Roaming method and device

Abstract

This application provides a roaming method and device. When the client detects that a smart card for providing roaming services is inserted into a mobile terminal, it writes user roaming data into the smart card. The user roaming data includes the time limit for the smart card to provide roaming services. The smart card provides The time limit of the roaming service can represent the total duration of the roaming service provided by the smart card. When the roaming service needs to be used, the mobile terminal activates the smart card written with the roaming data of the user so that the smart card starts to provide the roaming service, and sends the current time to the smart card. After the terminal activates the smart card, it sends an authentication instruction to the smart card every preset time, and the smart card determines the remaining time it can provide roaming service after receiving the authentication instruction each time, and when the remaining time is less than or equal to the preset value , no longer provide roaming service. The application can provide users with roaming services conveniently and simply, with preferential prices and better user experience.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a roaming method and device. Background technique [0002] Roaming (Roaming) refers to the situation where a user leaves the coverage area of ​​the operator's network and continues to enjoy telecommunication services in the network coverage area of ​​another operator. According to the roaming service area, roaming can be divided into domestic roaming and international roaming. With the development of the economy and international exchanges, the number of outbound tourists has increased rapidly, and international roaming applications have become more and more common. [0003] Outbound travel has become the most popular way of travel in my country. Different from domestic roaming, outbound travel makes outbound customers inevitably encounter various network communication problems. At present, the following three methods are basically used for outbound roaming: open...

AI Technical Summary

Problems solved by technology

[0004] However, the above three solutions are inconvenient to a certain extent: for the opening of international roaming, although the three major operators have repeatedly adjusted the price of international roaming, the international roaming charges are still relatively high; for wifi leasing, recently This method is more popular, but for users, an additional power-consuming device is added, and the network speed will automatically drop to 2G network after a period of use, and the user experience is poor; while purchasing a local telecom card, this solution is a Good choice, but users need to consider whether the network standard is available, otherwise it may not be available after leaving the country

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