EN 301 452-2 : 1.4.1

PRIVATE INTEGRATED SERVICES NETWORK (PISN); INTER-EXCHANGE SIGNALLING PROTOCOL; CALL COMPLETION SUPPLEMENTARY SERVICES FOR THE VPN "B" SERVICE ENTRY POINT; PART 2: ABSTRACT TEST SUITE(ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA

European Telecommunications Standards Institute