Method for Data Service Transmission and Terminal

1 . A method for data service transmission implemented in a terminal, the method comprising:

receiving a first message sent by a network operator in a roaming region when arriving in the roaming region, wherein the first message comprises identification information of a virtual subscriber identity module (SIM) card of the network operator;

succeeding in network authentication of the network operator;

downloading virtual SIM card information according to the identification information after succeeding in network authentication of the network operator; and

using, by utilizing the virtual SIM card, a service provided by the network operator to perform service transmission.

2 . The method according to claim 1 , wherein the first message is an over-the-air (OTA) message.

3 . The method according to claim 1 , wherein the succeeding in network authentication comprises:

acquiring a service number and a service password of the network operator;

initiating a call to the service number when the terminal arrives in the roaming region; and

obtaining authentication information of the virtual SIM card by utilizing the service password when the terminal arrives in the roaming region.

4 . The method according to claim 1 , wherein the first message further comprises service option information and a payment mode for the virtual SIM card, and wherein the succeeding in network authentication comprises:

selecting service option information for the virtual SIM card according to the first message; and

acquiring authentication information of the virtual SIM card by using the payment mode.

5 . The method according to claim 1 , wherein after the downloading the virtual SIM card information, the method further comprises storing the virtual SIM card information separately according to a security level of the virtual SIM card information by:

storing an authentication key and an authentication algorithm of the virtual SIM card information in a secure operating system; and

storing a remainder of the virtual SIM card information in an Encrypting File System (EFS).

6 . The method according to claim 5 , wherein after the storing the virtual SIM card information, the method further comprises:

receiving, conventional SIM card information or the virtual SIM card information as selected by a user when the terminal is in a manual selection mode; and

performing configuration according to the conventional SIM card information or the virtual SIM card information as selected by the user when the terminal is in the selection mode; and

automatically configuring a conventional SIM card or the virtual SIM card according to network access information when the terminal is configured to be in an automatic selection mode.

7 . A method for data service transmission of a roaming terminal implemented by a server of a network operator in a roaming region, the method comprising:

sending a set a first message to a roaming terminal that enters the roaming region, wherein the first message comprises identification information of a virtual subscriber identity module (SIM) card of the network operator; and

receiving a request from the roaming terminal for acquiring local virtual SIM card authentication information of the roaming region;

determining whether to provide the virtual SIM card authentication information to the roaming terminal; and

sending the virtual SIM card information to the roaming terminal when a request of the roaming terminal for downloading virtual SIM card information is received and when determining to provide the virtual SIM card authentication information to the roaming terminal.

8 . The method according to claim 7 , wherein the first message is an over-the-air (OTA) message.

9 . The method according to claim 7 , wherein before the network operator sends the first message to the roaming terminal, the method further comprises receiving a service call request initiated by the roaming terminal, wherein the service call request comprises a service number and a service password of the network operator, and wherein the determining whether to provide the virtual SIM card authentication information to the roaming terminal comprises:

determining whether the service password is valid; and

determining to provide the virtual SIM card authentication information to the roaming terminal when the service password is valid.

10 . The method according to claim 7 , wherein the first message further comprises service option information and a payment mode request for the virtual SIM card that are provided by the network operator to the roaming terminal, wherein the method further comprises receiving information about the virtual SIM card and a payment mode that are selected by the roaming terminal, and wherein the determining whether to provide the virtual SIM card authentication information to the roaming terminal comprises:

determining whether the information is valid; and

determining to provide the virtual SIM card authentication information to the roaming terminal when the information is valid.

11 .- 20 . (canceled)

21 . A terminal, comprising:

a processor; and

a memory storing instructions, which when executed by the processor, cause the terminal to:

receive a first message sent by a network operator in the roaming region when the terminal arrives in a roaming region, wherein the first message comprises identification information of a virtual subscriber identity module (SIM) card of the network operator;

succeed in network authentication of the network operator;

download virtual SIM card information according to the identification information; and

use, by utilizing the virtual SIM card, a service provided by the network operator to perform service transmission.

22 . The terminal according to claim 21 , wherein the first message is an over-the-air (OTA) message.

23 . The terminal according to claim 21 , wherein the succeeding in network authentication comprises:

acquiring a service number and a service password of the network operator;

initiating a call to the service number when the terminal arrives in the roaming region; and

obtaining authentication information of the virtual SIM card by utilizing the service password when the terminal arrives in the roaming region.

24 . The terminal according to claim 21 , wherein the first message further comprises service option information and a payment mode for the virtual SIM card provided, and wherein the succeeding in network authentication comprises:

selecting service option information for the virtual SIM card according to the first message; and

acquiring authentication information of the virtual SIM card by using the payment mode.

25 . The terminal according to claim 21 , wherein the instructions further cause the terminal to store the virtual SIM card information separately according to a security level of the virtual SIM information by:

storing an authentication key and an authentication algorithm of the virtual SIM information in a secure operating system; and

storing a remainder of the virtual SIM information in an Encrypting File System (EFS).

26 . The terminal according to claim 25 , wherein the instructions further cause the terminal to:

receive conventional SIM card information or the virtual SIM card information as selected by a user when the terminal is in a manual selection mode;

perform configuration according to the conventional SIM card information or the virtual SIM card information as selected by the user when the terminal is in a manual selection mode; and

automatically configure a conventional SIM card or the virtual SIM card according to network access information when the terminal is configured to be in an automatic selection mode.

27 . A server, comprising:

a processor; and

a memory storing instructions, which when executed by the processor, cause the server to:

send a first message to a roaming terminal that enters a roaming region, wherein the first message comprises identification information of a virtual subscriber identity module (SIM) card of a network operator in the roaming region;

receive a request from the roaming terminal for acquiring local virtual SIM card authentication information of the roaming region;

determine whether to provide the virtual SIM card authentication information to the roaming terminal; and

send the virtual SIM card information to the roaming terminal when a request of the roaming terminal for downloading virtual SIM card information is received and when determining to provide the virtual SIM card authentication to the roaming terminal.

28 . The server according to claim 27 , wherein the first message is an over-the-air (OTA) message.

29 . The server according to claim 27 , wherein the instructions further cause the server to receive a service call request initiated by the roaming terminal, wherein the service call request comprises a service number and a service password of the network operator, and wherein the determining whether to provide the virtual SIM card authentication information to the roaming terminal comprises:

determining whether the service password is valid; and

determine to provide the virtual SIM card authentication information to the roaming terminal when the service password is valid.

30 . The server according to claim 27 , wherein the first message further comprises service option information and a payment mode request for the virtual SIM card that are provided by the network operator to the roaming terminal, wherein the instructions further cause the server to receive information about the virtual SIM card and a payment mode that are selected by the roaming terminal, and wherein the determining whether to provide the virtual SIM card authentication information to the roaming terminal comprises:

determining whether the information is valid; and

determining to provide the virtual SIM card authentication information to the roaming terminal when the information is valid.