Patent ID: 6453030
Filing Date: 2002-09-17
Classification: H04M

Abstract:
A method of processing roaming billing record information from a roaming network, comprising:a phone card telephone initiating a call which is routed to an ingress gateway; authenticating, setting up, connecting and completing the call; the ingress gateway sending billing information to a Command Center in the roaming network; the Command Center reviewing the billing information, storing a corresponding billing record in a local database, and comparing a database identification (ID) of the subscriber to the database ID of the Command Center in the local database and, if the two ID's are different then forwarding a copy, within an acknowledgement (ACK) message, to a Command Center in the home network of the phone card telephone subscriber; the Command Center in the home network marking the billing record as a â€œroaming copyâ€  billing record, saving the billing record to a local database, and sending an acknowledgement (ACK) message to the roaming network Command Center.