SUPPORT OF IP ADDRESS PRESERVATION UPON MOBILITY TO A NON- 3GPP ACCESS IN AN EVOLVED PACKET SYSTEM

摘要

An embodiment is a method for support of IP address preservation for a User Equipment UE upon mobility to a non-3GPP access in an Evolved Packet System EPS, said method comprising: - signalling, towards a Home Subscriber Server HSS, Packet Data Network PDN Gateway information for at least one PDN Gateway assigned at establishment, via a Serving GPRS Support Node SGSN supporting Gn interface referred to as Gn SGSN, of at least one PDN connection for said UE.