EN 301 217-4 : 1.1.1

V INTERFACES AT THE DIGITAL SERVICE NODE (SN); INTERFACES AT THE VB5.2 REFERENCE POINT FOR THE SUPPORT OF BROADBAND OR COMBINED NARROWBAND AND BROADBAND ACCESS NETWORKS (ANS); PART 4: ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT)

European Telecommunications Standards Institute