Difference between revisions of "Glossary:International Mobile Subscriber Identity (IMSI)" English (en) français (fr)

From ESSnet Big Data
Jump to: navigation, search
(lang_page)
 
 
(4 intermediate revisions by 2 users not shown)
Line 1: Line 1:
 +
The '''International Mobile Subscriber Identity''', abbreviated as '''IMSI''', is the internationally standardised unique number to identify a mobile subscriber, as defined in ITU-T Recommendation E.212.
  
 +
The IMSI consists of:
 +
 +
*a [[Glossary:Mobile_Country_Code_(MCC)|Mobile Country Code (MCC)]] identifying the country;
 +
*a [[Glossary:Mobile_Network_Code_(MNC)|Mobile Network Code (MNC)]] identifying the [[Glossary:Mobile_network_operator_(MNO)|mobile network operator (MNO)]];
 +
*a '''Mobile Station Identification Number (MSIN)''' identifying a device (via the [[Glossary:SIM_card|SIM card]]).
 +
 +
When dealing with devices in a single country, the MCC can be dropped out and the combination of the MNC and the MSIN, which is a 9-digit code identifying the subscriber, is usually referred to as the '''National Mobile Subscriber Identity (NMSI)'''.
 +
 +
As long as a subscriber has not changed his SIM card, the IMSI will remain the same even when switching mobile device.
 +
 +
== Related concepts ==
 +
 +
*[[Glossary:Subscriber_Identity_Module_(SIM)|Subscriber Identity Module (SIM)]]
 +
*[[Glossary:User pseudonym|User pseudonym]]
 +
[[Category:Glossary|International Mobile Subscriber Identity (IMSI)]] [[Category:Mobile network data glossary|International Mobile Subscriber Identity (IMSI)]]

Latest revision as of 16:31, 11 June 2020

The International Mobile Subscriber Identity, abbreviated as IMSI, is the internationally standardised unique number to identify a mobile subscriber, as defined in ITU-T Recommendation E.212.

The IMSI consists of:

When dealing with devices in a single country, the MCC can be dropped out and the combination of the MNC and the MSIN, which is a 9-digit code identifying the subscriber, is usually referred to as the National Mobile Subscriber Identity (NMSI).

As long as a subscriber has not changed his SIM card, the IMSI will remain the same even when switching mobile device.

Related concepts