Digital Cellular Telecommunications System (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); USAT Interpreter Architecture Description; Stage 2 (3GPP TS 31.112 Version 5.1.0 Release 5)
The present document defines the stage 2 description for the USAT Interpreter system. As the second stage of a threelevel 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.