The present invention is directed to the auditory differentiation among forwarded phone calls within a phone network, and in particular an advanced intelligent phone network. Unique distinctive forwarded ring alerts and distinctive forwarded call waiting alerts are assigned to selected subscriber phone numbers in the phone network. Upon the forwarding of one or more of these subscriber phone numbers to a target phone number within the telephone network, auditory differentiation between the forwarded phone numbers and the target phone number can be achieved by a customer.