What is the number of China Unicom SMS service center?

The number varies from province to city. You can call Unicom at 100 10. For China Unicom, the number of SMS center starts with +86 130 10, followed by three digits, which is the serial number of SMS center assigned by provincial branches, and finally it is generally 500.

Function introduction of authentication number segment verification software in SMS center

Based on the background that authentication number files of SMS centers of different manufacturers in communication industry can not be effectively verified, an automatic verification software for authentication number files of SMS centers is designed and developed.

By using the automatic verification software of authentication number segment, the status quo of low accuracy and slow speed in routine maintenance and centralized verification can be completely changed, and inspectors must be familiar with the configuration file requirements of different manufacturers, which greatly improves the work efficiency of telecom operators' network management.

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For China Mobile, the number of SMS center starts with +86 1380, followed by a four-digit area code (telephone area code), such as 057 1 (Hangzhou), and finally it is generally 500. For areas with an area code less than four digits, the area code should be supplemented by 0 in the fourth digit, such as Beijing 0 100.

Requirements for displaying calling numbers to users

In order to determine the format of the calling number transmitted between networks, the format of the calling number displayed to the called user must be made clear first, so as to ensure that the number transmitted between networks has the smallest modification as possible, and that the number displayed to users is easy to identify, which is convenient for users to dial back, and does not violate the above-mentioned principle of number transmission.

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