What Is a Short Message Service Center?

The information center number is a type of short message server. If you fill it in incorrectly, the short message cannot be sent successfully. Each region has its own information center number. You can ask the local network operator for the specific number.

This article introduces the research background, transmission principles, and some of the considerations and standards in the standard compilation process issued by the Ministry of Information Industry. ^[1]

Based on the background that the SMS center authentication number segment files of different manufacturers in the communication industry cannot be effectively verified, an automatic verification software for the SMS center authentication number segment is designed and developed. By using the automatic verification software of the authentication number segment, it can completely change the low verification accuracy and slow verification speed in daily maintenance and centralized verification work. The inspectors must be familiar with the status quo of the requirements of different manufacturers' configuration files, which greatly improves the network management of telecommunications operators Staff productivity. ^[2]

Information center number SMS data center office data verification ideas

According to the function division of the operator's short message center, each province's MO SMS center usually configures the province's intranet user number segment (the provinces with large services also divide the cities and cities), so according to the situation of each province, each MO SMS The center configures up to all intranet numbers in the province. Therefore, as long as the number segment list corresponding to the data can be extracted from the standard office data of the headquarters and compared with the authentication number segment data information derived from the current network, the difference between the two can be obtained.

The number segments normally assigned to the provincial level are all million segments, and because of the large number of segment numbers, the distribution is completely irregular; the number segments allocated by provinces to cities are even more complex, and even subdivided into the thousand segment. Although it is only to check the number segment data of the SMS center, but because the configuration format of the SMS center of each manufacturer is different, if you need to check the number segment data of each manufacturer, you must extract the number segment and type from the configuration of the SMS center system of each province The important information such as belonging to the city is checked with the number segment information of the corresponding province in the standard number segment file issued by the headquarters to find the discrepancy between the two. ^[2]

Information center number setting method

Mobile phone operating system is divided into Android phone, Apple phone, different operating systems, SMS center numbers are set in different ways.

How to set up an Android phone

Go to Settings-Information-Advanced-SMS center number, enter and save the correct SMS center number.

How to set up an iPhone

Setting method: Dial * 5005 * 7672 * + 86 "SIM card home SMS center number" with iPhone #

Query method: Dial * # 5005 * 7672 # with iPhone

How to delete: Dial ## 5005 * 7672 # with iPhone

Note: The set SMS center number is generally similar to the mobile phone number added after +86. When setting the SMS center number, delete the SMS center number and set it again. ^[2]

Information Center Number Frequently Asked Questions

How to set + set the short message service center number?

Answer: Before sending a short message, please set the local operator's short message center number in the information setting menu of your mobile phone, and then press Edit-> Send and other procedures in the information menu of the mobile phone. The code of China Unicom's short message service center is: +8613010 ??? 500, where ??? is your local Unicom area code, and the number of China Mobile's short message service center is: +861380 ??? * 500, where ??? is for you Local area code. If the area code has three digits, the * number is 0, otherwise * = ?.

Does the SMS center number need to be changed after the mobile phone roams to other places?

Answer: No modification is required. You can exchange 00 and + before the short message service center number according to the local system conditions. ^[2]