What is a "Imsi"? The Most Authoritative Explanation.

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What is a "Imsi"? The Most Authoritative Explanation.

What is IMSI code?

Every modern smartphone that uses a SIM card has some unique numbers that identify users and mobile operators. While your phone registers to the mobile network it sends its unique code called IMSI. This code is used to identify you as network subscriber. What is this number for? Why do you need to know it? How IMSI differs from TMSI?

How does the IMSI work?

The second part is allocated by the network operator to uniquely identify the subscriber. The IMSI is stored in the Subscriber Identity Module (SIM) inside the phone and is sent by the phone to the appropriate network. The IMSI is used to acquire the details of the mobile in the Home Location Register (HLR) or the Visitor Location Register (VLR).

What is an international mobile subscriber identity (IMSI)?

An International Mobile Subscriber Identity (IMSI) is a unique number associated with all Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS) network mobile phone users used for identifying a GSM subscriber.

What are the three components of IMSI?

The three components within IMSI are mobile country code, mobile network code and mobile subscriber identification number. The mobile country code of IMSI has a similar meaning and format to the location area identifier.


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