ETSI EN 301 483-1
ETSI EN 301 483-1
Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Advice of Charge (AoC) supplementary services [ISO/IEC 15049 (1997), modified]; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification
standard published 09/01/2000 by European Telecommunications Standards Institute