EN 300 286-6 : 1.4.1

INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-TO-USER SIGNALLING (UUS) SUPPLEMENTARY SERVICE; 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