What is a "International Mobile Subscriber Identity (imsi)"? The Most Authoritative Explanation.

What is a "International Mobile Subscriber Identity (imsi)"? The Most Authoritative Explanation.

What is the International Mobile Subscriber Identity?

The international mobile subscriber identity ( IMSI) / ˈɪmziː / is a number that uniquely identifies every user of a cellular network. It is stored as a 64-bit field and is sent by the mobile device to the network.

What is IMSI number?

What Is IMSI Number IMSI stands for International Mobile Subscriber Identity. The telecom company assigns a unique number assigned to the SIM card that they issue to their subscribers. The IMSI numbers are 15 digits long (not always though) and can be used to find the subscriber’s country and mobile network, among other SIM-related details.

What are the different types of IMSI?

Numerous networks, including GSM, CDMA, and EVDO, are possible. The phone or the R-UIM card is immediately activated when provisioned in a phone (for example, through an SMS message). IMSI stands for International Mobile Subscriber Identity and is made up of three components: the MCC, MNC, and MSIN.

What is the mobile subscription identification number (MSIN)?

The remaining digits are the mobile subscription identification number (MSIN) within the network's customer base, usually 9 to 10 digits long, depending on the length of the MNC. The IMSI conforms to the ITU E.212 numbering standard.

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