Enabling active pdp contexts in additional plmns according to home operator information and/or subnetwork information

摘要

A packet data network system according to the present invention comprises a plurality of gating means (GGSN) via which data can be routed to a destination address at an external network (PDN), serving means (SGSN) and an end station (MS) for requesting, from the serving means, the establishment of a connection to a certain access point (APN). The serving means are arranged to select gating means supporting this access point from the plurality of gating means and to establish a connection between the end station and an external network through the selected gating means, wherein the connection request is accepted and the connection is established on the basis of at least one acceptance list.