's ame.

But there are more than one name property of the contact class.

Such as AccountName , FileAs , FirstName ,LastName ,MiddleName ,

Nickname

Please tell me which the name of the contact class equal to PhoneIncomingCallerName

Thank you