An apparatus and method for credit based management of...

H - Electricity – 04 – M

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Details

H04M 1/66 (2006.01) H04M 15/00 (2006.01) H04M 17/00 (2006.01) H04Q 7/22 (2006.01) H04Q 7/34 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2174625

The present invention provides an apparatus for credit based management of a telecommunication system. One embodiment of the apparatus includes an interface (133) for communicating credit information on a particular subscriber and for receiving call records (113) for the particular subscriber that are derived from a switch (111) which establishes connections between telecommunication devices. A credit limit device (131) then utilizes the credit information to establish a credit limit for the subscriber. Another embodiment of the invention provides an apparatus for using a pre-call validation request that is associated with a subscriber of a telecommunication system who is attempting to place calls in an area serviced by another system (i.e., roaming) to detect potentially fraudulent activity and, in particular, cloning fraud. In one embodiment, a detection device is provided that uses a time derived from the pre-call validation request to identify telecommunication activity that occurs in an improbable time sequence and is therefore indicative of potentially fraudulent telecommunication activity.

L'invention porte sur un appareil de gestion d'un système de télécommunications basée sur le crédit. L'une de ses variantes comporte une interface (133) fournissant des informations de crédit sur un abonné particulier et recevant des relevés (113) de communications relatifs à ce même abonné qui proviennent d'une centrale de commutation (111) chargée de l'établissement des liaisons entre les différents dispositifs de télécommunications. Un dispositif de limitation de crédit (131) utilise alors lesdites informations de crédit pour déterminer la limite de crédit de l'abonné. Une autre variante comporte un appareil utilisant une demande de validation de préappel associée à l'abonné d'un système de télécommunications qui tente d'établir une communication dans une zone desservie par un système différent (par exemple itinérant) pour détecter une activité potentiellement frauduleuse et notamment une fraude par clonage. Une troisième variante, comporte un dispositif de détection qui utilise une indication temporelle relative à une demande de validation de préappel pour identifier une communication survenant dans une séquence de temps improbable et indiquant la possibilité d'une communication frauduleuse.

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