| 摘要 |
Telecommunication connections that are to be set up are provided with a signaling information (SI) that has an originating information (UI) for identifying the originating node, a destination information (ZI) for identifying the destination node and a network authorization information (NB) for an identification of restricted node connections specifically associated to the transmitting subscriber. Stored in the node itself is a correction information (KI) that can have at least one of inhibit and enable indicators for the node connections dependent on the originating and destination information (UI, ZI) of a telecommunication connection to be set up. A node authorization information is formed in the node controller from the network authorization information (NB) and from the correction information (KI), a node connection to be traversed thereupon by the telecommunication connection that is to be set up being calculated on the basis of this node authorization information. Network loops and inadmissible network interworkings can thus be prevented.
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