In GSM networks, the SIM Application Toolkit is defined by the GSM 11.14 standard released in 2001. It enables you to validate system behavior by executing, animating, and debugging models of a system in the context of realistic mock-ups of the intended user interface. These services are provided by your service provider, For example, if you use a T-mobile SIM card, the SIM Toolkit app will let you use only services provided by T-mobile. Cameo Simulation Toolkit provides the first in an industry extendable model execution framework based on OMG fUML and W3C SCXML standards.
SIM TOOLKIT ANDROID
Designed as a single application environment, the STK can be started during the initial power up of the SIM card and is especially suited to low level applications with simple user interfaces. SIM Toolkit (commonly referred to as STK) is an Android app that provides services like Hello tunes, Astrology, News, Jokes, etc. STK has been deployed by many mobile operators around the world for many applications, often where a menu-based approach is required, such as Mobile Banking and content browsing. The SIM also gives commands to the handset such as displaying menus and/or asking for user input. This enables the SIM to build up an interactive exchange between a network application and the end user and access, or control access to, the network. The SIM Application Toolkit consists of a set of commands programmed into the SIM which define how the SIM should interact directly with the outside world and initiates commands independently of the handset and the network.
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