Mobile/fixed line prepaid telephone communications directing having user payment credit reference threshold established and transmission authorised with communication cost established resetting payment credit.

摘要

The prepaid telephone call message handling system has a user communicating with a network via a switching unit. The start of communications establishes the remaining money credit, with respect to a preset level, and if positive establish the start of communications. The message is transmitted and a cost of communication established producing a cost of communication and resetting the remaining payment credit. When the remaining payments are below a pre set level further telephone calls are blocked.