| 摘要 |
Providing a dial-up connection in a packet radio system comprising at least one mobile termination part, a terminal equipment part functionally connected thereto, and a packet radio network. A first packet data protocol context is activated between the packet radio network and the mobile termination part for reception and transmission of packet-switched data. A second packet data protocol context is activated between the packet radio network and the mobile termination part for a dial-up connection. The first context is deactivated in response to the second context being activated. The second context is deactivated in response to the dial-up connection being released. A third packet data protocol context, substantially conforming to the first context, is activated in response to the second context being deactivated.
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