WIRELESS TELECOMMUNICATION SYSTEM WITH PREPAID ARCHITECTURE

摘要

There is disclosed a prepaid system (10) and method for permitting a prepaid subscriber of the cellular wireless telecommunication system to revise call features during a call within the operators node and from roaming locations to debit the subscribers prepaid account on a real-time basis. The system includes a switching node (14) permitting (50) a call to be set up with the prepaid subscriber (16) when a prepaid service credit balance exists and terminating the call when the prepaid service credit balance is nil. The switching node continually generates (52, 54) real-time call event Data Message Handier (DMH) formatted messages related to the call made by the prepaid subscriber and forwards these call event messages to a prepaid administrative network (38). The prepaid administrative network stores (56) the prepaid service credit balance of the prepaid subscriber and generates a t call set up an initial charge debiting rate (60) used during the call to reduce the prepaid service credit balance. The prepaid administrative networ k, in response to the real-time call event messages received from the detailed call event generation means, revises the initial charge debiting rate to generate a real-time debiting rate used during the call to reduce the prepai d service credit balance.