Patent ID: 6374107
Filing Date: 2002-04-16
Classification: B61L,H04Q,H04W

Abstract:
A service switching means for a mobile integrated intelligent network, comprising:a) interrogation means for receiving at least a routable number from a railway operator service control means in accordance with a functional number supplied thereto and for specifying a subscriber to the mobile integrated intelligent network on a functional level, and b) an address storage means for storing an address of said railway operator service control means such that the interrogation is redirected to a local railway operator service control means in the event of international roaming, wherein the address of said local railway operator service control means is stored in subscriber data records, respectively, and wherein the address of said local railway operator service control means is stored in a data entry previously pointing to a service control means in a home public land mobile network of the subscriber using an overwrite mechanism, respectively.