Patent ID: 8891443
Filing Date: 2014-11-18
Classification: H04L,H04W

Abstract:
1. A method, comprising: receiving, by a Home Subscriber Server (HSS), a request message from a mobility management entity (MME), wherein the request message comprises a public land mobile network (PLMN) identifier (ID) of a roaming network where a user equipment (UE) is currently located; determining, by the HSS, whether the roaming network is allowed to allocate an Internet Protocol (IP) address to a default IP bearer of the UE according to the PLMN ID and a roaming strategy corresponding to the PLMN ID and an identifier of the UE, wherein the roaming strategy indicates whether the roaming network is allowed to allocate the IP address to the default IP bearer of the UE; and sending, by the HSS, a response message to the MME, wherein the response message comprises an information element that indicates whether the roaming network is allowed to allocate an IP address to a default IP bearer of the UE.