https://community.sinch.com/t5/Glossary/SIM/ta-p/7713 <DIV class="lia-message-template-content-zone"> <P>Subscriber Identity Module (SIM) is a removable smart card for mobile phones. SIM cards securely store the service-subscriber key (IMSI) used to identify a GSM subscriber. The SIM card allows users to change phones by simply removing the SIM card from one mobile phone and inserting it into another mobile phone.</P> <P>&nbsp;</P> <P>The traditional SIM card issued by a mobile operator contains a single IMSI for the issuing operator. The IMSI is then used to authorize access to mobile networks, whether the home network or another network the device has roamed.</P> <P>&nbsp;</P> <P>A SIM card can typically contain, the telephone number of the subscriber, encoded network identification details, the PIN and other user data such as the phone book. A user's SIM card can be moved from phone to phone as it contains all the key information required to activate the phone.</P> </DIV> Fri, 04 Jun 2021 11:55:43 GMT Shahzad_Ismail 2021-06-04T11:55:43Z https://community.sinch.com/t5/Glossary/SIM/ta-p/7713 <DIV class="lia-message-template-content-zone"> <P>Subscriber Identity Module (SIM) is a removable smart card for mobile phones. SIM cards securely store the service-subscriber key (IMSI) used to identify a GSM subscriber. The SIM card allows users to change phones by simply removing the SIM card from one mobile phone and inserting it into another mobile phone.</P> <P>&nbsp;</P> <P>The traditional SIM card issued by a mobile operator contains a single IMSI for the issuing operator. The IMSI is then used to authorize access to mobile networks, whether the home network or another network the device has roamed.</P> <P>&nbsp;</P> <P>A SIM card can typically contain, the telephone number of the subscriber, encoded network identification details, the PIN and other user data such as the phone book. A user's SIM card can be moved from phone to phone as it contains all the key information required to activate the phone.</P> </DIV> Fri, 04 Jun 2021 11:55:43 GMT https://community.sinch.com/t5/Glossary/SIM/ta-p/7713 Shahzad_Ismail 2021-06-04T11:55:43Z