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Glossary

Glossary
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Understanding the Mobile World

The intertwining of telecom, banking, and M2M/IoT produce a new degree of complexity. We hope our COMPRION glossary helps you to get a good overview of all the connected terms, technologies, and concepts.

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Another word for the smart card used in mobile terminals in GSM and UMTS networks. The UICC ensures the integrity and security of all kinds of personal data. In a GSM network, the UICC contains a SIM application and in a UMTS network it is the USIM application. In a CDMA network, the UICC contains a CSIM application, in addition to 3GPP USIM and SIM applications. A card with all three features is called R-UIM. Thus, the R-UIM card can be inserted into CDMA, GSM, or UMTS handsets, and will work in all three cases.

Several applications (SIM, USIM, CSIM, etc.) make it possible to Access several networks with the same card.

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A third-generation mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP, UMTS is a component of the International Telecommunications Union IMT-2000 standard set and compares with the CDMA 2000 standard set for networks based on the competing cdmaOne/CDMA One technology. UMTS uses W-CDMA radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators.

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A container for subscriber information, UMTS authentication information, and storage space for text messages and phone book contacts.

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