Patent ID: 7623498
Filing Date: 2009-11-24
Classification: H04L,H04M

Abstract:
1. A method of providing charge information to a subscriber terminal communicating through a Home Public Land Mobile Network (HPLMN) associated with said subscriber terminal or a Visited Public Land Mobile Network (VPLMN), which information relates to an IP connection to said subscriber terminal, the method comprising the steps of: identifying the subscriber terminal to a charge control node (CCN) located in said HPLMN associated with said subscriber terminal; for the duration of the IP connection, using said IP connection to transport a stream of charge information messages directly from the CCN to the subscriber terminal, said charge control messages bypassing all circuit-switched control nodes of said HPLMN and said VPLMN to deliver said charge information to said subscriber terminal; and, periodically sending continuation messages from the subscriber terminal to the CCN over the IP connection in order to maintain said stream of charge information messages.