Patent ID: 7940697

Claim:
A method comprising: receiving, in a network element of a packet data core network, a network resource request from a user equipment, said request including an indication on the user equipment's internet protocol version capability or a request for a particular packet data protocol type; creating, in said network element, a set of parameters for guiding the user equipment in IP address allocation at least in one packet data network, said set of parameters including at least a recommended version of internet protocol address type to be used and information on a plurality of internet protocol versions transition technologies of the given type in a form of a first priority list recommending the user equipment to use the transition technology with the highest priority to be used by the user equipment when accessing through said packet data network; and signalling said set of parameters to the user equipment as a response to the network resource request to be used by the user equipment in requesting the recommended version of internet protocol address type, wherein the user equipment selects a transition technology to be used from the first priority list and a second priority list of supported internet protocol versions transition technologies internal to the user equipment.