Patent ID: 8396763

Claim:
A node for a telecommunications system, the node comprising functions for Policy and Charging Enforcement Functions in the system, so called PCEF, the node being equipped with interfaces towards functions in the network for: BBERF, a Bearer Binding and Event Reporting Function, PCRF, a Policy and Charging Rules Function, OCS, an Online Charging System, the node comprising: at least one microprocessor; and a non-transitory computer-readable medium including computer-readable instructions, when executed by the at least one microprocessor, are configured for: sending a credit authorization request and event information to the OCS, and for receiving, in reply, a credit authorization trigger from the OCS, forwarding such credit authorization triggers to the PCRF, receiving from the PCRF an acknowledgment of installation of the triggers in the BBERF together with information regarding the events for which credit is sought, receiving the result of a comparison between the event information that was sent to the OCS and the event information that was received from the BBERF, and in response to determining that the event information that was sent to the OCS and the event information that was received from the BBERF are not similar, determining that the credit authorization is not completed.