Patent ID: 7299272

Claim:
A method of activating a packet data protocol context for a roaming terminal in a telecommunication system comprising a home network, a gateway support node connected to an external packet network, said node being used in the home network, at least one roaming terminal and a visited network, in which system there is no signalling interface between the home network and the visited network to support mobility management, the method comprising: storing at least a network identifier of an access point served by said gateway support node in the visited network for the at least one roaming terminal, defining an address of said gateway support node in the visited network based on said network identifier and a subscriber identifier transmitted by the at least one roaming terminal, in response to the at least one roaming terminal requesting packet data protocol context activation, transmitting a request for packet data protocol context activation from the visited network to said gateway support node based on said gateway support node address, and finishing the activation of the packet data protocol context between the at least one roaming terminal and said gateway support node.