What is the charge for GSM international roaming?

The charging standard of GSM international roaming varies from country to country. In international roaming service, there are two main parts that users need to pay. The first part is the fees stipulated in the international roaming service agreement signed with the user's domestic mobile communication operator, which usually includes basic monthly fee, international roaming call fee, SMS fee, data traffic fee, etc. The second part is about the fees generated by users using foreign communication networks when roaming internationally, which are collected by foreign communication network operators, usually according to the user's usage, including voice calls, short messages and mobile data.

Take GSM of China Mobile as an example. According to different countries and regions, international roaming charges range from 0.99 yuan to 2.99 yuan per minute for voice calls and 0.39 yuan to 0.99 yuan for short messages. Data traffic charges are charged according to packages and usage. In the United States, Canada, Australia and other developed countries, the cost of international roaming is usually high; In some Southeast Asia, Africa and other regions, the cost of international roaming is relatively low.

It is worth noting that when users use mobile communication services abroad, they should use them carefully and check the fees at any time to avoid high fees due to excessive use. At the same time, users can reduce the cost of international roaming by choosing suitable packages, renting or buying local calling cards, using WiFi networks and other channels.