| 摘要 |
The present invention relates to a method and device for data service transmission. The method comprises that: when arriving at a roaming location, the terminal receives a first message sent by a network operator in the roaming location, and the first message carries identification information of a virtual Subscriber Identity Module (SIM) card of the network operator in the roaming location; after passing the network authentication of the network operator in the roaming location, the terminal downloads virtual SIM card information according to the identification information of the virtual SIM card in the first message; and the terminal performs service transmission through the virtual SIM card by using a service provided by the network operator in the roaming location. With the present invention, the problem of using a data service by a user of a roaming terminal is solved, and usage expense of a roaming data service is reduced. |
