A METHOD FOR IMPLEMENTING A PARALLEL NETWORK ATTACHMENT FUNCTIONALITY FOR A USER DEVICE IN A MOBILE TELECOMMUNICATIONS SYSTEM

摘要

Method for implementing a parallel network attachment functionality to at least two mobile access networks; the home subscriber entity (HSS) transfers data to the attachment decision entity (ISADF), the data concerning the authorisation and the control of the parallel network attachment of the user device (UE); and in case that a parallel network attachment is allowed for the user device (UE) according to the data transferred in step d), the attachment decision entity (ISADF) sends a message confirming the registration.