SIM

GSM Glossary

GSM — SIM

 

 

 

 

 

 

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Information on GSM SIM

GSM mobile phones acquire their personality from a smart card known as the SIM . All the access rights (including identification for billing) are based on the SIM , rather than the mobile phone itself. A SIM may be moved from one phone to another.
     The SIM provides:

  • the international mobile subscriber identify (IMSI) ,
  • security functions, including authentication and key exchange, and
  • storage, for features such as frequently-used numbers.


    • Other topics in our resources on GSM related to SIM include: 
     
  • international mobile subscriber identity (IMSI)
  • GSM authentication
    		•
  • GSM encryption
    		•
  • PIN (Personal Identification Number)

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