UNE-EN 301070-4V1.1.2

Integrated Services Digital Network (ISDN);Signalling System No.7 (SS7);ISDN User Part (ISUP) version 3 interactions with the Intelligent Network Application Part (INAP);Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsed by Asociación Espanola de Normalización in September of 2021.)