UNE-EN 301492-2V1.2.1

Private Integrated Services network (PISN);Inter-exchange signalling protocol;Cordless terminal authentication supplementary services;Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the VPN b" service entry point" (Endorsed by Asociación Espanola de Normalización in December of 2021.)