Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. Two (DSS2) Protocol; Connection Characteristics; Negotiation During Call/Connection Establishment Phase; Part 4: Abstract Test Suite (ATS) and Partial Protoco
The present document 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 [11]) of implementations conforming to the standards for the signalling user-network layer 3 specification for Negotiation during call/connection establishment phase of the Digital Subscriber Signalling System No. two (DSS2) protocol for the pan-European Broadband Integrated Services Digital Network (B-ISDN)@ EN 301 067-1 [1]. A further part of the present document specifies the Test Suite Structure and Test Purposes (TSSTP) related to this ATS and partial PIXIT proforma. Other parts specify the TSSTP and the ATS and partial PIXIT proforma for the Network side of the TB reference point or coincident SB and TB reference point of implementations conforming to EN 301 067-1 [1].