Integrated Services Digital Network (ISDN);Telephony 7 kHz and videotelephony teleservices;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsed by Asociación Espanola de Normalización in May of 2022.)
NORM herausgegeben am 1.5.2022
Designation standards: UNE-ETS 300267-3ED1
Publication date standards: 1.5.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE