| 摘要 |
<p>The present invention relates to apparatus for and methods of enabling a gateway node of a first packet-switched data network to select a first channel for transferring a data packet to a destination packet data protocol address of a correspondent node provided service in the first network, the gateway node being arranged to select the first channel from a plurality of channels each being for transferring data packets to the destination packet data protocol address of the correspondent node, the data packet having been sent from a mobile node of a second packet-switched data network external to the first network, the mobile node having been in a communication session with the correspondent node while provided service in a third packet-switched data network different to the second network.</p> |
