In the telecommunications network, each user must have a set of dynamic data, which is used to mark user attributes, tariffs, etc. This set of data exists on the local server. When the user is talking in a different place, the local network must be adjusted from the user's source. This set of data can be used to provide services. The network element equipment required for this retrieval process is the basic cost of roaming fees. All the construction costs of the telecommunications network must be recovered from the tariffs. Roaming due to uneven economic development in the region If the fee is canceled, all costs can only be spread to the entire network, that is, every user in the country, that is, users who do not roam need to subsidize a portion of the cost for roaming users. As a result, everyone finds that the original cheap local dialect is even more It's expensive, and the more economically underdeveloped areas, the greater the increase. This text is intended to convey:. ['Cancellation of roaming charges will lead to a general increase in the cost of calls, and the economic development in different regions will vary.', 'Cancel roaming charges, you need to think twice.', 'Principles of roaming charges in telecommunications.', 'After roaming charges are cancelled, call costs in less developed areas will increase.']