Main Glossary

Main Glossary

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SIM Application Toolkit (SAT) consists of a set of commands defined for the communication between a card and a handset with the goal to enable the (U)SIM to initiate actions which can be used for various value-added services. This enables the SIM to build up an interactive exchange between a network application and the end user.

Entry link: SAT


The Smart Card Web Server is one of the newest developments within telecommunication technologies and offers a Smart Card based mobile internet access. It is enabled by an USIM which is capable of supporting standard web technologies like HTML pages and HTTP.

Entry link: SCWS


Subscriber Identity Module (SIM) is an application on a chip card used mainly for authentication purposes based on secret numbers as IMSI and Ki and special algorithms to enable the identification of a mobile phone user within the GSM-network. The access/use is protected by a PIN.

As the SIM is the dominating application on this types of Smart Cards, the card (hardware) itself is often named SIM too.

Entry link: SIM

Smart Card

A smart card, a chip card or integrated circuit card (ICC) is the general term for a card which contains one or more semiconductor chips. A chip card may be in the form of a memory card or a microprocessor card.

Entry link: Smart Card

Smart Card Reader

A smart card reader is a device plugged to a computer that allows to send commands to a smart card.

Entry link: Smart Card Reader


The Single Wire Protocol (SWP, ETSI TS 102 613) is used as direct interface between the mobile phone's Contactless Front-end (CLF) and the mobile phone's (U)SIM card.

Entry link: SWP