Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Diversion supplementary services [ISO/IEC 13873 (1995) modified];Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsed by Asociación Espanola de Normalización in November of 2021.)
NORMA vydaná dňa 1.11.2021
Designation standards: UNE-EN 301453-1V1.1.2
Publication date standards: 1.11.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE