scope:

The present document specifies the Test Suite Structure and Test Purposes (TSS&T P) for the QB,SB,TB and co-incident SB/TB reference point (as defined in ITU-T Recommendation I.413 [5]) of implementations conforming to the standards for the Digital Subscriber Signalling System No. 2 (DSS2), Broadband Inter-Exchange Signalling (B-QSIG), and Signalling System No. 7 (SS7) protocol specification for Broadband Integrated Services Digital Network (B-ISDN) and Broadband Private Integrated Services Network (B-PISN) Prenegotiation, EN 302 091-1 [1]. A further part of the present document specifies the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma based on the present document.