TELEPHONE CALL DIALLING

专利名称：TELEPHONE CALL DIALLING发明人：DE BEER, LEON申请号：GB0204077申请日：20020906公开号：WO03024079A3公开日：20031030

摘要：A communications device such as a mobile telephone (1) responds to the inputof a dialled number for a call destination (2) by generating and outputting a requestmessage transmitted to a control centre (7) via a telecommunications system (3). Thedevice receives a response message from the control centre containing routing data andcredit data representing remaining credit within an account limit of the subscriber. Anoutgoing communications session is then initiated using the routing data which may forexample enable a dialled telephone number to be modified to achieve optimum routingto the call destination via one or more preferred networks. The device also includes acredit control application (83) for limiting the duration of the communication inaccordance with the credit data. Mobile telephones may thereby be used with aprepayment subscription account even during roaming operation in which the mobiletelephone registers with a network other than the subscriber's home network.

申请人：PATHFINDER TECHNICAL RESOURCES LIMITED,DE BEER, LEON

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