METHOD FOR AN IMPROVED EXCHANGE AND/OR INTERWORKING FUNCTIONALITY BETWEEN A FIRST MOBILE COMMUNICATION NETWORK AND A SECOND MOBILE COMMUNICATION NETWORK, SYSTEM, NETWORK EXCHANGE FUNCTION, PROGRAM AND COMPUTER PROGRAM PRODUCT

摘要

The invention relates to a method for an improved exchange and/or interworking functionality between a first mobile communication network and a second mobile communication network, wherein the first mobile communication network comprise a first network repository function and a plurality of first network functions or services, and wherein the second mobile communication network comprise a second network repository function and a plurality of second network functions or services, wherein a network exchange function provides an exchange and/or interworking functionality between the first and second mobile communication network, wherein the network exchange function comprises an exchange network repository function and a plurality of exchange network functions or services, wherein control plane messages or messages regarding procedures are exchanged, via the network exchange function, between the first and second mobile communication network, such messages involving pieces of endpoint information referring to target interconnection endpoints within the first or second mobile communication network, wherein the method comprises the following step:the control plane messages or messages regarding procedures are modified with respect to their pieces of endpoint information such that instead of the pieces of endpoint information referring to target interconnection endpoints within the first or second mobile communication network, the pieces of endpoint information refer to the network exchange function or its exchange network functions or services.