The present document provides the Abstract Test Suite (ATS) and partial Protocol Implementation extra Information
for Testing (PIXIT) proforma for the Prenegotiation protocol as specified in EN 302 091-1 [1].
This fourth part of EN 302 091 [1] is applicable to the Prenegotiation protocol at the QB, SB, TB and co-incident SB/TB
reference point of implementations conforming to the standards for the Digital Subscriber Signalling System No. two
(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).
A further part of the present document specifies the Test Suite Structure and Test Purposes (TSS&TP) related to this
ATS and partial PIXIT proforma.