This fourth part of ETS 300 771 specifies the user Abstract Test Suite (ATS) for the TB reference point or coincident SB and TB reference point (as defined in ITU-T Recommendation I.413 [10]) of implementations conforming to the standards for the signalling user-network layer 3 specification for point-to-multipoint call/connection control of the Digital Subscriber Signalling System No. two (DSS2) protocol for the pan-European Broadband Integrated Services Digital Network (B-ISDN), ETS 300 771-1 [1].
PUBLISHED
SSH ETS 300 771-4:1998 ed.1
60.60
Standard published
May 22, 2025