EN 301 001-6 : 1.1.4

INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - OUTGOING CALL BARRING (OCB) SUPPLEMENTARY SERVICES - DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO.ONE (DSS1) PROTOCOL - PART 6: ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA SPECIFICATION FOR THE NETWORK

European Telecommunications Standards Institute