1 Scope

31.1123GPPRelease 8TSUniversal Subscriber Identity Module Application Toolkit (USAT) interpreter architecture description

The present document defines the stage 2 description for the USAT Interpreter system. As the second stage of a three-level structure, it is derived from the stage 1 service description.

The present document defines the overall architecture for the USAT Interpreter system:

 Role models;

 System architecture;

 Function and information flow.

The stage 3 documents shall conform to the present document.