Patent ID: 8374158

Claim:
A method for interfacing a second communication network including an access node with a first communication network containing a contact node, wherein the second communication network is an access network and the first communication network is a core network, which comprises the steps of: using the access node to one of read out and receive an identity specific to the second communication network, stored in a storage medium of a memory node of the second communication network; sending an interfacing message containing the identity specific to the second communication network from the access node to the contact node being specified by an address stored in the storage medium; providing a packet data service to the access node via the contact node, effecting the interfacing of the second communication network with the first communication network; performing a mutual authentication of the second communication network and the first communication network; carrying out an authorization, via the first communication network, of the second communication network; storing authentication data used for authentication of the second communication network in the storage medium; and using the access node as a memory node, wherein the memory node provides the storage medium.