Quick definition: IMSI stands for International Mobile Subscriber Identity. It’s a unique number that Mobile Network Operators (MNOs) use to recognize individual subscribers, and it’s a key component of a Subscriber Identity Module (SIM) profile.
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What Is an ICCID Number?
Mobile Network Operators (MNOs) use ICCID numbers to determine which network to connect a subscriber to. Unlike an IMEI number, which refers to the mobile device, an ICCID number refers to the SIM card itself. Since each SIM card has a unique ICCID, you may sometimes hear it called the SIM card number.
Remote SIM Provisioning: Change SIM Profiles Over-the-Air
While remote SIM provisioning has been widely adopted for use in cell phones, in the Internet of Things (IoT), adoption has lagged behind.
What Is an MSISDN?
The abbreviation MSISDN is a little ambiguous. Major telecommunications organizations and standardization bodies have slightly different terms with this same abbreviation, but they all represent the same thing. Depending on the source and context, MSISDN can stand for: