EN 301 483-2 : 1.2.1

PRIVATE INTEGRATED SERVICES NETWORK (PISN); SPECIFICATION, FUNCTIONAL MODELS AND INFORMATION FLOWS; ADVICE OF CHARGE (AOC) SUPPLEMENTARY SERVICES [ISO/IEC 15049 (1997), MODIFIED]; PART 2: ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA

European Telecommunications Standards Institute